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Not sure what bug you found? Browse 108 household pest guides — appearance, danger level, signs, and prevention. Upload a photo to identify a pest → · Find local pest control →

All categoriesAnts (17)Bed Bugs (1)Birds (3)Cockroaches (4)Fleas (3)Flies (5)Lice (1)Mites (2)Mosquitoes (3)Nuisance Wildlife (8)Occasional Invaders (16)Other Pests (2)Rodents (4)Spiders (13)Stinging Insects (11)Stored Product Pests (4)Termites (5)Ticks (6)clear

Pest	Category	Danger	Size	Region	Signs	At a glance
Acrobat Ants	Ants	low	Workers average 1/8” (3.2 mm) in length	All	The most obvious sign of an acrobat ant infestation is the presence of actual ant trails on wires, utility lin	Acrobat ants get their common name from their ability to acrobatically raise their abdomen over their thorax and head, especially when disturbed.
Africanized ("Killer") Bees	Stinging Insects	high	1/2	Arizona, California, Texas, Nevada, New Mexico	Because Africanized honeybees look so similar to European honeybees, contacting a licensed pest control profes	The Africanized bee is a hybrid species of the Western honey bee.
American Cockroaches	Cockroaches	high	Adults may range between 1 1/4” to 2 1/8”	American cockroaches are found worldwide	There are four telltale signs of an American cockroach infestation. First, homeowners will see the fast-moving	The American cockroach is the largest of the house-infesting roaches and a major pest in the United States.
American Dog Ticks	Ticks	high	3/16” (5 mm) unengorged, 5/8” (15 mm) engo	Found throughout the U.S., except the Rocky Mountains area	If an American dog tick has bitten either a household member or a pet, you may have cause for concern. Additio	Also known as the wood tick, the American dog tick gets its name from the fact that adult ticks prefer to feed on domestic dogs, coupled with the tick species being found only in N
Argentine Ants	Ants	low	1/16" - 1/4"	Mainly Southeastern U.S. States	The most common sign of an Argentine ant infestation is witnessing the trails of ants, often traveling up buil	Argentine ants are an invasive species originally native to Argentina, Uruguay, Paraguay, Bolivia and southern Brazil.
Asian Longhorned Ticks	Ticks	high	Longhorned ticks grow to the size of a pea	Northeast and Southeast United States		The Asian longhorned tick is a newer species of tick found in the United States.
Asian Tiger Mosquitoes	Mosquitoes	high	About 1/8” (2-10 mm)	All, but primarily the southern regions	Signs of mosquito activity include the buzzing of the females and presence of their bites on the skin, which p	Asian tiger mosquitoes, also known as forest mosquitoes, are an exotic species that get their "tiger" name from the single white stripe down the center of their head and back.
Assassin Bugs	Occasional Invaders	low	Adults ½” to ¾”, can be up to 1 ½”	Typically encountered in the southern United States, predominantly in Arizona, California,	Assassin bugs prefer to spend their time where they are more likely to find plenty of insects to feed on. Ther	Assassin bugs are predatory insects that feed on other bugs.
Bald-faced Hornets	Stinging Insects	high	1/2 – 5/8” (12-15mm); queen 3/4” (18-20mm)	Found throughout U.S.	You will most easily recognize a bald-faced hornet infestation by the presence of a nest, likely suspended abo	Did you know the bald-faced hornet is not actually a hornet? It’s a relative of the yellowjacket and other wasps.
Bats	Nuisance Wildlife	medium	Adult bats average 2 3/16” to 7 ½” (5.5cm	All, with the exception of colder regions beyond the limit of tree growth		Bats are nocturnal, flying animals that are known for inhabiting dark and secluded locations.
Bed Bugs	Bed Bugs	medium	Adults are 1/4 inch long. Nymphs range fro	Found throughout U.S.	Bed bugs often enter homes by latching onto clothing, suitcases, boxes, shoes and other items. Once inside, th	Bed bugs are small, brownish-red bugs famous for dwelling in beds and feeding on humans while they sleep.
Black Widow Spiders	Spiders	high	1 ½ - 1 3/8 inches long	Found throughout U.S.	One of the most obvious signs of a spider infestation is the presence of webs in the home or on the property.	Black widow spiders get their common name from the popular belie f that the female eats the male after mating, a phenomenon which rarely happens in nature.
Blacklegged (Deer) Ticks	Ticks	high	1/8 "	Found primarily in the northeastern, mid-Atlantic, southeastern and north central regions	The most common sign of a blacklegged tick problem is spotting one in your yard, on your body, or on your pet.	The blacklegged (deer) tick is a notorious biting arachnid named for its dark legs.
Boxelder Bugs	Occasional Invaders	low	1/2” (11-14 mm)	All	Boxelder bugs generally become a problem when they invade homes, sheds and garages in the fall and when they e	Boxelder bugs get their common name from the fact that they are often found on and around boxelder trees.
Brown Dog Ticks	Ticks	high	1/8” (3 mm) unengorged; 1/2” (12 mm) engor	Found throughout the U.S.	The most common sign of a brown dog tick problem is spotting one in your yard, on your body, or on your pet.	The Brown Dog tick gets its common name from its overall reddish brown color , and because it is common ly found on domestic dogs.
Brown Recluse Spiders	Spiders	high	¼ - ½ inch long	Found in the south central Midwest from Ohio to Nebraska and south through Texas to Georgi	Signs of a brown recluse spider infestation mainly include spotting one, or noticing webs in and around the ho	Often identified by a dark brown violin shape on its back, the brown recluse spider is predominantly found in the Midwest and Southeast of the United States.
Brown-Banded Cockroaches	Cockroaches	high	1/2" long	Found throughout U.S.	Brown-banded cockroach infestations can be hard to spot. The main indicator of their presence is the droppings	Brown-banded cockroaches are a small species of invasive cockroach es .
Bumble Bees	Stinging Insects	medium	1"	Found throughout U.S.		Bumble bees are considered a beneficial insect because they pollinate crops and plants, however, they can sting.
Camel Crickets	Occasional Invaders	low	½”- 1 ½” (13-33 mm)	All		Camel crickets get their common name from their humpbacked appearance, which is similar to that of a camel.
Carpenter Ants	Ants	medium	5/8"	Throughout U.S., most common in the North	The main signs of a carpenter ant infestation in the house are small openings on the surface of wood. Through	The first appearance of winged males in a home often causes homeowners great concern, as it signifies that ants are living inside the house.
Carpenter Bees	Stinging Insects	low	1/4 - 1 inch long	Found throughout the U.S.	The most common signs of a carpenter bee infestation are the round, smooth holes that carpenter bees bore into	Carpenter bees get their common name from their habit of boring into wood.
Cat Flea	Fleas	medium	1/8” (2.5 mm) long	Found throughout the United States	Fleas are relatively easy to see in their adult stage; therefore, seeing actual fleas is the most obvious sign	Fleas are parasites that feed on the blood of any warm-blooded body.
Centipedes	Occasional Invaders	low	1/8 – 6” (4-152 mm)	Found throughout U.S.	Centipedes typically leave no direct signs of an infestation other than the sighting of the pest itself.	Centipedes are sometimes called house centipedes or "hundred-leggers" because of their many pairs of legs.
Chicken Mites	Mites	medium	1/32” (0.75-1+ mm)	Found throughout U.S.	Although these small mites may be difficult to spot, seeing them near nests or in structural crevices is a cle	Chicken mites , sometimes called bird mites , get their common name because they live on the skin of a wide variety of birds, but especially chickens.
Conehead Termites	Termites	high	3 - 4 mm	Broward County, Fla.	Seeing a nest or the termites themselves are the primary indications of an infestation . Conehead termites are	Originally known as the “tree termite,” the conehead termite thrives by feasting on wood.
Confused Flour Beetle	Stored Product Pests	low	1/8 inch	Northern regions of the United States	If a confused flour beetle infestation goes unchecked, these pests can quickly multiply and spread throughout	The confused flour beetle ( Tribolium confusum ) is a tiny reddish-brown insect that often sneaks into pantry staples like flour, cereal, dried pet food, and nuts.
Crab Spiders	Spiders	low	1/10” – ½”	Everywhere except desert regions	Crab spiders much prefer outdoor areas to being indoors. If you suspect a crab spider is nearby, you should fi	Crab spiders are a group of spiders that get their name from holding their front two pairs of legs out to the side, like the way a crab holds its claws.
Crane Fly	Flies	low	NEED	NEED	Crane fly infestations are determined by the sight of this pest.	Crane flies, sometimes called “mosquito hawks” or “mosquito eaters”, are large insects that are often mistaken for giant mosquitoes due to their long legs and slender bodies.
Culex Mosquitoes	Mosquitoes	high	1/4 - 3/8 inch long	Found throughout U.S.		M osquito es are one of the most bothersome summertime pests .
Dampwood Termites	Termites	high	1/2" - 5/8 inch long	Found throughout the pacific coastal and adjacent states, the desert or semi-arid southwes	Dampwood termites are hard to spot , since they hide to prevent moisture loss. But common signs of a dampwood	As their name suggests, dampwood termites, are a termite species that infest damp and sometimes decaying wood with high moisture content.
Deer Mice	Rodents	high	5 to 8 inches long	Found throughout U.S.	If you notice any of these signs, inspect your property promptly to determine whether deer mice are present.	Deer mice are a species of rodent that get their name because their fur closely resembles that of a deer, but don’t be fooled by this deceptively cute rodent.
Dog Flea	Fleas	medium	1/8”	Found throughout the United States	Seeing an actual flea is the most obvious sign of an infestation. Observing a dog excessively scratching, seei	Fleas are common parasites that feed on the blood of warm-blooded bod ies .
Drywood Termites	Termites	high	3/8 to 1 inch long	Primarily found coastally from South Carolina westward to Texas and up the west coast of C	Because they live in the wood they excavate, it can be difficult to identify when drywood termite treatment is	Drywood termites are a termite species known for thriving in hard, dry wood found inside a home.
Earwigs	Occasional Invaders	low	1	Found throughout U.S.		An earwig is a type of bug that gets its name from the old European myth that they crawl into people’s ears and tunnel into their brains while they are sleeping.
European Hornet	Stinging Insects	high	3/4 – 11/2” (18-38 mm)	Found in 31 states, from the eastern seaboard west to the Eastern Dakotas and south throug	Seeing large worker European hornets is a sign of infestation. Nests in common areas such as hollow trees, att	The European hornet, also called giant hornet or the brown hornet, gets its common name from its introduction from Europe into the New York area in the 1800s.
European Starlings	Birds	medium	7.5-8.5” (19-22 cm) long	Found throughout the United States		European s tarlings were introduced from Europe into New York in the late 1800s, as part of an attempt to bring animals that were mentioned in Shakespeare's work to America.
Field Ants	Ants	low	1/8-3/8” (3-9mm)	Found throughout the United States	The most obvious sign of a field ant infestation is the activity of workers. Additionally, distinct mounds com	Also known by many other names such as thatching ants, red ants and wood ants, the field ant gets its name from its preference for nesting outdoors.
Fishing Spider	Spiders	low	1/4 – 1/2” (male); 3/5 – 1” (female)	Found throughout the U.S.		Fishing spiders (also known as fisher spiders) get their name due to their unique hunting style.
Fleas	Fleas	medium	1/12 to 1/6-inch long	Found throughout U.S.	There are many signs of a flea infestation but the most common include scratching, hair loss and red bumps. Yo	Fleas are small, flightless parasites that feed on the blood of various warm-blooded animals, depending on the species, and can transmit diseases to their host.
Flying Squirrels	Nuisance Wildlife	medium	Usually the head and body is about 5 ½” to	Flying squirrels are found throughout the eastern United States and Eastern Canada, west t	Gnaw marks in wires, insulation and walls may indicate a flying squirrel infestation. The presence of dropping	Flying squirrels are small tree squirrels.
Formosan Termites	Termites	high	1/2 inch in length	Found in Hawaii, North Carolina, South Carolina, Georgia, Mississippi, Texas, Louisiana, A	There are a few red flags signaling a Formosan termite problem. The first sign that an area is infested with F	Formosan termites are a subterranean species of termite with three distinct castes: alates (or reproductive), soldiers and workers.
Fruit Flies	Flies	low	1/8 of an inch	Found throughout U.S.	Fruit flies are often seen flying around in kitchens or trash cans near the rotting or decaying fruit and prod	Fruit flies are a type of fly found throughout the United States that often infest homes containing ripe, rotting, or decayed fruit and produce.
German Cockroaches	Cockroaches	high	½”-5/8” long	Found throughout the United States	German cockroaches prefer to live in warm, humid places close to food and moisture sources. They are frequentl	The German cockroach is the most common cockroach species found worldwide .
Ghost Ants	Ants	low	Workers about 1/16” (1.3-1.5 mm) long	Found in many areas of the United States, Puerto Rico, Canada and the Caribbean Islands		Ghost ants get their common name from the fact that they are very hard to see due to their pale color and tiny size.
Giant Water Bugs	Other Pests	low	2” to 4”	Found throughout the United States and North America	Because giant water bugs live in bodies of water, they are not usually found inside the home. Infestations may	Giant water bugs, commonly nicknamed toe-biters, sewer cockroaches, and electric light bugs, are large, predatory insects found in slow-moving bodies of water.
Gnats	Flies	low			Gnats aren’t sneaky, so you’ll certainly know if you have them. More specifically, if you have a fungus gnat i	Gnats are tiny, winged insects that belong to the same insect order as mosquitoes, flies, and maggots.
Grass Spider	Spiders	low	½” to ¾” (excluding legs); males are sligh	They are native to North America and can be found throughout natural and manmade habitats		As their name suggests, grass spiders are frequently found in grassy areas but sometimes make their way indoors searching for food.
Groundhogs	Nuisance Wildlife	medium	The head and body averages 16” to 20” (40	Northeastern and central United States		Groundhogs are also referred to as woodchucks or whistle pigs.
Harvester Ants	Ants	low	¼ - ½” (4.7-11.5 mm)	West of the Mississippi River and Florida	Harvester ant nests are easy to locate by looking for bare soil areas. Mounds should be treated during the hot	Harvester ants get their common name from their behavior of collecting or harvesting seeds as their primary food source.
Hobo Spiders	Spiders	medium	1 – 1 and 3/4” (40-50 mm) in diameter, inc	Common in the northwestern U.S.; appears to be expanding its range		The common name for the hobo spider comes from its presumed method of expanding its distribution by hitching rides with humans along major highways in the Pacific Northwest.
Honey Bees	Stinging Insects	medium	1/2	Found throughout U.S.		Honey bees get their common name from the honey they make using the nectar of flowers.
Horse Flies	Flies	medium	About 3/8 - 1 and 1/8” (10-30 mm) long	Found throughout North America		The horse fly is a type of fly that likely received its common name because it is a notorious pest of horses and other mammals.
House Crickets	Occasional Invaders	low	3/4 – 7/8” (16-22 mm)	All	The most obvious sign of a house cricket infestation is the presence of crickets in the home. They are drawn t	House crickets get their common name from the fact that they often enter houses where they can survive indefinitely.
House Dust Mites	Mites	medium	1/75th of an inch	Found throughout U.S.		House dust mites have received much attention in the early 1990s and again recently.
House Flies	Flies	medium	Adults are about 1/8-1/4” (4-7.5 mm) long	Found throughout U.S.	The most common sign of a house fly infestation is the presence of the flies, themselves. Larvae may also be s	The house fly is the most common fly found in and around homes.
House Mice	Rodents	high	2 1/2 - 3 3/4" long	Found throughout U.S.	There are a handful of ways to tell if house mice have made your home their own, including the following tellt	The house mouse is the most commonly encountered and economically important of the commensal rodents.
House Spiders	Spiders	low	3/16 – 5/16“ (female) 1/8 – 3/16” (male)	Found throughout U.S.	Signs of house spider infestations include seeing the spider and its webs. A house spider control professional	Adult female house spiders have an almost spherical abdomen and are roughly 3/16-5/16" (5-8 mm) in length.
Human Lice	Lice	medium	Adults are small, about 1/16-1/8” (2-4.2 m	Found throughout the United States		Lice are wingless parasites that feed on blood.
Indian Meal Moths	Stored Product Pests	low	5/8"	Found throughout U.S.		The Indian meal moth was given its name after an insect scientist found it feeding on corn meal, also known as Indian meal.
Joro Spiders	Spiders	low	The female Joro spider size can be up to 4	Georgia, spreading to Southeast U.S. states	The large elaborate Joro spider webs and bright colored females are a sure sign of the spiders’ presence.	Joro spiders are an invasive species that was first discovered in Georgia in 2014 and has since spread to several counties.
Jumping Spiders	Spiders	low	Adult body length about 1/8 – ¾” (4-18 mm)	Found throughout the United States	The most common sign of a jumping spider infestation is seeing the spider itself. Jumping spiders will usually	Jumping spiders are a type of spider that gets its common name from its ability to jump, which it uses to catch prey.
Kissing Bugs	Other Pests	low	Adults ½”-1” (14-24 mm) long	Various species have been found in the southern United States, Mexico, Central America and		Unlike their loving name, kissing bugs are a type of pest called a reduviid bug, known to bite and suck blood from their victim's face (as well as other body parts).
Ladybugs	Occasional Invaders	low	1/31 – 3/8” (0.8 - 10 mm)	All		Ladybugs are also known as lady beetles or ladybird beetles.
Leafcutting Ants	Ants	low	1/16”-1/2” (1.5-12mm)			Leafcutting ants get their name from their habit of cutting leaves into small pieces.
Little Black Ants	Ants	low	1/16” (1.5-2mm)	Found throughout the United States, especially in the eastern region, in the southern half		The little black ant gets its common name from its very small size and black coloration.
Lone Star Ticks	Ticks	high	Females are 1/6-1/4” (4-6 mm) un-engorged	West central Texas northward to northern Missouri and eastward from Maine to the southern	The lone star tick does not survive indoors. If found indoors, it was probably carried in on a pet or humans a	The lone star tick gets its name from the single silvery-white spot located on the female's back.
Long-bodied Cellar Spiders	Spiders	low	¼-3/8” (6-9mm)	Found throughout U.S.		Cellar spiders are a species of spider belonging to the group of animals known as “arachnids .” There are both long-bodied as well as short-bodied cellar spiders .
Longhorn Crazy Ants	Ants	low	1/16 – 1/8” (2.2 – 3.0 mm)	All		Longhorn crazy ants get their common name from the workers' habit of running in an erratic, jerky manner when searching for food.
Mayflies	Occasional Invaders	low	1/32 of an inch to a little over 1 inch	Found throughout U.S.		Despite their name, m ayflies are not actually flies .
Merchant Grain Beetles	Stored Product Pests	low	1/10	Found throughout U.S.		Merchant grain beetles are typically not found in grain products, but instead like to attack cereals, cake mixes, macaroni, cookies and chocolate.
Millipedes	Occasional Invaders	low	1/16 – 4½ ” (2-155 mm)	Found throughout U.S.		Millipedes are sometimes called "thousand-leggers" because of their many pairs of legs, but they can actually have anywhere from 30-90+ pairs of legs, depending on the species.
Mud Dauber Wasps	Stinging Insects	high	1/2 – 1+” (12-25+ mm)	Found throughout U.S.	Finding a nest is the most common sign of a mud dauber infestation. If the nest has holes, it may indicate tha	Mud dauber is a common name for a wasp that constructs its nest of mud.
Northern Giant Hornet	Stinging Insects	high	1 1/2 – 2” (35-50 mm)	Native to East and South Asia, but recently sighted in the Pacific Northwestern U.S.		Northern giant hornets, often referred to as Asian giant hornets, are the largest known hornet species in the world.
Norway Rats	Rodents	high	7-9 ½ inches long	Found throughout U.S.	There are several telltale signs that a home has a Norway rat infestation. Gnaw marks throughout the house are	The Norway rat commonly referred to as the street or sewer rat, is believed to be of Asian origin, arriving in the U.S.
Odorous House Ants	Ants	low	1/16" - 1/8"	Found throughout U.S.		The odorous house ant gets its name from the strong, rotten coconut-like smell it gives off when crushed.
Opossums	Nuisance Wildlife	medium	Up to 40 inches in length, generally about	Found in eastern, central and west coast regions of the U.S.		Opossums are the only marsupial found in North America.
Orb Weaver Spiders	Spiders	low	Mature adults can range anywhere from 1.5-	Everywhere except the Artic and Antarctica	The clearest sign of an orb weaver spider infestation is their large webs. Observable to the naked eye, these	Orb weaver spiders, often referred to as orb weavers, are a type of arachnid named for the circular (orb) shape of the webs they create.
Oriental Cockroaches	Cockroaches	high	1" long	Northern regions of the United States	There are three telltale signs of an oriental cockroach infestation: sightings, egg capsules and odor.	Believed to be of African origin despite its name, the o riental cockroach is one of the larger species of cockroach.
Paper Wasps	Stinging Insects	high	5/8 – 3/4” (16-20 mm)	Found throughout U.S.	Paper wasps often build nests in residential yards, so one of the main signs of an infestation is the physical	Paper wasps get their common name from the paper-like material out of which they make their nests.
Pavement Ants	Ants	low	1/8"	Found throughout U.S.		Pavement ants get their name because they make nests in or under cracks in pavement.
Periodical Cicadas	Occasional Invaders	low	Range from ¾ in. up to 2 ¼ in.	Northeastern United States	Periodical cicadas are hard to miss, as they typically appear in the hundreds or thousands per acre.	Periodical cicadas , sometimes referred to as 1 7 -year cicadas , are large, flying insects that are known for the loud buzzing noise that males make to attract female mates.
Pharaoh Ants	Ants	low	1/16” (1.5 – 2.0 mm)	All		Pharaoh ants get their name from the mistaken belief that they were one of the plagues of Egypt during the time of Pharaohs.
Pigeons	Birds	medium	Up to about 11 inches; weight up to about	Found throughout U.S.		Pigeons, also known as Rock Doves, are monogamous and will lay one to two eggs which hatch within eighteen days.
Pillbugs	Occasional Invaders	low	3/4"	Found throughout U.S.	Pill bugs typically enter buildings through door thresholds, especially homes with sliding-glass doors on the	The pill bug, sometimes referred to as "rollie pollies", is the only crustacean that has become completely adapted to spending its life on land.
Prairie Dogs	Nuisance Wildlife	medium	Adult black-tailed prairie dogs are 14” to	Great Plains	Prairie dogs graze to provide a clear view of their surroundings and improve their ability to detect predators	Prairie dogs are stocky, burrowing rodents that live in colonies called towns.
Pyramid Ants	Ants	low	1/16-1/8” (1.5-3 mm)	Found throughout the United States, but are most common in the southern states	While both dead and living pyramid ants can signal an infestation, their volcano-shaped mounds will indicate t	The pyramid ant gets its common name from the pyramid shaped structure on top of the thorax.
Raccoons	Nuisance Wildlife	medium	About 2 – 3 feet in length	Found throughout the U.S.	The key signs of a raccoon infestation are both visual and audible. Damage to a home’s insulation, wood, shing	Raccoons are mammals that are rarely seen during the day because of their nocturnal habits.
Red Flour Beetle	Stored Product Pests	low	1/8 inch	Southern regions of the United States		The red flour beetle ( Tribolium castaneum ) is a tiny, reddish-brown insect that commonly feeds on stored food products like flour, cereals, dry pet food, and pasta.
Red Imported Fire Ants	Ants	high	1/8-3/8	Southern United States, from Maryland to Texas, California and New Mexico		Red imported fire ants (RIFAs, for short) get their common name from their ability to inflict painful bites and stings.
Rocky Mountain Wood Ticks	Ticks	high	1/8” (3.2 mm) un-engorged; 5/8” (16.5mm) e	Rocky Mountain states		The Rocky Mountain wood tick gets its name from its primary distribution being in the Rocky Mountain states, such as Colorado, Idaho and Montana, amongst others.
Roof Rats	Rodents	high	16" total (6-8" body plus 6-8" tail)	Coastal states and the southern third of the U.S.	There are many key indicators of a roof rat infestation in the home. First and foremost, seeing an actual rode	The roof rat is the smaller of the two commensal rats, as the Norway rat is larger in size.
Scorpions	Occasional Invaders	high	2-4” (20-100 mm)	Arid southwest and southern part of the United States		Scorpions are nuisance pests that are closely related to spiders, mites and ticks.
Silverfish	Occasional Invaders	low	¾ inches	Found throughout U.S.	Looking to prevent or get rid of a silverfish infestation? The key to silverfish control is thoroughly inspect	Silverfish get their name from the bug’s silvery, metallic appearance and fish-like shape and movements.
Spotted Lanternfly	Occasional Invaders	low	Adults are approximately 1” long ½” wide a	Pennsylvania, New Jersey, Delaware and Virginia		The Spotted Lanternfly is a relatively new invasive species to the United States.
Springtails	Occasional Invaders	low	1/16"	Found throughout U.S.		Springtails are tiny critters that get their unique name from their ability to hop around, which resembles an action similar to that of fleas .
Stink Bugs	Occasional Invaders	low	3/4" long	Found in the eastern half of the U.S., as well as California, Oregon, Washington, Arizona,	Homeowners often find stink bugs inside during the late summer months as well as autumn, when temperatures out	The brown marmorated stink bug (BMSB) earned its name from its tendency to release an odor when disturbed or when crushed.
Subterranean Termites	Termites	high	1/8 inch long	Found throughout the U.S.	Subterranean termite infestations can occur on the inside or exterior of the home. There are several telltale	S ubterranean termite s can cause the most damage of any termite species.
Thief Ants	Ants	low	1.5 mm - 2.2 mm long – one of the smallest	Throughout most of the United States	Although thief ants are very small, their infestations are noticeable. Homeowners may be able to see a trail o	Thief ants are one of the smallest household ants.
Tree Squirrels	Nuisance Wildlife	medium	Head and body is 6-15” and tail is 4-14”	Found throughout the Unites States		Tree squirrels get their common name from the fact that they are found in wooded and urban areas with trees.
Velvet Ants	Stinging Insects	high	1/8 – 7/8” (3-23 mm)	Found throughout U.S.		Although commonly referred to as the cow killer ant or red velvet ant, this insect is actually a wasp.
Voles	Nuisance Wildlife	medium	4 – 8 ½ inches in length, depending on the	Found in most regions of the U.S. except the Plains and southern-most states.		Voles, also called meadow mice or field mice, are rodents with small eyes and partially hidden ears.
White-footed Ants	Ants	low	1/8” (2.5-3 mm) long		White-footed ants infest both urban and rural habitats, as they spread to other areas through commerce, such a	White-footed ants get their common name from their very light-colored feet.
Wolf Spiders	Spiders	low	3/8 – 1 3/8“ (female) 1/4 – 3/4“ (male)	Found throughout U.S.		Unlike most spiders, wolf spiders don't hunt with webs.
Woodlouse Spider	Spiders	low	1/3” (male); 1/2” (female)	Found throughout the U.S.	Common signs of a woodlouse spider infestation include seeing the spider itself along with their tent-like web	The woodlouse spider, sometimes referred to as “woodlouse hunter spider,” gets its name after its prey, woodlice.
Woodpeckers	Birds	medium	7-15” in length	Found throughout the U.S.		The woodpecker is a type of bird that gets its common name from its habit of routinely peck ing wood for food , shelter and attracting mates.
Yellow Ants	Ants	low	Workers are 1/8-3/16” (4-4.5 mm) long	Found throughout the United States		The yellow ant gets its common name from the yellow coloring of its body.
Yellow Fever Mosquitoes	Mosquitoes	high	About 1/8” (2-10 mm)	Primarily found in the southern regions of the United States		Aedes aegypti mosquitoes originated in Africa and were most likely brought to the new world via ships in the early 1900s.
Yellowjackets	Stinging Insects	high	Workers 3/8 to 5/8 of an inch long	Found throughout U.S.		There are several species of yellowjackets.