Pest Control for Home: Identify, prevent & control any home pest — honestly.
Pest Identifier · Field Guide

What pest are you dealing with?

Type what you see — a name, a description like “tiny brown bug”, or a sign like “droppings” — and we’ll find the match. Every profile covers identification, habitat, breeding, diet, signs, prevention, health & safety and control.

Setting
Type
Risk

303 pests in the field guide

Low risk Small acrobat ant raising its heart-shaped abdomen over its body on a piece of wood
Insect Home

Acrobat Ant

Crematogaster spp.

Acrobat ants (Crematogaster species) are small light-brown to black ants named for raising their heart-shaped abdomen …

Low risk Green and black dog-day cicada with clear wings resting on a leaf in late summer
Insect Home

Annual Cicada

Neotibicen spp.

Annual or dog-day cicadas (Neotibicen species) are large green-and-black insects that appear every summer across the U…

Low risk A wide trail of small light-brown Argentine ants streaming along a kitchen baseboard
Insect Home

Argentine Ant

Linepithema humile

The Argentine ant (Linepithema humile) is a small light-to-dark brown ant that forms enormous supercolonies with many …

Low risk Small greenish aster leafhopper with dark spots on its head resting on a carrot leaf
Insect Farm

Aster Leafhopper

Macrosteles quadrilineatus

The aster leafhopper (Macrosteles quadrilineatus) is a small green, wedge-shaped insect that sucks plant sap and, more…

Low risk Tiny azalea lace bug with clear lacy wings on the underside of an azalea leaf with stippled upper surface
Insect Home

Azalea Lace Bug

Stephanitis pyrioides

The azalea lace bug (Stephanitis pyrioides) is a tiny insect with clear, lacy wings that feeds on the underside of aza…

Low risk Spindle-shaped bagworm case covered in bits of evergreen needles hanging from an arborvitae branch
Insect Home

Bagworm

Thyridopteryx ephemeraeformis

The bagworm (Thyridopteryx ephemeraeformis) is a moth caterpillar that builds and lives inside a spindle-shaped bag wo…

Moderate risk Flat oval reddish-brown bat bug, nearly identical to a bed bug, on a light surface
Insect Home

Bat Bug

Cimex adjunctus

The bat bug (Cimex species) is a small, flat, reddish-brown insect nearly identical to the bed bug that normally feeds…

Low risk Small oval mottled gray-brown bean weevil on dried beans with tiny round exit holes
Insect CommercialHome

Bean Weevil

Acanthoscelides obtectus

The bean weevil (Acanthoscelides obtectus) is a small, oval, mottled gray-brown seed beetle whose short snout sets it …

Moderate risk Flat, reddish-brown, apple-seed-sized bed bug on the seam of a white mattress
Insect HomeCommercial

Bed Bug

Cimex lectularius

Bed bugs (Cimex lectularius) are small, flat, reddish-brown insects about the size of an apple seed that feed on human…

Low risk Smooth green beet armyworm caterpillar with pale side stripes on a chewed vegetable leaf
Insect Farm

Beet Armyworm

Spodoptera exigua

The beet armyworm (Spodoptera exigua) is a smooth green caterpillar with pale side stripes that feeds on a wide range …

Low risk Small pale greenish wedge-shaped beet leafhopper on a beet leaf in bright sun
Insect Farm

Beet Leafhopper

Circulifer tenellus

The beet leafhopper (Circulifer tenellus) is a small, pale, wedge-shaped insect of the arid western US that hops and f…

Low risk Dark gray billbug weevil with a long snout on a concrete surface beside grass
Insect HomeFarm

Billbug

Sphenophorus spp.

Billbugs are small weevils with a long snout whose white, legless grubs feed inside grass stems and on roots. Damaged …

Low risk Extremely small pale bird mite on white skin near a feather
Arachnid Home

Bird Mite

Dermanyssus gallinae / Ornithonyssus spp.

Bird mites (Dermanyssus gallinae and Ornithonyssus species) are nearly microscopic parasites of birds. When nestlings …

Low risk Extremely small biting midge with patterned wings on human skin
Insect Home

Biting Midge

Culicoides spp. (Ceratopogonidae)

Biting midges (Culicoides species), often called no-see-ums or sand flies, are gnat-sized flies with a painful, itchy …

Low risk Small dark humpbacked black fly with short legs on a green leaf
Insect HomeFarm

Black Fly

Simulium spp. (Simuliidae)

Black flies (family Simuliidae) are tiny, humpbacked biting flies also called buffalo gnats. Females bite around the h…

Low risk Shiny metallic green blow fly with red eyes resting on a leaf
Insect HomeCommercial

Blow Fly

Calliphoridae (Lucilia, Calliphora spp.)

Blow flies (family Calliphoridae) are metallic blue, green, or bronze flies slightly larger than a house fly. Attracte…

Moderate risk Pale body louse on the seam of a piece of clothing next to fabric fibers
Insect Home

Body Louse

Pediculus humanus humanus

The body louse (Pediculus humanus humanus) lives and lays eggs in the seams of clothing and bedding, moving to the ski…

Low risk Small gray-brown boll weevil with a long curved snout on a cotton boll
Insect Farm

Boll Weevil

Anthonomus grandis

The boll weevil (Anthonomus grandis) is a small gray-brown weevil with a long snout that attacks cotton, feeding on an…

Low risk Green box tree moth caterpillar with black stripes feeding on a boxwood shrub laced with webbing
Insect Home

Box Tree Moth

Cydalima perspectalis

The box tree moth (Cydalima perspectalis) is an invasive pest whose green, black-striped caterpillars feed only on box…

Low risk Black boxelder bug with three orange-red stripes and red-edged wings on a sunny wall
Insect Home

Boxelder Bug

Boisea trivittata

The boxelder bug (Boisea trivittata) is a black, elongated bug with three orange-red stripes behind its head and red-e…

Low risk Large fuzzy black and yellow bumblebee gathering nectar from a purple flower
Insect Home

Bumblebee

Bombus spp.

Bumblebees (Bombus species) are large, round, fuzzy black-and-yellow bees and important native pollinators. They nest …

Low risk Gray-green cabbage aphids with a waxy powdery coating clustered on a cabbage leaf
Insect Farm

Cabbage Aphid

Brevicoryne brassicae

The cabbage aphid (Brevicoryne brassicae) is a small gray-green aphid coated in waxy powder that infests cole crops li…

Low risk Green cabbage looper caterpillar arching its body in a loop on a cabbage leaf
Insect Farm

Cabbage Looper

Trichoplusia ni

The cabbage looper (Trichoplusia ni) is a smooth green caterpillar that arches its body into a loop as it crawls. It c…

Low risk Humpbacked, wingless camel cricket with long legs on a damp basement wall
Insect Home

Camel Cricket

Ceuthophilus spp.

Camel crickets (Ceuthophilus species) are humpbacked, wingless crickets with long legs and antennae that jump when sta…

Low risk Green cankerworm inchworm looping along a tree leaf it has chewed full of holes
Insect Home

Cankerworm

Alsophila pometaria (fall); Paleacrita vernata (spring)

Cankerworms are the looping inchworm caterpillars of two native moths, the fall cankerworm (Alsophila pometaria) and s…

Low risk Large carpenter bee with a shiny black abdomen at a round hole bored into a wooden fascia board
Insect Home

Carpenter Bee

Xylocopa virginica

Carpenter bees (Xylocopa species) are large, robust bees that look like bumblebees but have a shiny, hairless black ab…

Moderate risk Close-up of a dark reddish-brown cat flea, a flattened wingless insect, in pet fur
Insect Home

Cat Flea

Ctenocephalides felis

The cat flea (Ctenocephalides felis) is the tiny, reddish-brown, wingless insect behind most flea problems on US cats …

Low risk Pale long-legged cellar spider hanging in a loose tangled web in a basement corner
Arachnid Home

Cellar Spider

Family Pholcidae

Cellar spiders (family Pholcidae), often called daddy long-legs spiders, are pale spiders with tiny bodies and very lo…

Low risk Macro close-up of a tiny bright red chigger mite on a blade of grass in a field
Arachnid HomeFarm

Chigger

Eutrombicula alfreddugesi

Chiggers are the tiny larvae of harvest mites (Eutrombicula alfreddugesi) found in grassy, brushy, and wooded areas. T…

Low risk Tiny black chinch bug with folded white wings at the base of browning lawn grass
Insect HomeFarm

Chinch Bug

Blissus spp.

Chinch bugs (Blissus species) are tiny black-and-white insects that suck sap from grasses, injecting a toxin that brow…

Low risk Tiny reddish-brown hump-backed cigarette beetle on spilled dried spice
Insect HomeCommercial

Cigarette Beetle

Lasioderma serricorne

The cigarette beetle (Lasioderma serricorne) is a tiny, reddish-brown, hump-backed beetle that infests stored tobacco …

Low risk Elongate brown click beetle on a wooden surface
Insect Home

Click Beetle

Family Elateridae

Click beetles (family Elateridae) are elongate, hard-bodied brown or black beetles famous for the clicking snap they u…

Low risk Tiny reddish-brown clover mite with long front legs crawling on a white windowsill
Arachnid Home

Clover Mite

Bryobia praetiosa

Clover mites (Bryobia praetiosa) are tiny reddish-brown plant-feeding mites that invade homes in large numbers during …

Low risk Sluggish dark-gray cluster fly with golden thorax hairs on a sunny window frame
Insect Home

Cluster Fly

Pollenia spp.

The cluster fly (Pollenia species) is a sluggish, dark-gray fly slightly larger than a house fly, with golden hairs on…

Low risk Gray codling moth with coppery wingtip patches beside an apple with a larval tunnel
Insect Farm

Codling Moth

Cydia pomonella

The codling moth (Cydia pomonella) is a small gray moth with a coppery patch at each wingtip and the classic 'worm in …

Low risk Small yellow-brown common house spider on a tangled cobweb in a ceiling corner
Arachnid HomeCommercial

Common House Spider

Parasteatoda tepidariorum

The common house spider (Parasteatoda tepidariorum) is a small yellow-brown spider that builds messy, tangled cobwebs …

High risk Copper-colored copperhead snake with dark hourglass crossbands coiled in leaf litter
Reptile Home

Copperhead

Agkistrodon contortrix

The copperhead (Agkistrodon contortrix) is a venomous pit viper with a coppery head and dark, hourglass-shaped crossba…

Low risk Striped corn earworm caterpillar feeding on kernels at the tip of a corn ear
Insect Farm

Corn Earworm

Helicoverpa zea

The corn earworm (Helicoverpa zea) is a striped caterpillar that is one of the most damaging US crop pests. The larva …

Low risk Yellow-green striped western corn rootworm beetle on a corn silk tassel
Insect Farm

Corn Rootworm

Diabrotica spp.

Corn rootworms (Diabrotica species) are among the costliest US corn pests, often called the 'billion-dollar bug.' The …

High risk Grizzled gray-brown hispid cotton rat in dense grass at a field edge
Rodent Farm

Cotton Rat

Sigmodon hispidus

The hispid cotton rat (Sigmodon hispidus) is a stocky, coarse-furred rodent of the southern US, grizzled gray-brown ab…

Moderate risk Grayish-brown coyote with pointed ears and a bushy tail standing in a field at dawn
Wildlife FarmWildlife

Coyote

Canis latrans

The coyote (Canis latrans) is an adaptable, dog-like wild canid, grayish-brown with pointed ears and a bushy, low-hang…

Low risk Large slender crane fly with extremely long legs resting on a window screen
Insect Home

Crane Fly

Tipula spp. (Tipulidae)

Crane flies (family Tipulidae) are large, slow, long-legged insects that look like giant mosquitoes but do not bite or…

Low risk Plump gray-brown cutworm curled into a C shape in garden soil beside a cut seedling
Insect Farm

Cutworm

Noctuidae (Agrotis spp. and others)

Cutworms are plump, gray-brown caterpillars, the larvae of night-flying moths, that hide in soil by day and cut down y…

Low risk Distorted, curled new leaves and stunted flower buds on an African violet damaged by cyclamen mites
Arachnid HomeFarm

Cyclamen Mite

Phytonemus pallidus

The cyclamen mite (Phytonemus pallidus) is a microscopic mite that infests strawberries, cyclamen, African violets, an…

Moderate risk Deer fly with patterned wings and bright green eyes resting on a leaf
Insect HomeFarm

Deer Fly

Chrysops spp. (Tabanidae)

Deer flies (Chrysops species) are medium-sized biting flies with patterned wings and bright eyes. Females deliver a pa…

High risk Brown deer mouse with large eyes, white belly, and two-toned tail on a wooden shed floor
Rodent HomeFarm

Deer Mouse

Peromyscus maniculatus

The deer mouse (Peromyscus maniculatus) is a small, big-eyed rodent with brown fur and a sharply two-toned white belly…

Moderate risk Tiny reddish-brown dog flea with a flattened body in an animal's fur
Insect Home

Dog Flea

Ctenocephalides canis

The dog flea (Ctenocephalides canis) is a tiny, wingless, reddish-brown insect that jumps onto dogs and other mammals …

Low risk Tiny fuzzy moth-like drain fly with heart-shaped wings resting on a bathroom sink
Insect HomeCommercial

Drain Fly

Clogmia and Psychoda spp.

The drain fly (family Psychodidae) is a tiny, fuzzy, moth-like fly, also called a moth fly or sewer fly, that breeds i…

Low risk Tiny reddish-brown hump-backed drugstore beetle on grains of flour
Insect HomeCommercial

Drugstore Beetle

Stegobium paniceum

The drugstore beetle (Stegobium paniceum) is a tiny, reddish-brown, hump-backed beetle that eats an exceptionally wide…

Low risk Gray eastern mole with large spade-like front feet and pointed snout on turned soil
Wildlife Home

Eastern Mole

Scalopus aquaticus

The eastern mole (Scalopus aquaticus) is a small, burrowing insectivore, not a rodent, with velvety gray fur, huge pad…

Low risk Yellow-green elm leaf beetle with black side stripes on a skeletonized elm leaf
Insect Home

Elm Leaf Beetle

Xanthogaleruca luteola

The elm leaf beetle (Xanthogaleruca luteola) is a small yellow-green beetle with a black stripe along each wing cover.…

Low risk Dark brownish-black elm seed bug with rusty-red markings on a windowsill indoors
Insect Home

Elm Seed Bug

Arocatus melanocephalus

The elm seed bug (Arocatus melanocephalus) is a dark, rusty-marked true bug from Europe that invades homes in summer, …

Low risk White male and brown female euonymus scales encrusting the stems and leaves of a euonymus shrub
Insect Home

Euonymus Scale

Unaspis euonymi

Euonymus scale (Unaspis euonymi) is an armored scale that heavily infests euonymus, pachysandra, and holly. The female…

Low risk Reddish-brown European earwig with prominent rear pincers on a damp garden leaf
Insect Home

European Earwig

Forficula auricularia

The European earwig (Forficula auricularia) is a slender, reddish-brown insect easily recognized by the pincer-like fo…

Low risk Face flies gathered around the eyes and nose of a cow feeding on secretions
Insect Farm

Face Fly

Musca autumnalis

Face flies (Musca autumnalis) resemble house flies and gather around the eyes, nose, and mouth of cattle and horses to…

Low risk Fall armyworm caterpillar with an inverted white Y on its head feeding on a grass blade
Insect Farm

Fall Armyworm

Spodoptera frugiperda

The fall armyworm (Spodoptera frugiperda) is a striped caterpillar marked by an inverted white 'Y' on its head. Larvae…

Low risk Silken fall webworm nest enclosing the end of a tree branch with caterpillars inside
Insect Home

Fall Webworm

Hyphantria cunea

The fall webworm (Hyphantria cunea) is a native caterpillar that spins large silken webs over the ends of tree branche…

Low risk A medium black-and-red field ant on soil beside a low thatch-and-soil mound in a lawn
Insect Home

Field Ant

Formica spp.

Field ants (Formica species) are medium-to-large outdoor ants, black, brown, or reddish, often mistaken for carpenter …

Low risk Shiny black field cricket with long antennae on a wooden surface
Insect HomeFarm

Field Cricket

Gryllus spp.

The field cricket (Gryllus species) is a shiny black cricket up to an inch long with a loud, familiar chirp. It lives …

Low risk Mottled gray-brown firebrat with long antennae and tail bristles near a warm pipe
Insect Home

Firebrat

Thermobia domestica

The firebrat (Thermobia domestica) is a mottled gray-brown, wingless insect closely related to the silverfish, but it …

Low risk Large brown mottled fishing spider with long legs perched at the edge of still water
Arachnid Home

Fishing Spider

Dolomedes spp.

The fishing spider (Dolomedes species) is a large brown, mottled spider that lives near ponds and streams, where it ca…

Low risk Tiny dark flea beetle on a leaf riddled with small round shot-hole feeding pits
Insect Farm

Flea Beetle

Chrysomelidae (Phyllotreta, Epitrix, and others)

Flea beetles are tiny, dark, jumping beetles that chew small round 'shot-hole' pits in the leaves of many vegetables. …

Low risk Gray flesh fly with three thorax stripes and a checkered abdomen on a surface
Insect Home

Flesh Fly

Sarcophaga spp. (Sarcophagidae)

Flesh flies (Sarcophaga species) are gray flies with three dark stripes on the thorax and a checkerboard-patterned abd…

Low risk Tiny tan fruit fly with bright red eyes on a piece of overripe fruit
Insect HomeCommercial

Fruit Fly

Drosophila melanogaster

The fruit fly (Drosophila melanogaster) is a tiny tan fly about 1/8 inch long, usually with bright red eyes, that swar…

Low risk Tiny dark fungus gnat with long legs on the soil surface of a potted plant
Insect Home

Fungus Gnat

Bradysia spp. (Sciaridae)

Fungus gnats (Bradysia species) are tiny, delicate, dark flies that hover around houseplants and damp soil. The adults…

Moderate risk Brown garden slug on a chewed green leaf with a silvery slime trail
Mollusk HomeFarm

Garden Slug

Deroceras reticulatum

Garden slugs are soft, slimy, shell-less mollusks that feed at night on leaves, seedlings, and ripening fruit, leaving…

Low risk Tiny ghost ants with dark heads and pale translucent bodies on a light bathroom counter
Insect Home

Ghost Ant

Tapinoma melanocephalum

The ghost ant (Tapinoma melanocephalum) is a tiny ant with a dark head and thorax but pale, almost translucent legs an…

Moderate risk Microscopic pale soft-bodied grain mites forming a fine dust on damp stored flour
Arachnid Commercial

Grain Mite

Acarus siro

The grain mite (Acarus siro) is a microscopic, pale, soft-bodied mite that thrives in damp stored grain, flour, and ch…

Low risk Shiny dark reddish-brown granary weevil with a long snout on wheat kernels
Insect CommercialHome

Granary Weevil

Sitophilus granarius

The granary weevil (Sitophilus granarius) is a shiny reddish-brown to black weevil with a long snout and no wing spots…

Low risk Brown grass spider with long spinnerets at the mouth of a sheet funnel web in dewy grass
Arachnid Home

Grass Spider

Agelenopsis spp.

Grass spiders (Agelenopsis species) are fast brown funnel-weavers that build sheet-like webs with a funnel retreat in …

Low risk Brown-green grasshopper with large hind legs on a chewed garden leaf
Insect HomeFarm

Grasshopper

Acrididae (Melanoplus spp. and others)

Grasshoppers are familiar jumping insects with big hind legs and short antennae that chew the leaves of garden plants,…

Low risk Shiny black ground beetle with ridged wing covers on soil
Insect Home

Ground Beetle

Family Carabidae

Ground beetles (family Carabidae) are fast-running, dark, often shiny beetles with ridged wing covers that hide under …

Low risk Tiny black-and-white hairy chinch bug on grass blades above sun-scorched brown turf
Insect HomeFarm

Hairy Chinch Bug

Blissus leucopterus hirtus

The hairy chinch bug (Blissus leucopterus hirtus) is a tiny black-and-white true bug that damages lawns across the Nor…

Low risk Shield-shaped harlequin bug boldly patterned in black, red, and orange on a cabbage leaf
Insect Farm

Harlequin Bug

Murgantia histrionica

The harlequin bug (Murgantia histrionica) is a small, shield-shaped stink bug boldly patterned in black, red, and oran…

Low risk Small round-bodied harvestman with very long thin legs on a shaded wall
Arachnid Home

Harvestman

Opiliones (order)

The harvestman (order Opiliones), or daddy-longlegs, is a round-bodied arachnid with long legs that is not a spider. I…

Low risk Tan head louse gripping a strand of human hair near the scalp
Insect Home

Head Louse

Pediculus humanus capitis

The head louse (Pediculus humanus capitis) is a tiny, wingless insect that lives on the human scalp and feeds on blood…

Low risk Dark oval hide beetle and a hairy dermestid larva on a piece of dried animal hide
Insect HomeCommercial

Hide Beetle

Dermestes maculatus

The hide beetle (Dermestes maculatus) is a dark, oval dermestid beetle that feeds on dried animal matter: hides, leath…

Low risk Brown hobo spider with a chevron pattern on its abdomen at the mouth of a funnel web
Arachnid Home

Hobo Spider

Eratigena agrestis

The hobo spider (Eratigena agrestis) is a brown funnel-web spider found in the Pacific Northwest and inland Northwest.…

Low risk Holly leaf showing yellow and brown winding leafminer trails made by fly larvae
Insect Home

Holly Leafminer

Phytomyza ilicicola

The holly leafminer (Phytomyza ilicicola) is a tiny black fly whose larvae tunnel inside holly leaves, leaving yellow …

Low risk Golden-brown fuzzy honey bee with dark bands collecting pollen from a yellow flower
Insect Home

Honey Bee

Apis mellifera

The honey bee (Apis mellifera) is a golden-brown, fuzzy pollinator that lives in large perennial colonies and is vital…

Low risk Small dark horn flies clustered on the back of a cow feeding on the animal
Insect Farm

Horn Fly

Haematobia irritans

Horn flies (Haematobia irritans) are small blood-feeding flies about half the size of a house fly that cluster on the …

Low risk Large dark horse fly with big iridescent eyes resting on a wooden surface
Insect HomeFarm

Horse Fly

Tabanus spp. (Tabanidae)

Horse flies (Tabanus species) are large, stout, fast-flying flies with big iridescent eyes. Only females bite, slicing…

Low risk Grayish-yellow house centipede with many long legs on a basement wall
Insect Home

House Centipede

Scutigera coleoptrata

The house centipede (Scutigera coleoptrata) is a fast, grayish-yellow arthropod with 15 pairs of very long legs. It hu…

Low risk Light yellowish-brown house cricket with long antennae on a concrete basement floor
Insect Home

House Cricket

Acheta domesticus

The house cricket (Acheta domesticus) is a light yellowish-brown cricket about 3/4 inch long, known for the loud chirp…

Moderate risk Gray house fly with red eyes and four dark thoracic stripes resting on a kitchen surface
Insect HomeCommercialFarm

House Fly

Musca domestica

The house fly (Musca domestica) is a dull-gray fly about 1/4 inch long, with four dark stripes on its back and spongin…

High risk Small gray-brown house mouse with large ears and a long thin tail on a wooden floor
Rodent HomeCommercialFarm

House Mouse

Mus musculus

The house mouse (Mus musculus) is a small gray-brown rodent with large ears, a pointed snout, and a long tail. It sque…

Low risk Small moth with pale gray base and coppery wingtips resting on a pantry shelf
Insect HomeCommercial

Indianmeal Moth

Plodia interpunctella

The Indianmeal moth (Plodia interpunctella) is the most common pantry moth, recognized by forewings that are pale gray…

Low risk Fat pinkish iris borer caterpillar tunneling inside a hollowed iris rhizome
Insect Home

Iris Borer

Macronoctua onusta

The iris borer (Macronoctua onusta) is the caterpillar of a night-flying moth and the most destructive pest of iris. Y…

Low risk Large yellow, blue-gray, and red Joro spider hanging head-down in a golden orb web
Arachnid Home

Joro Spider

Trichonephila clavata

The Joro spider (Trichonephila clavata) is a large, brightly colored orb-weaver from East Asia now spreading through t…

Low risk Small fuzzy black jumping spider with large forward-facing eyes perched on a leaf
Arachnid Home

Jumping Spider

Family Salticidae

Jumping spiders (family Salticidae) are small, compact, often fuzzy spiders famous for their large forward-facing eyes…

Low risk Dark jumping worm with a smooth milky-white band thrashing in dark, granular soil
Other HomeFarm

Jumping Worm

Amynthas spp.

Jumping worms (Amynthas species) are invasive Asian earthworms that thrash wildly like a snake when handled. They live…

Low risk Robust reddish-brown June beetle resting on a leaf at night
Insect HomeFarm

June Beetle

Phyllophaga spp.

June beetles (Phyllophaga species), also called May beetles or June bugs, are robust reddish-brown to black scarab bee…

High risk Large dark brown kissing bug with red-orange bands along its abdomen and a cone-shaped head
Insect Home

Kissing Bug

Triatoma spp.

Kissing bugs (Triatoma species) are large, dark, cone-headed insects, often edged with red or orange, that feed on blo…

Low risk Small olive-green kudzu bug with a squared, boxy body resting on light-colored siding
Insect HomeFarm

Kudzu Bug

Megacopta cribraria

The kudzu bug (Megacopta cribraria) is a small, olive-green, boxy true bug from Asia, first found in the US in Georgia…

Low risk Dark larder beetle with a pale banded stripe across its wing covers on a pantry surface
Insect HomeCommercial

Larder Beetle

Dermestes lardarius

The larder beetle (Dermestes lardarius) is a dark, elongate beetle with a pale band across its wing covers. It infests…

Low risk Brown leaffooted bug with flattened leaf-like hind legs feeding on a ripening tomato
Insect HomeFarm

Leaffooted Bug

Leptoglossus spp.

Leaffooted bugs (Leptoglossus species) are large brown true bugs named for the flattened, leaf-like flares on their hi…

Low risk Slender green wedge-shaped leafhopper resting on the edge of a green leaf
Insect Farm

Leafhopper

Cicadellidae spp.

Leafhoppers are small, wedge-shaped insects, roughly 1/8 to 1/2 inch, that hop or run sideways and suck sap from leave…

Low risk Large shiny brown magnolia scales on a magnolia twig with sticky honeydew and black sooty mold
Insect Home

Magnolia Scale

Neolecanium cornuparvum

Magnolia scale (Neolecanium cornuparvum) is one of the largest soft scales in the US, reaching about half an inch. The…

Low risk Reddish-brown maize weevil with a long snout and orange back spots on corn kernels
Insect CommercialFarm

Maize Weevil

Sitophilus zeamais

The maize weevil (Sitophilus zeamais) is a small reddish-brown weevil with a long snout and four orange-red spots on i…

Low risk Stocky brown meadow vole with a blunt snout and short tail in grass
Rodent HomeFarm

Meadow Vole

Microtus pennsylvanicus

The meadow vole (Microtus pennsylvanicus) is a small, stout rodent with a blunt snout, tiny ears, and a short tail, of…

Low risk White cottony mealybugs clustered in the leaf joints of a green houseplant stem
Insect HomeFarm

Mealybug

Pseudococcidae spp.

Mealybugs are small, soft, oval insects covered in a white, cottony wax that makes them look like specks of fluff on s…

Low risk Dark cylindrical millipede coiled into a spiral on damp soil and leaf litter
Insect Home

Millipede

Diplopoda

Millipedes are slow, cylindrical, many-segmented arthropods with two pairs of legs per segment that curl into a spiral…

Low risk Gray-brown mimosa webworm caterpillar in silk webbing on browned honeylocust foliage
Insect Home

Mimosa Webworm

Homadaula anisocentra

The mimosa webworm (Homadaula anisocentra) is a small gray-brown caterpillar that binds mimosa and honeylocust foliage…

Low risk Whitish-tan mold mites clustered as a moving film on a damp, mold-spotted surface
Arachnid HomeCommercial

Mold Mite

Tyrophagus putrescentiae

Mold mites (Tyrophagus and related species) are microscopic, whitish-tan mites that swarm over damp, moldy surfaces an…

Low risk Slender black mud dauber wasp with a thread-thin waist building a tube nest of mud on a wall
Insect Home

Mud Dauber

Sceliphron caementarium

Mud daubers (Sceliphron and related genera) are slender, thread-waisted solitary wasps, often black or metallic blue, …

Moderate risk Brown muskrat with a long, flattened scaly tail swimming at the edge of a pond
Rodent FarmWildlife

Muskrat

Ondatra zibethicus

The muskrat (Ondatra zibethicus) is a large, semiaquatic rodent with dense brown fur, partly webbed hind feet, and a l…

High risk Large brown Norway rat with a blunt nose and short tail on a concrete basement floor
Rodent HomeCommercialFarm

Norway Rat

Rattus norvegicus

The Norway rat (Rattus norvegicus) is a large, stocky brown rodent with a blunt nose, small ears, and a tail shorter t…

Moderate risk Large brown nutria with orange front teeth and a round rat-like tail at a marshy water's edge
Rodent FarmWildlife

Nutria

Myocastor coypus

The nutria (Myocastor coypus) is a large, invasive semi-aquatic rodent with bright orange front teeth, a round rat-lik…

Low risk Round woody oak apple gall attached to an oak twig, caused by a tiny gall wasp
Insect Home

Oak Gall Wasp

Family Cynipidae (Callirhytis, Amphibolips spp.)

Oak gall wasps (family Cynipidae) are tiny wasps whose feeding chemicals make oak trees grow galls, abnormal woody or …

Low risk Tiny slender pale-yellow onion thrips clustered in the leaf base of an onion plant
Insect Farm

Onion Thrips

Thrips tabaci

Onion thrips (Thrips tabaci) are tiny, slender pale-yellow to brown insects that rasp onion, garlic, and cabbage leave…

Low risk Brown and yellow paper wasp on an open umbrella-shaped nest under a wooden eave
Insect Home

Paper Wasp

Polistes spp.

Paper wasps (Polistes species) are slender, long-legged wasps that build open, umbrella-shaped nests under eaves, rail…

Low risk Small dark brown pavement ants trailing beside a soil pile pushed up through a sidewalk crack
Insect Home

Pavement Ant

Tetramorium immigrans

The pavement ant (Tetramorium immigrans) is a small dark brown to black ant that nests under sidewalks, driveways, and…

Low risk Small dark pepper weevil with a long curved snout on a green pepper fruit
Insect Farm

Pepper Weevil

Anthonomus eugenii

The pepper weevil (Anthonomus eugenii) is a tiny dark beetle with a long curved snout that attacks peppers and related…

Moderate risk Tiny pale yellow pharaoh ants trailing along a countertop edge near a wall outlet
Insect HomeCommercial

Pharaoh Ant

Monomorium pharaonis

The pharaoh ant (Monomorium pharaonis) is a tiny yellowish to light-brown ant that nests indoors in warm, humid voids.…

Low risk Tiny humpbacked phorid fly with an arched back on a white surface
Insect HomeCommercial

Phorid Fly

Megaselia scalaris (Phoridae)

Phorid flies (Megaselia scalaris and relatives) are tiny humpbacked flies that run in quick, erratic bursts rather tha…

Low risk Pale green pickleworm caterpillar boring into a yellow summer squash fruit
Insect Farm

Pickleworm

Diaphania nitidalis

The pickleworm (Diaphania nitidalis) is the caterpillar of a night-flying moth that bores into the blossoms and fruit …

Low risk Cluster of green pine sawfly larvae feeding side by side on a pine branch
Insect Home

Pine Sawfly

Neodiprion spp.

Pine sawflies (Neodiprion species) are wasp relatives whose caterpillar-like larvae feed in groups on pine needles, so…

Low risk Very small brown plaster beetle on a damp painted wall surface, shown magnified
Insect Home

Plaster Beetle

Latridiidae spp.

Plaster beetles (family Latridiidae) are minute brown beetles that feed on mold and mildew in damp buildings, often sw…

Low risk Tiny cicada-like potato psyllid with clear wings held rooflike over its body on a potato leaf
Insect Farm

Potato Psyllid

Bactericera cockerelli

The potato psyllid (Bactericera cockerelli) is a tiny cicada-like insect whose nymphs feed on potatoes, tomatoes, pepp…

High risk Gray raccoon with a black facial mask and ringed tail peering out of an attic vent at night
Wildlife HomeWildlife

Raccoon

Procyon lotor

The raccoon (Procyon lotor) is a stocky, gray-brown mammal with a black facial mask and a bushy, ringed tail. This cle…

Low risk Large dark rat snake climbing a wooden barn beam
Reptile HomeFarm

Rat Snake

Pantherophis spp.

Rat snakes (Pantherophis species) are large, non-venomous constrictors that are excellent climbers and superb rodent h…

Low risk Small shiny reddish-brown red flour beetle on spilled flour
Insect CommercialHome

Red Flour Beetle

Tribolium castaneum

The red flour beetle (Tribolium castaneum) is a tiny, shiny reddish-brown beetle and a leading pest of flour, cereal, …

Low risk Small reddish-brown rice weevil with a long snout and pale back spots on scattered rice grains
Insect CommercialHome

Rice Weevil

Sitophilus oryzae

The rice weevil (Sitophilus oryzae) is a small reddish-brown to black weevil with a long snout and four faint pale spo…

Low risk Extreme close-up of a tiny pale rodent mite crawling on a light surface near a wall crack
Arachnid Home

Rodent Mite

Ornithonyssus bacoti

Rodent mites (Ornithonyssus bacoti and related species) are tiny blood-feeding mites that live in rat and mouse nests.…

High risk Sleek brown roof rat with large ears and a long tail on an attic beam
Rodent HomeCommercial

Roof Rat

Rattus rattus

The roof rat (Rattus rattus) is a sleek, agile climbing rat with a pointed nose, large ears, and a tail longer than it…

Low risk Cluster of green and pink rose aphids on a rose bud and new shoot
Insect Home

Rose Aphid

Macrosiphum rosae

The rose aphid (Macrosiphum rosae) is a soft, pear-shaped insect, green or pinkish, that clusters on rose buds and ten…

Low risk Slender tan rose chafer beetle with long spiny legs on a white rose blossom
Insect HomeFarm

Rose Chafer

Macrodactylus subspinosus

The rose chafer (Macrodactylus subspinosus) is a slender tan beetle with long, spiny reddish legs that swarms roses, g…

Low risk Blackened, deformed rose buds and shoot tips damaged by tiny rose midge larvae
Insect Home

Rose Midge

Dasineura rhodophaga

The rose midge (Dasineura rhodophaga) is a nearly invisible fly, under 1 mm, whose maggots feed inside rose buds and s…

Low risk Pale green slug-like rose sawfly larva skeletonizing the surface of a green rose leaf
Insect HomeFarm

Rose Sawfly

Endelomyia aethiops

Rose sawflies, whose larvae are known as roseslugs, are caterpillar-like insects that skeletonize rose leaves, leaving…

Low risk Gray circular San Jose scales encrusting an apple twig with reddish halos on the fruit
Insect HomeFarm

San Jose Scale

Diaspidiotus perniciosus

San Jose scale (Diaspidiotus perniciosus) is a tiny armored scale, barely 2 mm, that encrusts the bark of fruit and or…

Low risk Brown crusty scale insects lined along a plant stem and leaf vein
Insect HomeFarm

Scale Insect

Coccoidea spp.

Scale insects are small sap-feeders that look like tiny bumps or shell-like crusts stuck to stems, leaves, and bark ra…

Low risk Silvery-gray teardrop-shaped silverfish with long antennae and tail bristles on a book page
Insect Home

Silverfish

Lepisma saccharina

The silverfish (Lepisma saccharina) is a wingless, silvery-gray insect with a tapered, carrot-shaped body and a fish-l…

Low risk Gray-tan sod webworm caterpillar curled in the thatch of a home lawn
Insect HomeFarm

Sod Webworm

Crambinae spp.

Sod webworms are the caterpillars of small buff-colored lawn moths. They live in silk-lined tunnels in the thatch and …

Low risk Gray, oval, segmented sowbug crawling on damp soil among mulch and decaying leaves
Insect Home

Sowbug

Porcellio scaber

The sowbug (Porcellio scaber) is a small, gray, oval land crustacean, not an insect, related to shrimp and crabs. It h…

Low risk Tiny pale yellow-green soybean aphids clustered on the underside of a soybean leaf
Insect Farm

Soybean Aphid

Aphis glycines

The soybean aphid (Aphis glycines) is a tiny pale yellow-green insect and the main aphid pest of US soybeans. An invas…

Low risk Shiny round-bodied reddish-brown spider beetle with long legs and antennae resembling a mite
Insect CommercialHome

Spider Beetle

Mezium and Ptinus spp.

Spider beetles (family Ptinidae) are tiny, round-bodied beetles with long legs and antennae that make them look like s…

Low risk Cluster of tiny gray springtails on wet soil near the edge of a plant pot
Insect Home

Springtail

Collembola (order)

Springtails (order Collembola) are tiny, wingless arthropods, usually under 2 mm, that leap using a spring-like tail. …

Low risk Reddish-brown spruce budworm caterpillar feeding on green spruce needles
Insect Home

Spruce Budworm

Choristoneura fumiferana

The spruce budworm (Choristoneura fumiferana) is the reddish-brown caterpillar of a native moth and one of the most de…

Low risk Orange-yellow squash beetle with large black spots resembling a big ladybug on a squash leaf
Insect HomeFarm

Squash Beetle

Epilachna borealis

The squash beetle (Epilachna borealis) is a plant-eating ladybug relative, orange-yellow with large black spots, that …

Low risk Flat grayish-brown squash bug on a squash leaf with orange bands along its abdomen
Insect Farm

Squash Bug

Anasa tristis

The squash bug (Anasa tristis) is a flat, grayish-brown shield-shaped insect and a major pest of squash, pumpkins, and…

Low risk Gray stable fly resembling a house fly with a needle-like biting mouthpart pointing forward
Insect Farm

Stable Fly

Stomoxys calcitrans

Stable flies (Stomoxys calcitrans) look much like house flies but carry a bayonet-like mouthpart and bite. Both sexes …

Low risk Extremely small pale yellow thief ants trailing toward a greasy food spot on a shelf
Insect Home

Thief Ant

Solenopsis molesta

The thief ant (Solenopsis molesta) is one of the smallest house ants, pale yellow to light brown and easy to mistake f…

Low risk Extreme close-up of a slender yellow-brown thrips on a green leaf with silvery feeding scars
Insect HomeFarm

Thrips

Order Thysanoptera

Thrips are tiny, slender insects, often under 1/16 inch, that rasp plant tissue and suck the juices, leaving silvery s…

Low risk Green buffalo treehopper with a triangular thorn-like pronotum resting on a young twig
Insect HomeFarm

Treehopper

Membracidae spp.

Treehoppers (family Membracidae) are small sap-sucking true bugs with an enlarged, often thorn- or horn-shaped pronotu…

Low risk Hairy tussock moth caterpillar with four white tufts, a red head, and long black hair pencils on a leaf
Insect Home

Tussock Moth

Orgyia leucostigma

Tussock moths (Orgyia species) are caterpillars named for the distinctive tufts, or tussocks, of hair along their back…

Low risk Bright red-orange and black furry velvet ant crawling across bare sandy ground
Insect Home

Velvet Ant

Dasymutilla spp.

The velvet ant (Dasymutilla species), or 'cow killer,' is not an ant at all but a wingless female wasp covered in dens…

Low risk Grayish-white Virginia opossum with a pointed pink nose and bare tail foraging by a fence at night
Wildlife HomeWildlife

Virginia Opossum

Didelphis virginiana

The Virginia opossum (Didelphis virginiana) is North America's only marsupial: a cat-sized, grayish-white animal with …

Low risk Gray wheel bug with a spiny cogwheel-shaped crest on its back perched on a leaf
Insect Home

Wheel Bug

Arilus cristatus

The wheel bug (Arilus cristatus) is a large gray assassin bug named for the cog-like crest on its back. It is a benefi…

Moderate risk White C-shaped grub with a brown head curled in soil beneath lifted lawn turf
Insect HomeFarm

White Grub

Scarabaeidae (Phyllophaga, Cyclocephala, and others)

White grubs are the plump, C-shaped, cream-colored larvae of scarab beetles like June beetles, chafers, and Japanese b…

Low risk Many tiny white moth-like whiteflies clustered on the underside of a green leaf
Insect HomeFarm

Whitefly

Aleyrodidae spp.

Whiteflies are tiny, moth-like insects about 1/16 inch long that cluster on the undersides of leaves and fly up in a w…

Low risk Slender shiny orange-brown wireworm larva in soil next to a damaged seed potato
Insect Farm

Wireworm

Elateridae (click beetle larvae)

Wireworms are the slender, shiny, orange-brown larvae of click beetles that live in soil for years, feeding on seeds, …

Low risk Large hairy brown wolf spider with mottled markings on the ground among leaf litter
Arachnid Home

Wolf Spider

Family Lycosidae

Wolf spiders (family Lycosidae) are large, hairy, fast-moving hunting spiders that chase prey on the ground instead of…

Low risk Black and white woodpecker with a red head marking clinging to wooden house siding
Bird Home

Woodpecker

Family Picidae

Woodpeckers (family Picidae) are stiff-tailed climbing birds that peck wood with a chisel-like bill. Around homes they…

Low risk White woolly aphids covered in fluffy wax clustered on an apple tree branch
Insect HomeFarm

Woolly Aphid

Eriosoma spp.

Woolly aphids (Eriosoma species) are small sap-sucking insects cloaked in white, cottony wax that makes colonies look …