Insect Identification
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Listing of North American Insects and Spiders

North America is home to hundreds of thousands of insect and spider types - the perfect stage for casual observation, photography, research and education.

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Pictures of Cicada Molting Process
Insect Dichotomous Key
Insect Anatomy
The term 'bug' is often misused to represent all manner of insect (bug refers to an insect that can only use its mouthparts bite or suck). With over 80,000 species categorically identified throughout the world, the term "bug" can no longer apply to insects as a whole.

Insects are both harmful and helpful to humans. As helpful, they pollinate plants or make honey or even keep pest populations under control. As harmful, insects can infect individuals, destroy crops or kill animals. The circle of life, therefore, becomes a complicated formula and one can agree that there is more going on than meets the eye. As such, insects represent a vital part of our active ecosystem which lends the human respect to them.

The InsectIdentification.org database features 262 insects covering those commonly found throughout North America - primarily in the continental United States.

There are a total of 262 insects in the Insect Identification database. Entries are listed below in alphabetical order.

Ailanthus Webworm Moth
The definitive coloring and stripes on this moth make it unique among Webworm Moths. They tuck and roll their wings close to ...
American Bumble Bee
Similar to Golden Northern Bumblebee (Bombus fervidus) but larger; black coloring just behind the wings; 1 to 3 stripes of ye...
American Carrion Beetle
This little beetle has the appearance of a bumble bee at first glance. Adults prefer moist habitats and are active all summe...
American Cockroach
The American Cockroach is actually not native to the United States, instead transplanted through hundreds of years of shippin...
American House Spider
The webs created by Cobweb Spiders are classic Halloween webs: tangled messes in all corners of the attic or windows. It is n...
American Lady Butterfly
This butterfly prefers sunny, open habitats like fields, canyons and meadows. They migrate south for the winter and return...
American Oil Beetle
American Oil Beetles feature a stout abdomen with a shell covering that appears as though a series of overlapping plates. Ant...
American Pelecinid Wasp
The long abdomen ('tail') of the female invokes trepidation among humans. It is acutually used to deposit eggs onto the back...
Ant Mimic Spider
With bodies shaped more like ants, at first glance, it may be difficult to tell that this creature is a spider. The resembla...
Aphids
Tiny and lime-green in color, these insects suck the juice of plants. They are a popular nemesis to gardeners and farmers wh...
Arrowhead Orb Weaver
The triangular abdomen of this spider helped name it. The color pattern is the same within a population. This spider cre...
Arrow-shaped Micrathena Spider
The spiney ridges on females are believed to ward off predators, though some believe it adds to concealment in the web. She w...
Asian Multicolored Lady Beetle
Lady beetles are known to eat aphids, plant-killing insects, thus making them a beneficial insect. The exotic Asian Multicol...
Assassin Bug
The strong beak found on Assassin bugs is used to repeatedly, and violently, stab its prey to death, hence the name. This in...
Augochlora Sweat Bee
The shiny, metallic green color of this bee are unusual. In the warmer Southeast, they may appear more blue or purple. Sw...
Bald-Faced Hornet
Blad-faced Hornets are related to yellow jackets but are not "true" hornets themselves. This species features a rather stout ...
Banded Alder Borer Beetle
Adult beetles are attracted to the smell of paint. The black and white pattern is distinct. Adults are active in the day an...
Banded Garden Spider
This spider builds its web between plants in garden beds. It sits in the center, head down, waiting for prey to ensnare itse...
Basilica Orb Weaver
The colors, pattern and shape of the abdomen make this spider stand out. Their webs are horizontal and dome-shaped. The...
Bed Bug
The body is flat, rusty red color - sometimes purple or even brown (red after feeding). Sizes range from 4mm to 6mm. Antennae...
Big Dipper Firefly
Fireflies are famous for their nighttime displays in the summer. These friendly beetles delight children and adults alike wi...
Black- and-Yellow Garden Spider
Yellow Garden Spiders are from the Argiope genus and a local throughout the United States of America. Commonly found througho...
Black Blister Beetle
Three-segmented body made up of mostly black with reddish-brown legs. Head is slightly larger than second segment with third ...
Black Carpenter Ant
Black Carpenter Ants are relatively large. Known mostly by color, this type of ant also has 1 segement to its waist and a lon...
Black Saddlebags Skimmer
Adults can be found near lakes, ponds and streams. Males alternate between gliding and flapping wings when in flight. Adult...
Black Swallowtail
The black swallowtail mimics the Pipevine Swallowtail on the female with her banding spots. Most of the desert populations...
Black Tail Crab Spider
Crab spiders have long front forelegs that sit more forward on the body. The difference in length between the front and back ...
Black Vine Weevil
This weevil is aknown pest to many plants and usually feeds at night....
Black-Legged Tick
Black-Legged Ticks are a primary carrier of Lyme disease through mice and deer in the Eastern United States. Males appear as ...
Blue Dasher
Blue Dashers are one of the most abundant dragonflies in the U.S. and can be found near slow moving water sources, marshes an...
Blue-Eyed Darner
Highly noticeable thanks to their large size and have a beautiful blue and black coloring. Males exhibit some silver on their...
Blue-fronted Dancer
Dancers flight patterns are not straight-lined; this pond damsel appears to dance, or bounce, along its way. The Blue-fron...
Boll Weevil
Long the bane of cotton farmers, the Boll Weevil as a pest has since come under control to an extent. They have extremely rou...
Bowl and Doily Weaver Spider
The distinct shape of the web created by this species aids in identifying it. The 'bowl' shaped part of the web sits on top ...
Boxelder Bug
Boxelder Bugs commonly congregate alongside homes or trees near a female Boxelder and in full view of the sun. They are ident...
Brown Mantidfly
At first glance, Brown Mantidflies can be mistaken for a wasp. Brown Mantidflies have a long prothorax with mantid-like forel...
Brown Marmorated Stink Bug
The Brown Marmorated Stink Bug is a pest to a large variety of fruit-bearing trees and plants, leaving circular damaged areas...
Brown Recluse
The Brown Recluse spider, also known as the Violin Spider, are generally found throughout southern American states and west t...
Buffalo Treehopper
Easily recognizeable by its greenish-yellow color and its humpback-like appearance. They namesake comes from the fact that th...
Cabbage White Butterfly
The white wings of this species have charcoal gray tips and 1 (male) or 2 (female) black spots in the center of each forewing...
California Timema
Appear an overall green or brown in color with hints of white or pink. They have a rough-looking bumpy exterior and a short s...
California Trapdoor Spider
California Trapdoor Spiders are native to Southern California. In many ways, they resemble smaller versions of tarantulas wit...
Camel Cricket
The Camel Cricket gets its name from the rounded shape of its back. The hump does not aid in water retention. This is n...
Candy-striped Leafhopper
The bold coloration on this species of leafhopper make it unique. When threatened, leafhoppers will cock their hing legs and...
Carolina Grasshopper
Carolina Grasshoppers can be found throughout the entire United States. They eat plants and grass and are good flyers dispite...
Carolina Locust
The Carolina Locust is another in the line of Short-horned Grasshoppers and can be identified by their short antenna and roug...
Carolina Mantis
This is the most common mantis found across North America and comes in a variety of colors and patterns. Their bodies are cle...
Checkered Beetle
A strong banding pattern lends itself to the name of this beetle. Checkered beetles eat other insects: weevils, borer beetle...
Cicada Killer
These solitary wasps rarely sting. They ambush cicadas, oftentimes in mid-air. Even their larvae eat cicadas. Adults als...
Clouded Sulphur
This species can be seen in fields, along roads, in parks and other places with mud and/or flowers. They are very simila...
Clymene Haploa Moth
The bold coloring of this moth distinguish it physically. Behaviorally, it departs from most other moths as well in that it ...
Coffinfly
Similar to their Mayfly counterparts but are tipped with three tail filaments. They are further set apart by their dark-patte...
Comb-Clawed Spider
Comb-clawed spiders are the most common type of house spider in North America. They come in a variety of colors and typically...
Common Green Darner
Common Green Darners are beautiful dragonflies with transparent wings. They are large specimens that are common throughout No...
Common Thread Waisted Wasp
The incredibly thin 'waist' on this wasp led to its name. Adults feed on flower nectar, but larvae are parasitic. Fem...
Common Whitetail Skimmer
This dragonfly usually hovers over standing or slow water. Females release their eggs into the water, near the shore, but di...
Cottonwood Borer
The Cottonwood Borer is part of the larger Long-Horned Beetle family that makes its way throughout the summertime months dest...
Cow Killer
The Cow Killer is not an ant, though it looks like a hairy one. It is actually a wasp with a severely ferocious sting that i...
Cranefly
Though they look like giant mosquitoes, they are not mosquitoes. Craneflies do not bite and they do not have a long proboscis...
Cribellate Orb Weaver
The legs of this spider are hairy and the foremost pair are quite long. They create webs to catch prey, but do not have stic...
Cryptopid Centipede
This lighter colored centipede can be found in the typical haunts of most other centipedes: under rocks, dead wood, leaf litt...
Cuckoo Bee
This sweat bee gets its name from its parasitic behavior. Females change out their own eggs for the eggs of other sweat bees...
Dark Jerusalem Cricket
Dark Jerusalem Crickets are a wingless species common to California. They are rather large for a cricket and have a distinctl...
Darkling Beetle
This beetle walks with its head down and can be found roaming desert areas eating fungi and plant matter. It burrows unde...
Desert Tarantula
Desert Tarantulas are a common sight in the Southwestern states. They generally hide during the day, choosing instead to res...
Devil's Coach Horse
All-black body with no shine and appearing dull in any light. Abdominal segments are easily discernable. The Devil's Coach Ho...
Dobsonfly
Dobsonflies appear to be quite fearsome, having what appears to be tentacle-like appendages for mouth parts. In fact, the mal...
Dog Day Cicada
Seen during the hottest days of the summer, adults have a call that sounds like a circular saw tearing through wood. Lar...
Dogbane Leaf Beetle
Metallic green and coppery hues make this beetle stand out from the rest. Dogbane leaf beetles mate, feed and grow on th...
Eastern Carpenter Bee
Though is looks like a Bumble Bee, the Carpenter Bee does not have a fuzzy abdomen. Females bore into wood, like a carpe...
Eastern Eyed Click Beetle
This species of click beetle has two large black 'eyespots' on its pronotum. They are surrounded by a thin, white ring. Larv...
Eastern Harvestman
Harvestman are not spiders, though they resemble them in many ways. They are relatives of the spider. They do not have ...
Eastern Hercules Beetle
This massive beetle can be found in forests. Despite their size, they still fly. As members of the rhinocerous beetle family...
Eastern Pondhawk
Pondhawks get their name from their predatory behavior. They capture and consume other insects, ones even as large as themse...
Eastern Tent Caterpillar Moth
These moths get their name from their caterpillar behavior. Together, caterpillars create a tent of silk as a 'home' on the ...
Eastern Tiger Swallowtail
Eastern Tiger Swallowtails have a bright tiger-like striping pattern with the males showcasing a mostly-yellow coloring with ...
Edwards Glassy Wing Moth
The wings on this moth shimmer in the light, giving it part of its name. Its pinkish red abdomen is visible when wings are sp...
Emerald Ash Borer
The Emerald Ash Borer is a recent addition to the line of tree-boring beetles in North America. As recently as June 2002, the...
European Earwig
Contrary to popular belief, earwigs do not typically crawl into human ears and bite or pinch people there. In fact, bug lite...
European Mantid
As the name suggests, European Mantids were one native to Europe and discovered in the United States by 1899. They are highly...
Feather Legged Spider
Thick legs with long, feathery hairs on them make this spider unique. They make look ferociou, but they lack venom glands. ...
Field Cricket
Field Crickets are a common site throughout the United States. Warm summer nights bring them out en masse as the males chirp...
Fiery Skipper
This species can be seen flying on grass (lawns), fields and forest openings. Larvae feed on grass. Though a butterfly,...
Firebrat
Firebrats appear much like Silverfish and are part of the same Thysanura Order and Lepismatidae Family. They have a long and ...
Fishfly
Fishflies are part of the Alderfly and Dobsonfly group of winged insects. They are generally noticed for their large size, co...
Five-Banded Tiphiid Wasp
This medium-sized wasp is highly beneficial because they prey on beetles that destroy trees. The female wasp lays her eggs o...
Flower Fly
This fly looks like a bee or wasp, taking full advantage of mimicry. The coloration wards off would-be predators. Upon clos...
Forage Looper Moth
As caterpillars, looper moths tend to move with a looping gait. Moths are usually seen feeding on grasses, clover and ragw...
Formica Ant
Ants in the Formica genus have only 1 knob (bump) between the thorax and abdomen. They feed on the honeydew created by aphid...
Funnel-Web Spider
Noted for the shape of their webs, Funnel-web spiders create cave-like webs and hide in the back. They are fast movers and ch...
German Cockroach
Smaller than American and Oriental cockroaches, German cockroaches are notorious household pests. Infesting houses, resta...
Giant Darner
The Giant Darner is hailed as the largest example of dragonfly to be found in the United States of America. The beautiful cre...
Giant Leopard Moth
This white tiger moth has distinct black rings as well as black spots along its wings. They can grow to large sizes, fitting...
Giant Mayfly
Giant Mayflies are common in the Eastern United States and can appear in large quantities in the summer months. They represen...
Giant Red Velvet Mite
The bright red coloration make it easy to spot a red velvet mite. They usually appear in large numbers after summer rains. ...
Giant Stick Insect
The Giant Walkingstick is the largest Walkingstick species in North America, measuring in at anywhere between 75mm and 150mm....
Giant Stonefly
Giant Stoneflies are a uniquely-shaped insect that are highly identifiable by their veined wings. These wings are long and cr...
Giant Swallowtail Butterfly
This is the largest species of butterfly in North America. They can be found in gardens, at the edges of forests or citus ...
Giant Water Bug
Large insect species with noticeable foreleg pincers. Mostly flat and oval shaped with dead leaf-like coloring. The Giant Wat...
Golden Northern Bumble Bee
The Golden Northern Bumble Bee features an all-black head and dark wings. A black band runs across the mostly yellow thorax a...
Golden Silk Orbweaver
The size of this spider can be frightening. While males remain quite small (up to 1/4 inch), females can grow to become 3 in...
Goldenrod Crab Spider
This species of spider uses camouflage as its primary defense, but will bite as well. They are able to change their colorati...
Grapevine Hoplia
The Grapevine Hoplia is a small rounded pesky beetle that has a hunger for vegetation - it will feed on the leaves of plants ...
Grass Spider
Grass Spiders are common sights throughout North American summers and belong to a family of Funnel Web Weavers. Males are sma...
Gray Hairstreak Butterfly
Adults can be seen in open fields, parks, woods and gardens. It basks in the sun with its wings open, unlike other hairstreak...
Great Blue Skimmer
Brightly colored bodies are characterisic of the dragonflies in the Libellulidae family. Members are sometimes called King Sk...
Green Crab Spider
The extremely long front legs help place this spider in the Crab Spider family. They are able to walk forward, sideways and ...
Green Lynx Spider
As its name might suggest, the Green Lynx Spider is a highly identifiable green spider of the Lynx spider grouping. Appearing...
Ground Crab Spider
Crab spiders get their name from the resemblence they have as they sit and walk. They have slightly longer sets of legs at t...
Gulf Fritillary Butterfly
This tropical butterfly has short hairs on its front legs, making it part of the 'brush footed' butterfly family. The cate...
Hardwood Stump Borer Beetle
Large thick pincers (jaws) on the males are quite intimidating. This species is usually found in tree stumps or structural w...
Hentz Jumping Spider
Rather than use webs to catch its prey, this spider jumps on it....
Hoary Edge Skipper
This small skipper can be found at the edges of forests or clearings from Spring to Autumn. Hoary means grayish white an...
Honey Bee
Honey Bees break down into two classes, the worker bees (numbering up to 80,000 in a single nest) and the Queen Bee. Unlike ...
Horntail Wasp
Females appear to have two menacing stingers, but they are actually an ovipositor (for injecting eggs into wood) and a spine ...
Horse Lubber Grasshopper
Lubber grasshoppers boast a greater size than other grasshoppers and crickets. This species is known to have social youth tha...
House Centipede
The House Centipede is a very common sight throughout North America, particularly found in indoor locations that are wet or d...
House Cricket
Crickets can appear very similarly to their related cousins - the Grasshopper - but can be discerned by the fact that common ...
Hover Fly
Although it looks like a wasp or bee, this species of fly cannot bite or sting. Larvae feed on aphids (smaller insects t...
Hummingbird Moth
Fast beating wings give it the appearance of a small hummingbird but the moth lacks the long beak. The wings are usually tran...
Huntsman Spider
Although this species of spider is already established in the Southeast, sometimes they stow away on produce from Mexico or C...
Ichneumon Wasp
There are several different species, each with its own color variations. All have the wasp body shape, a thin waist and an a...
Iron Clad Beetle
The exoskeletons of these beetles is extremely thick, hence their name. This species is living jewelry in Mexico where the b...
Ivory Marked Beetle
The defining ivory spots on the top of this beetle come in pairs. They are usually found in forests or lumberyards. Larva...
Japanese Beetle
The Japanese Beetle is a pest not native to the United States, let alone North America. It is believed to have arrived by way...
Jerusalem Cricket
This slow-moving humpbacked cricket is often taken for a spider until one counts the number of legs. They are really slow in ...
Johnson Jumping Spider
These tiny spiders jump large distances (considering their size) to catch their prey. They are day-time hunters and hide out...
Katydid
Katydids get their name from the sounds they make. The repetitive calls sounded like someone saying, "Ka-ty-did". They ar...
Labyrinthine Orb Weaver Spider
The web of this spider is more like a starburst, rather than a typical orb, making it unique and easy to identify. Some sp...
Lattice Orbweaver Spider
The six defined black spots on the abdomen aid in identifying this spider. Each spot has a very pale ring around it. They ...
Leaf-Footed Bug
These large plant-eaters have thick thighs, often with spikes on them. They make a loud noise when they fly and can emit an ...
Locust Borer Beetle
Adults are often seen on goldenrod plants, feeding on the pollen in autumn. Larvae are deposited into the heartwood of the l...
Long-bodied Cellar Spider
The shape of the abdomen aided in an alternate name for this spider. Although the name Daddy-Long-Legs is as an additional a...
Long-legged Sac Spider
This pale spider is typically found in homes (on ceilings, in corners, etc). They build thin silk shelters in corners or dar...
Long-tailed Skipper
The long 'tail's on the tips of each forewing helped name this butterfly. Most of the forewings are brown with white spots b...
Luna Moth
This pale green moth can be found in hardwood forests. They are greatly attracted to lights at night. A member of the Silkm...
Marbled Orb Weaver
The unique 'marbling' pattern of colors on the abdomen, the orange head and black and white legs make this spider visually st...
Maritime Earwig
The habitat of this species is in bays and coastal areas around high tide, which helped it earn its name. Females will la...
Mealy Bug Destroyer Larvae
The unique white 'hairs' on this tiny bug often draw attention from people. These larvae are extremely useful in pest manage...
Metallic Crab Spider
The metallic sheen on the abdomen of this spider is mesmerizing, if stops moving long enough for you to see it. The runnin...
Milkweed Bug
Adult milkweed bugs do not seem to damage garden and field crops. They drink the nectar of various plants as well as the mil...
Millipede
Millipedes differ from centipedes in that their legs are paired in each body segment. Centipedes have only one leg per body ...
Mimosa Yellow Sulphur
The Mimosa Yellow closely resembles the Barred Yellow Sulphur, which lacks dark dots, as well as the Little Yellow Sulphur, w...
Monarch Butterfly
Monarch Butterflies are a common sight throughout North America, with the exception of the extreme northern regions. Their or...
Mormon Cricket
In 1848, this species of katydid nearly wiped out the crops of Mormon farmers. They prefer grasses and sage brush, but can b...
Mydas Fly
This family of flies comprises some of the largest flies in North America. They can get as long as 60mm (2 inches). They ar...
Net-Winged Beetle
This beetle resembles the firefly, but the ridges and net-like pattern of veins on their wings place them in the Lycidae fami...
North American Jumping Spider
Jumping spiders are opportunistic, ambush predators. They do not weave webs for catching prey though they can make spider si...
Northern Mole Cricket
Mole Crickets are a breed of cricket commonly found east of the Rocky Mountains with a broad range reaching from southern Can...
Northern Walkingstick
Northern Walkingsticks are a child's favorite type of bug, if they chose to be brave enough to handle any insect. They are un...
Notch Tipped Flower Longhorn Beetle
Larva from this species of beetle bore deep into decayed wood and remain there over winter. They feed on the wood and pupate...
Nursery Web Spider
The Nursery Web Spider derives its name from the care it takes of the egg sac. Females carry the sac with their fangs and bui...
Orb Weaver
Orb Weavers come in a variety of colors, shapes and sizes. Common traits among some include the rounded abdomen and orange-to...
Ox Beetle
The sheer size of this relative of the Rhinocerous beetle makes for an unforgettable first impression. Adults are nocturna...
Pale Windscorpion
Windscorpions hide in burrows during the day and come out at night and hunt other arachnids as well as insects. They are nat...
Pandorus Sphinx Moth
This hawk moth boasts a healthy size. Adults drink nectar from various flowers so they are likely to be seen in gardens and ...
Parson Spider
A unique pattern on the abdomen makes this spider easier to identify than others. This species of spider does not spin web...
Pearl Crescent Butterfly
Adults can be seen most anywhere: fields, roadsides, forest clearings. Coloring variations within the species is not uncommon...
Periodical Cicada
The Periodical Cicada is generally more well known in the Midwest as the Seventeen Year Cicada due to their periodical emerge...
Pigeon Tremex
Although they look intimidating, this horntail wasp is not aggressive in nature like other wasps. They are commonly found in...
Pine Sawyer Beetle
Active at dusk, adults can be seen flying near lights (males) or walking on logs or stumps. Their pronotum has spines on i...
Pipevine Swallowtail
This butterfly mimics the coloring of several other butterflies, including the Spicebush and Eastern Tiger Swallowtail. Ru...
Plume Moth
Their thin body and 'T' shape make this moth unique. Their wings have the appearance of a plume (feather) and when at rest, ...
Polka Dot Wasp Moth
Polka Dot Wasp Moths are common to tropical climates and make their North American home in the Southeastern United States, ap...
Polyphemus Moth
This member of the Giant Silk Moth family is both large and furry. The antennae are feathery. Eyespots on the wing are oval-...
Potter Wasp
Potter wasps have nests that look like ceramic jugs or pots. They create these mud nests on twigs, branches and the trunks o...
Predaceous Diving Beetle
Found in or near ponds and lakes, the Predaceous Diving Beetle has a unique appearance. It appears to only have two 'arms' an...
Proturan
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Pseudoscorpion
Although they look like tiny scorpions, pseudoscorpions lack a tail or stinger. The pedipalps (pincers) may or may not b...
Red Ant-Mimic Spider
Ant-Mimic spiders play both sides of the game: defense and offense. Their ability to be confused as ants helps keep their pr...
Red Headed Ash Borer
Red Headed Ash Borer beetles are related to the Long Horned Borer beetles. They mimic wasps by appearance only and are often...
Red Oak Borer
The larvae of this beetle bore into weak, but still living, red oak and white oak trees. Because of the damage it does, it i...
Red Spotted Ant Mimic Spider
This spider acts like an ant to gain better positioning when attacking prey. It walks on its back 6 legs while raising the f...
Red Velvet Ant
Although they look like ants, Velvet ants are acutally hairy wasps! They scurry about the ground like ants and carry a painf...
Reticulated Netwinged Beetle
This beetle resembles the firefly, but the ridges and pattern of veins on their wings place them in the Lycidae family. Wh...
Ring-Legged Earwig
The Earwig is a common sight throughout North America and gets it creepy name from the false idea that these insects actually...
Robber Fly (Diogmites)
Robber flies eat biting flies and other flying insects. This species likes bees and dragonflies as well as biting flies. Du...
Robber Fly (Efferia)
Robber flies eat biting flies and other flying insects. They chase them in flight, overtake them and suck out the victim's i...
Rose Chafer
These small and slender members of the beetle family are a common pest usually associated with roses though they venture into...
Rosy Apple Aphid
Rosy Apple Aphids are a huge pest in apple orchards and plantain farms. Their juice-sucking activity on the trees both shriv...
Running Crab Spider
These fast-moving spiders are agile enough to outrun predators as well as human hands. Their camouflage coloration makes it ...
Running Spider
Running spiders, or sac spiders, do not form webs. Instead they hunt their prey with quickening speed. The reddish head...
Rustic Sphinx Moth
This striking, mammoth-sized moth is a member of the Sphinx family. The rich black and white speckled coloration is containe...
Sac Spider
Sac spiders are predatory hunters, not web weavers, when it comes to catching prey. They do weave silken sacs between leaves...
Saddleback Caterpillar
This highly unusual caterpillar becomes a brown moth as an adult. The caterpillar stings and this can sometimes leave a rash...
Silver Garden Spider
The Silver Garden Spider can be found in the warmer, southern parts of North America. Young spiders can survive frost, but th...
Silverfish
These little pests can be found in the dark warm places of the home. They have a very unique tapered shape and can appear to ...
Silver-spotted Skipper
This ubiquitous skipper can be found in a diverse variety of habitats. They are very common in eastern North America, but are...
Small Carpenter Bee
This small bee resembles a wingless-ant. They are industrious and hard-working all spring and summer long. They can be found...
Small House Fly
Though half the size and thinner than the normal House Fly (Musca domestica), the Small House Fly shares similar traits. M...
Small Minnow Mayfly
Small Minnow Mayflies are a favorite among trout that await their surfacing only to gobble the Mayflies up in the process. As...
Small-eyed Sphinx Moth
A member of the Hawk Moth family, the size of this species is startling. Females can average 3" while males are usually smal...
Snakefly
Larvae feed on bark. Adults prey on insects....
Snow Mosquito
The Snow Mosquito is a special breed of mosquito commonly limited to northern portions of the United States. The Snow Mosquit...
Snowberry Clearwing Moth
Though this species looks like a bee, it does not land on flowers as bees do. Instead, it hovers in front of the flower to c...
Soldier Beetle
Commonly found in parks and fields, this species of beetle feed on pollen. They are usually spotted on flowers, especialll...
Southeastern Lubber Grasshopper
As a member of the Lubber Grasshopper family, this specimen is quite larger compared to more common grasshoppers and crickets...
Southeastern Wandering Spider
Spiders in the Ctenidae family resemble wolf spiders, but are not the same. Wandering spiders are active hunters, not web-...
Southern Black Widow
Female Black Widows are well-known and particularly feared for their venomous bites. They are shiney in look and feature a re...
Southern Emerald Moth
This moth is a type of Geometer Moth and are quite common in the southern United States. Their larval form (caterpillar) are...
Southwestern Eyed Click Beetle
This species of click beetle has two large black 'eyespots' on its pronotum. They are surrounded by a thin, white ring. Larv...
Sowbug Killer Spider
This spider's favorite meal is the sowbug, also known as pill bug, wood louse or roly poly depending on where you live. Thei...
Spangled Flower Beetle
This grubs of this beetle can be found in ant nests. They emerge as adults in late summer, overwinter and make another appea...
Spicebush Swallowtail Butterfly
This spcecies of butterfly can be found in gardens and at the edges of forests. Its coloration resembles that of the Pipev...
Spined Micrathena Spider
The ridges on the abdomen of the female spider are thought to render it unappetizing to predators. The coloration may act as...
Spiny Backed Orb Weaver
The spines on the side of this spider make it unique and easy to recognize. Males are considerably smaller than females. Lik...
Spitting Spider
This spider earned its name by spraying its prey of small insects with a sticky secretion. Once the prey is subdued, it bite...
Spotted Camel Cricket
The high arching 'back' of this cricket helped name it. This species is found in forests, under rocks and even in basements....
Spotted Orb Weaver
These hairy spiders are nocturnal, weaving orb-shaped webs up to 2 feet in diameter in woodlands to catch their prey. They a...
Spur-throated Grasshopper
Spur-throated Grasshoppers (part of the Short-horned Grasshopper family) are the most common species of grasshopper in all of...
Squash Bug
Squash bugs are similar in appearance to Stink bugs. Both emit an odor when crushed, but squash bugs tend to feed on melons ...
Stag Beetle
Common east of the Mississippi. Noted for their large size and ferocious appearance, complete with hard shell and imposing pi...
Striped Blister Beetle
When threatened, this blister beetle secrets a yellowish fluid onto its legs. Predators are burned by this substance and bli...
Swamp Cicada
These harmless insects are known for the loud buzzing noise the males make in the summer. The mating call attracts females, ...
Tachinid Fly
Tachinid flies are lethal predators to the insects they feed on. Most feed on the caterpillars of moths. Because of their di...
Tailless Whipscorpion
Large, menacing pedipalps (claws) are meant to capture and crush prey as well as groom. The forelegs (first pair in front)...
Tan Jumping Spider
A member of Salticidae, this spider jumps to ambush its prey instead of creating webs. This species is known to be friendl...
Tarantula Hawk
Male and female Tarantula Hawks vary in subtle ways. Male antenna are straight, while their abdomens are segmented into 7 sec...
Tersa Sphinx Moth
The large, stiff wings of this moth may give it the appearance of a small bird. Their size and projection at the tip of their...
Thistle Down Velvet Ant
Although it looks and walks like an ant, this hairy little creature is a wasp! This particular species mimics the seeds o...
Thread-Waisted Wasp
The incredibly skinny waistline of this wasp helped name it. They can be found in meadows and open fields. Females use a p...
Three Lined Potato Beetle
This species feeds on nightshade and tomatillos, the green 'tomatoes' used to make salsa verde and, of course, potatoes. ...
Tick
Ticks are parasites that feed off the blood of a host. As they feed, they release anticoagulants, chemicals that prevent bloo...
Tobacco Hornworm Moth
The name of this moth likely comes from its appearance as a caterpillar. The green body has black and white diagonal stripes...
Trashline Orb Weaver
The name of this spider stems from its thicker line of silk in the web (stabilimentum). The purpose of the stablimentum has n...
Treehopper
Treehoppers come in a variety of colors. There are many genera and each has a variation or region of dominance. The protrus...
Triangulate Cob Web Spider
The triangle pattern on the abdomen helped name this spider. It is a common house spider, hiding in dark corners of rooms ...
Tuft-Legged Orb Weaver
The fine, mesh web of this spider is a bit different than other orb weavers. They can be found commonly in forest undergrowt...
Turret Spider
Native to Northern California, the Turret Spider is part of the larger family of "Folding Trapdoor Spiders" that live in self...
Varied Carpet Beetle
Adults can be found indoors where they feed on pollen. Larvae can be pests at home as well as in universities. They feed on...
Venusta Orchard Spider
Common in forested areas, this colorful spider almost appears to be painted. Bright red, orange or yellow coloration at the t...
Vine Sphinx Moth
This moth bears a striking multi-faceted pattern of lines and stripes. Its hindwings show pink patches when they are visibl...
Walnut Sphinx Moth
Native to deciduous woodlands, Walnut Sphinx Moths are highly common throughout Missouri with limited appearances in certain ...
Wasp Moth
This moth mimics the coloring of a wasp as a measure of protection. Predators are less likely to attack if they believe they...
Western Flying Adder
The Western Flying Adder is part of the very common summer flying insect generically grouped as "dragonflies". They appear qu...
Western Hercules Beetle
Adults feed on ash tree sap and can be found at higher elevations or in canyons. Males have a 'horn' believed to be used...
Western Spotted Orb Weaver
Orb weavers spin circular webs and this species tends to create them in open areas. These spiders do not spin any zigzag patt...
Western Wood Cockroach
This species of cockroach prefer to live outdoors. They hide under rocks or leaf litter by day and forage on plant matter ...
Wheel Bug
This insect is well-noted for its incredibly painful bite when disturbed or nonchalantly handled. A member of the Assassi...
White Oak Borer Beetle
This species of beetle is partial to white oak trees, sometimes becoming serious pests. ...
White-lined Sphinx Moth
Sphinx moths are larger than most moths. This species is active during the day and at night. They are attracted to lights an...
White-spotted Sawyer Beetle
One white spot at the top of the elytra (wing sheath) marks black beetle. Smaller white speckling may be visible on the elty...
Wolf Spider
The Wolf spider hunts at night, spending the daytime hiding in a burrow under stones, logs or other undisturbed places. They ...
Woodland Jumping Spider
Jumping spiders are known for their fantastic ability to leap across large airspaces. They also have incredible vision. ...
Woolly Bear Caterpillar Moth
The adult moth has yellow coloring with black dots on its forewings, but pink coloring and gray dots on its hindwings. T...
Yellow Jacket
Yellow Jackets are easily distinguishable by their yellow and black coloring. Measuring in length from 12mm to about 16mm, th...
Yellow Sac Spider
This albino spider is commonly found in homes, high up on walls or crawling on ceilings. They usually only venture indoors d...
Yellow Velvet Ant
Despite its name, the Velvet Ant isn't an ant at all! It is a type of wasp. Ants have bent antennae and a twice-constricted ...
Zebra Butterfly
This beautiful butterfly is a common site throughout most of the Gulf States, only rarely appearing the other states mentione...
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