Pest Control Questions & Answers

Most spider bites look like a small red bump, sometimes with two tiny puncture marks, mild swelling, and itching. They typically resemble other insect bites and fade within a few days. Bites from medically significant spiders like the black widow or brown recluse can look and feel more serious and need medical attention.

Yes, bed bugs can be fully exterminated, but it usually takes a combination of methods and more than one treatment. Professional heat treatments and targeted, labeled insecticides are the most reliable, because bed bugs hide deep in cracks and their eggs resist many products. DIY efforts often need several rounds to succeed.

A tick bite usually looks like a small red bump, much like a mosquito bite, often with the tick still attached to the skin. After the tick drops off, a mild red mark may linger for a few days. An expanding, ring-shaped rash can signal Lyme disease and is worth showing a doctor.

Bed bugs come from other infested places and hitchhike home on luggage, used furniture, clothing, and bags. They spread through travel, secondhand items, and, in apartments, from neighboring units. They are not a sign of poor hygiene, and they cannot fly or jump to reach you.

Bed bugs bite exposed skin while you sleep, leaving small red, often itchy welts that tend to line up in a row or cluster. Reactions vary widely: some people show nothing, others develop swollen, very itchy bumps. Bites are not dangerous for most people, though scratching can lead to a skin infection.

Bed bugs would most likely come from travel or secondhand items, hitchhiking home in luggage, clothing, or used furniture. In multi-unit buildings they can also arrive from a neighboring apartment. They do not come from dirt or poor hygiene, and they cannot fly or jump into your home.

Wolf spiders are not considered dangerous to people. They can bite if handled or trapped against skin, but their venom is weak and usually causes only mild pain, redness, and swelling. They are not aggressive, prefer to flee, and actually help control other insect pests.

Some cockroaches can fly, but many common household species are poor fliers or do not fly at all. Species like the American cockroach can glide short distances, especially in warm conditions, while German cockroaches rarely fly despite having wings. Most cockroaches prefer running to flying.

Cockroaches can bite, but it is very rare. Species like the German cockroach have chewing mouthparts and may nibble food residue on skin, nails, or eyelashes during heavy infestations, but they do not seek out people and are not aggressive. Bites are minor, though roaches spread germs and allergens.

Yes, bed bug bites often itch, though not everyone reacts. The itching comes from your skin's immune response to compounds in the bug's saliva. Bites usually appear as small red welts in a line or cluster and can turn itchy within a day or two. Some people feel nothing at all.

Yes, bed bug bites usually itch, though reactions vary a lot from person to person. The itch comes from your immune system reacting to proteins in the bug's saliva. It can be delayed by hours or even days. Bites often appear as small red bumps in a line or loose cluster on exposed skin. But some people never itch or show any mark at all.

Most spiders have eight eyes, set in rows on the front of the head section. Some species have six. A few cave-dwelling spiders have fewer or none at all. Despite carrying so many eyes, most spiders see poorly. They rely far more on touch and vibration to sense the world around them. Jumping spiders are the sharp-eyed exception.

The idea that daddy long legs are extremely venomous but cannot bite is a myth with no evidence behind it. True daddy long legs, called harvestmen, are not spiders and have no venom at all. Cellar spiders, also nicknamed daddy long legs, do have venom. But it is harmless to people, and bites are exceptionally rare. Neither is dangerous.

Spiders have eight legs, arranged as four pairs on the front body section. Eight legs are a defining trait that separates spiders from insects, which have six. Along with their two main body segments, the eight legs make spiders one of the easiest arthropods to identify. A spider that loses a leg can often regrow it when it molts.

Fleas from dogs can bite humans, but they do not live on people. The cat flea (*Ctenocephalides felis*) is the flea most often found on dogs. It is adapted to breed in fur and cannot reproduce on human skin. Fleas may hop onto you for a meal and leave itchy welts. But they will not set up a lasting infestation on a person.

Jumping spiders (family Salticidae) can bite, but they rarely do, and a bite is harmless to most people. They are small, curious, and non-aggressive. They bite only if trapped against skin or handled roughly. A bite feels like a minor sting, with mild, short-lived redness. They are among the most harmless spiders you will meet indoors.

Tarantulas (family Theraphosidae) have venom, but they are not dangerous to humans. For most people, a bite is no worse than a bee sting. The bigger irritation comes from the barbed urticating hairs some species flick when threatened. These can bother skin and eyes. Tarantulas are generally docile and bite only as a last resort.

Mosquito bites itch because your immune system reacts to proteins in the mosquito's saliva. When a female mosquito feeds, her saliva keeps your blood from clotting. In response, your body releases histamine. That histamine causes the swelling, redness, and itching of a classic mosquito bite. The reaction can appear within minutes or build over hours.

No, fleas cannot fly, because they have no wings. Instead, fleas such as the cat flea (*Ctenocephalides felis*) jump remarkable distances. Using powerful, spring-loaded back legs, they cover many times their body length in a single leap. That sudden jump onto a passing host is often mistaken for flying. But no flea has ever flown.

Yes, fleas bite people, though they prefer furry animals like cats and dogs. Bites from the cat flea (*Ctenocephalides felis*) usually appear as small, itchy red bumps. They often show up around the ankles and lower legs. Fleas do not live or breed on people. But they will bite when a preferred host isn't available, or when their numbers are high.

No, bed bugs (Cimex lectularius) cannot fly. They have only tiny, non-functional wing pads, never developed wings, and they cannot jump either. Bed bugs move by crawling, and they spread from place to place by hitchhiking on luggage, clothing, and used furniture rather than traveling through the air.

Yes, you can see adult bed bugs (Cimex lectularius) with the naked eye. They are about the size and color of an apple seed: flat, oval, and reddish-brown. Eggs and newly hatched nymphs are far smaller and paler, so they are much harder to spot. Look in mattress seams and cracks close to the bed.

Scientists estimate there are roughly 20 quadrillion ants on Earth, based on a 2022 analysis published in the journal PNAS that combined thousands of ant surveys worldwide. That is 20 followed by 15 zeros. Ants live on every continent except Antarctica and shape nearly every land ecosystem on the planet.

No, spiders are not insects. They are arachnids (class Arachnida), a group that also includes ticks, mites, and scorpions. Spiders have eight legs and two body segments, while insects (class Insecta) have six legs and three body segments. Spiders also lack antennae and wings, which many insects have.

Adult fleas (usually the cat flea, Ctenocephalides felis) are tiny, about an eighth of an inch, dark reddish-brown, flattened side to side, and wingless, and they move by jumping. Flea eggs are much smaller, off-white, and oval, roughly the size of a grain of salt. Eggs fall off the pet into bedding, carpet, and floor cracks.

No, ticks cannot fly. They have no wings and cannot jump either. Ticks such as the blacklegged tick (Ixodes scapularis) reach a host through a behavior called questing: they wait on grass or brush with their front legs outstretched and grab onto animals or people that brush past, then crawl to a spot to attach and feed.

For a wasp sting, calmly move away, wash the area with soap and water, and apply a cold pack to ease pain and swelling. Over-the-counter pain relievers and antihistamines can help. Watch for signs of a severe allergic reaction, such as trouble breathing or facial swelling, and call 911 immediately if any appear.

Ants do rest, but not the way people sleep. Instead of one long sleep, ants take many very short power naps throughout the day and night. Worker ants nap in brief bursts and stay busy around the clock, while queens tend to rest longer and more deeply. Because naps are staggered, the colony never fully shuts down.

Most mosquito bites last a few days to about a week. The itchy bump usually peaks within a day and then fades as your body clears the saliva proteins. Reactions vary: some people heal in a couple of days, while more sensitive people may itch for a week or longer. Scratching can worsen irritation and slow healing.

On a dog, an attached tick looks like a small, firm bump on the skin, often mistaken for a wart or skin tag. Unfed ticks such as the American dog tick (Dermacentor variabilis) are flat and seed-shaped; after feeding they swell into a round, grayish, engorged blob. Check the ears, neck, armpits, groin, and between the toes.

Adult wasps feed mostly on sugars, sipping nectar, ripe fruit, tree sap, and sweet drinks for energy. Predatory species like paper wasps and yellowjackets also hunt insects such as caterpillars, flies, and spiders, but that prey goes to feed their larvae, not the adults. This dual diet makes many wasps useful natural pest controllers.

Yes, mud wasps, better known as mud daubers, can sting, but they very rarely do. They are solitary, non-aggressive wasps and do not defend their nests the way yellowjackets or hornets do. A sting usually happens only if one is handled or trapped against skin. Mud daubers are largely beneficial spider hunters.

Stink bugs are mainly plant feeders. They use a needle-like mouthpart to pierce fruits, vegetables, leaves, and stems and suck out the juices. The brown marmorated stink bug attacks apples, peaches, tomatoes, peppers, beans, and corn. That makes it a serious agricultural and garden pest across much of the United States.

Fruit flies come from ripe, overripe, and fermenting produce and other moist organic matter, where females lay their eggs. They often arrive as nearly invisible eggs already on store-bought fruits and vegetables, then multiply fast indoors. Drains, trash cans, recycling, and damp mops can also breed them wherever food residue collects.

Gnats come from moist spots with decaying organic matter, where they breed. Fungus gnats develop in the damp soil of overwatered houseplants, while drain flies breed in the slimy film inside drains. Overwatered plants, wet potting soil, garbage, and standing water are common sources that let small indoor gnat populations multiply quickly.

Cockroaches are omnivores that eat almost anything organic. Species like the German cockroach favor starches, sugars, grease, and meat. When food is scarce, they will consume decaying scraps, crumbs, pet food, garbage, and even glue, paper, soap, and hair. This flexible diet is a big reason cockroaches survive so well around homes.

Cockroaches come indoors seeking food, water, and warmth. The German cockroach enters through cracks, gaps around pipes and doors, drains, and vents. It often hitchhikes in on grocery bags, cardboard boxes, used appliances, and secondhand furniture. In apartments and multi-family buildings, they also spread between units through shared walls and plumbing.

Yes, many ants can bite, gripping the skin with their jaws, and some also sting. For most common household ants, the bite is harmless and barely noticeable. But certain species, especially the red imported fire ant, both bite to hold on and deliver a painful, burning sting. That sting can raise itchy welts and, rarely, cause an allergic reaction.

Ants are omnivores that eat a wide range of foods, mainly sugars and proteins: nectar, honeydew from aphids, seeds, insects, and food scraps. And yes, some ants do eat other ants. Predatory species hunt them. Rival colonies fight and consume one another's workers and brood, and many colonies recycle their own dead.

"White ants" usually means termites, not true ants. And yes, at certain times of year, termites like the subterranean termite produce winged reproductives called swarmers or alates. These fly off to start new colonies. They appear in swarms, often in spring or after rain, then shed their wings. Spotting them can signal termites nearby.

To kill ants for good, use a slow-acting bait rather than a spray. Foraging workers carry the bait back to the nest, poisoning the colony and its queen over several days. Pair baiting with cleaning up food and water and sealing entry points. Follow the EPA-registered label, and call a pro for carpenter ants or large, recurring infestations.

Some ants sting and some do not. Many common household ants only bite with their jaws or spray formic acid, but species with a true stinger — such as the red imported fire ant and harvester ants — inject venom. A fire ant sting burns, then forms an itchy pustule. Severe allergic reactions are uncommon but can be serious.

Mice are often said to dislike strong smells such as peppermint oil, cinnamon, cloves, and vinegar. These scents may briefly annoy a mouse, but there is little solid evidence they clear an infestation — odors fade and mice adapt. Sealing entry points, removing food, and trapping are far more reliable for lasting rodent control.

On a dog, fleas look like tiny, dark reddish-brown specks — about the size of a pinhead to a sesame seed — that dart quickly through the fur. You often spot "flea dirt" first: black flecks that turn rust-red when wet. Check the belly, groin, and base of the tail, where fleas gather and the fur is thin.

No product truly kills every flea instantly, but a few work fast. Vet-recommended fast-acting oral tablets can begin killing fleas within hours, a bath with dog-safe soap drowns many right away, and a flea comb removes live fleas on the spot. For lasting control, you have to treat the dog and the home together, following your vet's directions.

No, ticks cannot jump, and they cannot fly either. They reach a host by "questing" — climbing grass or brush and grabbing on with outstretched front legs as a person or animal brushes past. That is why ticks are usually picked up at ankle or leg height in tall vegetation. Checking yourself after time outdoors is the best defense.

Yes, adult stink bugs can fly. Species like the brown marmorated stink bug have two pairs of wings folded under the hard shield on their back. They are clumsy, noisy fliers that bump into walls, lamps, and windows. Flight is most noticeable in fall, when they search for warm places to shelter through winter.

No, fruit flies cannot bite. Their soft, sponge-like mouthparts are built for soaking up liquid from ripe or fermenting fruit, not for piercing skin. If you feel bites near the kitchen, the culprit is usually a look-alike — such as a biting midge, fungus gnat relative, or another small fly — not a fruit fly.

No, fruit flies do not sting. They have no stinger and no venom. A stinger is a modified egg-laying organ found mainly in some bees, wasps, and ants — fruit flies belong to a different group entirely. They feed by sponging up liquids, so they cannot sting or bite. They are a kitchen nuisance, not a danger to people or pets.

An adult fruit fly usually lives about 40 to 50 days in comfortable indoor temperatures. The full life cycle from egg to adult takes only around a week, so populations build fast. Warmth speeds everything up, while cooler rooms slow development and can shorten how long the adults survive.

Dust mites (genus *Dermatophagoides*) are microscopic arachnids, relatives of spiders and ticks, that live in household dust. They feed on the tiny flakes of dead skin people and pets shed. Too small to see, they cluster in bedding, upholstery, and carpet, and their waste is a common indoor allergy trigger.

Yes. You can handle much of your own pest control, especially prevention and minor infestations of common pests like ants, fruit flies, or the occasional spider. Sealing entry points, cleaning up food and moisture, and using baits and traps go a long way. Larger, hidden, or health-related problems are better left to a licensed professional.

No. Mothballs are not an effective or approved way to keep mice (*Mus musculus*) away. The small amount of naphthalene vapor they give off rarely bothers mice, and scattering them loose around the house is a misuse of the product. Sealing entry points and setting traps are far more reliable.

In the wild, house mice (*Mus musculus*) usually live less than a year, often just a few months, because of predators, weather, and scarce food. In a protected setting like a home, or as pets, mice can live one to two years, or occasionally longer, when food, warmth, and shelter stay steady.

House mice (*Mus musculus*) generally live about one to two years, but lifespan depends on their surroundings. In the wild, most survive only a few months to a year because of predators and harsh conditions. Indoors, with steady food and shelter, they tend to live toward the longer end of that range.

Yes. Mice (*Mus musculus*) are excellent climbers and can scale many vertical surfaces. Their small claws grip rough materials like brick, wood, stucco, and drywall, letting them run up walls and along wires with ease. Smooth surfaces such as glass or polished metal are much harder for them to climb.

Rats are omnivores and will eat almost anything people do. The Norway rat (*Rattus norvegicus*) and roof rat (*Rattus rattus*) eat grains, seeds, fruit, vegetables, meat, pet food, and kitchen scraps. Around homes they scavenge garbage, garden produce, birdseed, and spilled food, and they need a regular water source.

Like most animals, rats need three basic things: food, water, and shelter. The Norway rat (*Rattus norvegicus*) eats almost anything, needs water regularly, and nests in warm, hidden spots close to those resources. Remove or limit any one of these, especially easy food and safe harborage, and an area becomes far less attractive to rats.

For most mosquito bites, over-the-counter options ease itching: a cold compress, calamine lotion, hydrocortisone cream, or an oral antihistamine. Wash the area, avoid scratching, and the bite usually fades within days. If you have a severe reaction, signs of infection, or many bites, contact a doctor for guidance.

Several plants are marketed as mosquito-repelling, including citronella grass (*Cymbopogon*), lemongrass, lavender, marigolds, basil, catnip, rosemary, and peppermint. Their aromatic oils can mask the scents mosquitoes use to find you, but simply planting them offers limited protection. Crushing the leaves releases the oils for a stronger, though still modest and short-lived, effect.

Yes, Dawn dish soap can kill adult fleas (mostly the cat flea, *Ctenocephalides felis*) on contact by cutting through their waxy coating so they drown in the bathwater. But it only works during the bath. It leaves no lasting residue and does nothing to the eggs and larvae in your home, so it is not a real flea-control solution.

Jigger fleas (*Tunga penetrans*), also called chigoe or sand fleas, are tiny parasitic fleas of tropical Africa, the Caribbean, and Central and South America. A pregnant female burrows into the skin, usually on the feet, causing a painful, itchy lesion called tungiasis. They are not established in the continental United States.

It depends heavily on the species and life stage. Many ticks survive several months between meals, and hardy hard ticks such as the blacklegged tick (*Ixodes scapularis*) can last well over a year in cool, humid conditions. Dry indoor air is far harder on them, and a tick indoors usually dies within days to a couple of weeks.

Lone star ticks (*Amblyomma americanum*) are found mainly across the southeastern and eastern United States, with a range that keeps expanding north and into the Midwest. They favor wooded areas with dense underbrush and are common where white-tailed deer live. The adult female is marked by a single white dot on her back.

Opossums (*Didelphis virginiana*) do groom off and eat some ticks that latch onto them, but the popular claim that one opossum destroys thousands of ticks a week traces back to a single lab study and is now questioned by researchers. Opossums are still useful backyard neighbors, and in many states they are protected wildlife.

It ranges from weeks to years depending on the tick. Hard ticks such as the blacklegged tick (*Ixodes scapularis*) commonly survive months to over a year unfed in humid habitats, while soft ticks can last even longer. Indoors, dry air usually kills a stray tick within days to a couple of weeks.

A silverfish (*Lepisma saccharina*) is a small, wingless insect named for its silvery scales and quick, fish-like wriggle. It has a teardrop-shaped body and three long tail filaments. Silverfish prefer dark, humid spots and feed on starchy materials like paper, glue, and cereal. They are a nuisance but harmless to people.

No, silverfish (*Lepisma saccharina*) do not bite people or pets. Their small, weak mouthparts are made for scraping soft, starchy materials like paper and glue, not skin. They are not venomous and do not spread disease. Silverfish matter mainly because they can damage books, wallpaper, and stored papers, not because they harm you.

No, dust mites (genus *Dermatophagoides*) do not bite. They are microscopic and feed on flakes of shed human and pet skin, not on living tissue or blood. Skin and breathing reactions blamed on dust mites are allergic responses to proteins in their droppings, not bite marks. Real bites usually come from fleas, bed bugs, or other pests.

Cockroaches such as the German cockroach (*Blattella germanica*) are drawn to three things: food, water, and shelter. Crumbs, grease, garbage, and pet food supply meals; leaks, drains, and damp spots provide moisture; and clutter, cracks, and warm hidden spaces offer harborage. Cutting off these attractants is the most effective first step.

It depends on the species. Most pest cockroaches live several months to about a year as adults. A German cockroach (*Blattella germanica*) typically survives a few months, while the larger American cockroach (*Periplaneta americana*) can live a year or more. Roaches also endure weeks without food and about a week without water, which helps them persist indoors.

Bleach can kill a cockroach if the insect is fully submerged or thoroughly drenched, but it is a poor pest-control method. Roaches like the German cockroach (*Blattella germanica*) avoid its smell, it leaves no lasting effect, and it cannot reach the hidden nests and egg cases that sustain an infestation. Baits and sanitation work far better.

Yes, ants have brains. Each ant carries a tiny but capable brain of roughly a quarter-million neurons that runs its senses, movement, and behavior, plus a nerve cord with clusters called ganglia along the body. One ant's brain is small, but a whole colony acts collectively through chemical signals, solving problems no single ant could.

Yes, carpenter ants (*Camponotus*) can bite. They have strong jaws and may pinch if handled or defending the nest, and larger workers can break the skin. A bite can sting briefly, and they may spray formic acid into the wound, but they are not venomous and bites are usually minor. The bigger concern is the damage they do to wood.

Vinegar does not reliably kill ants, but it is still useful. A vinegar-and-water solution (dilute acetic acid) can kill a few ants on direct contact and, more importantly, wipes away the pheromone trails ants follow to your food. It will not eliminate the colony or the queen, so treat it as a cleanup aid, not a cure.

"White ants" is a common nickname for termites, which are not actually ants. Termites such as the subterranean termite (*Reticulitermes*) can bite, and soldier termites have strong jaws to defend the colony, but they rarely bite people and any bite is harmless, with no venom. The real concern is the serious damage termites do to wood.

Yes, mosquitoes can and do bite dogs. Areas with thinner fur, such as the ears, nose, and belly, are common targets. Beyond the itchy welt, the real reason bites matter is that mosquitoes can transmit heartworm disease (*Dirofilaria immitis*) to dogs. Ask your veterinarian about year-round heartworm prevention to protect your pet.

Many animals eat mosquitoes as part of a varied diet. Birds, bats, dragonflies, spiders, frogs, and lizards eat adult mosquitoes, while fish such as mosquitofish (*Gambusia*), dragonfly larvae, and aquatic insects eat mosquito larvae in water. No single predator wipes them out, but together these animals help keep mosquito numbers in check.

Ecologically, mosquitoes play several roles. Their larvae are food for fish and aquatic insects, and adults feed birds, bats, and dragonflies. Many adult mosquitoes also drink nectar and can pollinate plants along the way. They are a nuisance and can spread disease, but they are woven into many food webs.

Most of the time, mosquitoes eat sugar, drinking nectar from flowers and plant juices for energy. Only female mosquitoes bite, and they seek blood not as food but for the protein needed to produce eggs. Mosquito larvae, meanwhile, filter-feed on microorganisms and organic matter in standing water.

Wasps sting rather than bite, so what people call a "wasp bite" is almost always a sting. It usually looks like a raised red bump or welt with a tiny puncture at the center, surrounded by swelling that feels warm and tender. Most reactions are mild, but some people are allergic and need urgent care.

Yes, wasps can pollinate. Many adult wasps drink flower nectar, and as they move between blooms they carry pollen from flower to flower, much like bees. Some plants, including figs and certain orchids, depend on specific wasp species to reproduce. Wasps are generally less efficient than bees but still ecologically valuable.

A wasp sting usually appears as a red, raised welt with a tiny puncture at the center. Swelling around it feels warm and tender. Reactions range from a minor bump to a larger swollen patch over a day or two. Spreading hives, or swelling of the face or throat, signal a serious allergic reaction that needs emergency care.

Adult gnats are short-lived, often surviving only about one to two weeks. But "gnat" covers several tiny flies, and their full egg-to-adult cycle also runs just a couple of weeks. Because they breed quickly and generations overlap, a gnat problem can seem endless even though no single gnat lives very long.

Cockroach droppings vary with the roach's size. Small species like the German cockroach leave tiny black or brown specks resembling ground pepper or coffee grounds. Larger roaches like the American cockroach leave cylindrical droppings with blunt ends and ridges. Finding these in cabinets, drawers, or pantry corners usually signals an active infestation nearby.

Peppermint oil is a popular home remedy, but it will not get rid of an existing mouse problem. Its strong smell may briefly discourage a house mouse, yet the scent fades fast and hungry mice usually ignore it. It cannot remove mice already nesting indoors. Sealing entry points and trapping are far more effective.

Peppermint, whether as the plant, an oil, or a spray, is not a reliable way to get rid of mice. The scent might mildly bother a house mouse at first, but it fades quickly and will not drive out mice that already have food and shelter indoors. Exclusion, sanitation, and trapping remain the dependable methods.

Peppermint oil may have a mild, temporary repellent effect on a house mouse because of its strong smell, but the effect is limited and does not last. It might make a spot briefly less appealing, but it will not reliably keep mice away on its own. Sealing entry points is the real deterrent.

It depends on the wasp's role. Worker wasps of social species like yellowjackets and paper wasps usually live only a few weeks. A queen can live about a year, surviving winter to start a new colony in spring. Males die soon after mating, and most colonies die off by late fall.

Wasps primarily sting. They use the stinger at the tip of the abdomen to inject venom, and they can sting repeatedly. Species like yellowjackets can also bite with their jaws, mainly to grip prey or defend the nest, but bites are minor. For people, the sting is what causes the pain and any allergic reaction.