Beetles
Order Coleoptera
1299 speciesThe largest order of insects, comprising about 25% of all known animal species. Beetles are found in nearly every habitat and are distinguished by their hardened forewings called elytra.
Species in this Order
Banded Fruit Weevil
Phlyctinus callosus
A small greyish-brown weevil with pale transverse bands on the elytra. It is a significant pest of f...
Banded Fungus Beetle
Triplax russica
A small, attractively colored beetle with a red thorax and dark blue-black elytra. Lives on bracket ...
Banded Jewel Beetle
Chrysochroa buqueti
A large, spectacularly iridescent beetle with red, green, and blue metallic bands. It is native to t...
Banded Longhorn Beetle
Typocerus velutinus
A yellow and brown longhorn beetle commonly found visiting flowers. Larvae develop in rotting hardwo...
Banded Oogaster Ground Beetle
Anthia sexguttata
A large Indian ground beetle with six prominent white spots on its black elytra. It is a fast-runnin...
Barbados Cane Weevil
Metamasius hemipterus
A large weevil with variable striped patterns, originally from the Caribbean. It is a significant pe...
Bark Gnawing Beetle
Trogossita japonica
A predatory beetle found under bark where it hunts wood-boring larvae. Its flattened body is well su...
Bark-crevice Rove Beetle
Nudobius lentus
A slender, flattened rove beetle adapted for life under tight-fitting bark. Its compressed body and ...
Bates' Rosalia
Rosalia batesi
A rare and beautiful longhorn beetle with pale lavender-grey elytra and contrasting black spots, fou...
Bathysciola Cave Beetle
Bathysciola ovata
A small oval cave beetle found in the Pyrenean caves of France and Spain. It has reduced eyes and el...
Bean Weevil
Acanthoscelides obtectus
A small, mottled grayish-brown beetle with a compact, somewhat wedge-shaped body. It is a major stor...
Beaver Rove Beetle
Leptusa fumida
A tiny, dark aleocharine rove beetle that inhabits the nests of beavers and other semi-aquatic roden...
Bee Beetle
Trichius fasciatus
A fuzzy, yellow-and-black banded beetle that closely resembles a bumblebee. Adults visit flowers and...
Bee Chafer
Trichius rosaceus
A furry bumblebee-mimicking flower beetle with yellow and black bands. Visits roses and other garden...
Benderman's Cave Beetle
Pseudanophthalmus bendermani
A tiny blind ground beetle restricted to a single cave system in Virginia. It is federally listed as...
Berger's Flat-face
Anoplophora beryllina
A stunning metallic blue-green longhorn found in the subtropical forests of Yunnan and Guizhou provi...
Bethany Beach Firefly
Photuris bethaniensis
A predatory firefly known from a narrow range along the mid-Atlantic coast. Females mimic the flash ...
Big Dipper Firefly
Photinus consimilis
A common North American firefly that produces a slow, arching flash resembling the Big Dipper conste...
Big Sand Tiger Beetle
Cicindela formosa
A large and colorful tiger beetle found in sandy habitats across North America. Its color varies fro...
Big-eyed Ground Beetle
Notiophilus biguttatus
A small, fast-running ground beetle with enormously enlarged eyes relative to its body size. It has ...
Big-headed Tiger Beetle
Megacephala virginica
A nocturnal tiger beetle with a disproportionately large head and long curved mandibles. It is dark ...
Binodis Dung Beetle
Onthophagus binodis
A small, brown-black tunneling dung beetle with two small nodules on the male head. It was introduce...
Bipunctate Aleocharine
Aleochara bipustulata
A robust aleocharine rove beetle with two reddish spots on its elytra, serving as both predator and ...
Birch Bark Beetle
Scolytus ratzeburgi
A small, dark brown bark beetle that infests birch trees in boreal and subarctic forests. Adults bor...
Birch Leaf Beetle
Chrysomela collaris
A handsome beetle with dark metallic blue-black elytra and a contrasting bright red pronotum. It is ...
Black Alpine Weevil
Otiorhynchus niger
A robust, dark weevil commonly found under stones in alpine environments. Adults are nocturnal and f...
Black and Yellow Longhorn
Rutpela maculata
A slender wasp-mimicking beetle with yellow elytra marked with black bands and spots. It is a common...
Black Aphodius
Aphodius fimetarius
A small dweller dung beetle with a black head and pronotum and reddish-brown elytra. It lives direct...
Black Burying Beetle
Nicrophorus humator
A large all-black burying beetle with orange-tipped antennae. It buries animal carcasses for its lar...
Black Carpet Beetle
Attagenus unicolor
A small, oval, dark brown to black beetle that is a major pest of textiles and natural fibers. Larva...
Black Carrion Beetle
Necrodes littoralis
A large, dark carrion beetle with ridged elytra and a distinctive lumpy thorax. It is associated wit...
Black Caterpillar Hunter
Calosoma sayi
A large, entirely black caterpillar hunter beetle native to North American prairies and grasslands. ...
Black Clock Beetle
Pterostichus madidus
A common nocturnal ground beetle found throughout European gardens and farmland. It is jet black and...
Black Cocktail-Ant Rove Beetle
Lomechusa pubicollis
A myrmecophilous rove beetle that lives inside ant nests. It secretes chemicals that trick ants into...
Black Dung Beetle
Copris lunaris
A robust black dung beetle found across Europe and parts of Asia. Males bear a single curved horn on...
Black Forest Ground Beetle
Pterostichus niger
A large jet-black ground beetle common in European forests and damp woodlands. It is one of the larg...
Black Sexton Beetle
Necrophorus vespilloides
A remarkable burying beetle that locates small animal carcasses using acute sense of smell. Pairs wo...
Black Vine Weevil
Otiorhynchus sulcatus
A dull black, flightless weevil that is a serious pest of ornamental plants. Adults feed at night, l...
Black-Headed Blister Beetle
Epicauta pennsylvanica
An entirely black blister beetle common across eastern North America, often seen in large groups on ...
Black-striped Flower Longhorn
Strangalia attenuata
A slender, wasp-like flower longhorn with yellow elytra bearing longitudinal black stripes. Found in...
Black-striped Longhorn
Stenurella melanura
A small, attractive longhorn beetle commonly found on flowers in summer. Has dark wing tips on a yel...
Black-tailed Click Beetle
Ampedus nigrinus
A dark-bodied click beetle with subtly reddish-brown elytra and a shiny black pronotum. It inhabits ...
Blackburn Earth-Boring Beetle
Blackburnium reichei
A small, globular earth-boring dung beetle with a dark brown to black body. Endemic to Australia, it...
Blackburnia Hawaiian Ground Beetle
Blackburnia hawaiiensis
An endemic Hawaiian ground beetle found in montane forests on the Big Island of Hawaii. It is a noct...
Blind Cave Leiodid Beetle
Glacicavicola bathyscioides
A tiny eyeless beetle found in ice caves of the western United States. It survives in near-freezing ...
Blister Beetle
Epicauta vittata
A striped black and yellow beetle that releases cantharidin, a chemical causing painful skin blister...
Blood-red Click Beetle
Ampedus sanguinolentus
A striking click beetle with deep blood-red elytra and a black head and pronotum. Larvae develop in ...
Blood-red Longhorn
Callidium coriaceum
A flat-bodied cerambycid with a rich reddish-brown color and a leathery texture to its elytra. It is...
Bloody-Nosed Beetle
Timarcha tenebricosa
A large, flightless, domed black beetle that oozes red fluid from its mouth when threatened. The sec...
Blue Death-feigning Beetle
Asbolus verrucosus
A rounded blue-grey desert beetle covered in a waxy powder-blue coating. When threatened it flips on...
Blue Flea Beetle
Altica lythri
A small metallic blue-green flea beetle that feeds on willowherb and evening primrose. Has enlarged ...
Blue Ghost Firefly
Phausis reticulata
A firefly producing a steady pale blue-white glow rather than flashing. Females are larviform and wi...
Blue Ground Beetle
Carabus intricatus
A large brilliant blue beetle with intricately sculptured elytra. It is a nocturnal predator of slug...
Blue Leaf Beetle
Colaspidema atrum
A small, oval, dark blue to black beetle with a slight metallic luster. It can be a pest of lucerne ...
Blue Margined Ground Beetle
Chlaenius impunctifrons
A brilliantly colored ground beetle with bright metallic blue-green elytra and a velvety texture fro...
Blue Milkweed Beetle
Chrysochus cobaltinus
A stunningly beautiful beetle with a deep cobalt blue metallic sheen across its rounded body. It fee...
Blue Mint Beetle
Chrysolina coerulans
A small, deep metallic blue leaf beetle found exclusively on mint plants. Both adults and larvae fee...
Blue Mountains Firefly
Atyphella flammulans
An Australian firefly found in cool temperate rainforests, producing a steady greenish glow. It has ...
Blue Net-Winged Beetle
Metriorrhynchus rhipidius
An Australian net-winged beetle with dark blue-black elytra and elaborate feathery antennae in males...
Blue Paederine Rove Beetle
Paederus balcanicus
A colorful Paederus rove beetle with metallic blue elytra and an orange thorax, found in southeaster...
Blue Rove Beetle
Paederus fuscipes
A small, slender beetle with metallic blue elytra and an orange abdomen. It is an important biologic...
Blue Willow Beetle
Phratora vulgatissima
A small, metallic dark blue to blue-green beetle commonly found on willow trees. It can cause signif...
Blue-winged Rove Beetle
Platydracus chalcocephalus
A handsome rove beetle with a metallic blue-green head and pronotum contrasting with brown elytra. I...
Blue-Winged Wasteland Beetle
Omocrates marginatus
A robust, flightless darkling beetle found in arid Australian landscapes. It is nocturnal and shelte...
Bog Jet Beetle
Stenus juno
One of the largest Stenus species, with a shiny black body and the characteristic bulging eyes of it...
Bolboceras Dung Beetle
Bolboceras armiger
A stout, rounded earth-boring beetle with a yellowish-brown body and a prominent horn on the male he...
Boll Weevil
Anthonomus grandis
A small grayish-brown weevil with a long curved snout used to bore into cotton bolls. It devastated ...
Bombardier Beetle
Brachinus crepitans
Defends itself with a boiling-hot chemical spray ejected from its abdomen at over 100°C. The reactio...
Bordered Great Diving Beetle
Dytiscus circumflexus
A large British diving beetle similar to D. marginalis but with expanded yellow margins. It prefers ...
Bornean Flat Stag Beetle
Aegus chelifer
A medium-sized, very flat stag beetle with a glossy dark reddish-brown body perfectly adapted for li...
Bornean Flat-horned Beetle
Gnaphaloryx squalidus
A compact stag beetle with a broad, flattened body perfectly adapted for living under bark. It is da...
Bornean Peacock Beetle
Lamprosoma bicolor
A small, dome-shaped leaf beetle with spectacular iridescent elytra that shift from purple to green ...
Bornean Thick-legged Flower Beetle
Cheirotonus battareli
A large, striking flower beetle with metallic green elytra and enormously thickened front legs in ma...
Borneo Firefly
Pteroptyx bearni
A synchronous firefly endemic to Borneo that creates dramatic light displays in riverside trees. It ...
Borneo Giant Firefly
Lamprigera borneensis
A very large tropical firefly from Borneo with massive larviform females that glow brightly. Males a...
Borneo Pulsing Firefly
Pteroptyx tener
A synchronous firefly of Southeast Asian mangroves that produces green flashes in unison with thousa...
Borneo Three-horned Beetle
Chalcosoma caucasus
Among the longest beetles in Asia, with three powerful horns and a metallic green-black sheen. Males...
Botany Bay Diamond Weevil
Chrysolopus spectabilis
A large weevil covered in brilliant pale green scales with black diamond-shaped patches. It was one ...
Brassy Willow Beetle
Phratora vitellinae
A small, shiny metallic bronze to greenish beetle that feeds on willow and poplar. Adults overwinter...
Brazilian Arboreal Tiger Beetle
Oxycheila tristis
A large, dark brown tiger beetle found in the forests of South America. Unlike most tiger beetles it...
Brazilian Headlight Firefly
Pyrearinus termitilluminans
A unique click beetle relative whose bioluminescent larvae inhabit termite mounds in the Brazilian c...
Brazilian Jewel Scarab
Chrysina cupreomarginata
A dazzling scarab beetle with a brilliant golden-green metallic sheen. Its compact oval body reflect...
Brazilian Pleasing Fungus Beetle
Erotylus incomparabilis
A strikingly patterned beetle with bold black and orange spots on a glossy body. It is commonly foun...
Brazilian Railroad Worm
Phrixothrix viviani
A tropical glowworm beetle with the remarkable ability to produce both green lateral lights and a re...
Brazilian Rhinoceros Beetle
Enema pan
A large, glossy black dynastine beetle with a prominent upward-curving cephalic horn and a smaller p...
Brazilian Soldier Beetle
Chauliognathus flavipes
A South American soldier beetle with yellow-orange elytra and dark markings. It is commonly found on...
Bright Green Canthon
Canthon virens
A small, vivid metallic green roller dung beetle found in Brazil and neighboring countries. Its brig...
Broad Bean Weevil
Bruchus rufimanus
A compact, dark beetle with grayish pubescence and reddish-brown antennae bases. It is a significant...
Broad-Horned Flour Beetle Mimic Stag
Figulus sublaevis
A small, elongate, dark brown to black stag beetle with reduced mandibles that resembles a darkling ...
Broad-Horned Onitis
Onitis caffer
A large, dark brown to black tunneler with massive forelegs in males. The prothorax is greatly enlar...
Broad-necked Root Borer
Prionus laticollis
A large dark brown prionine beetle with a notably broad pronotum bearing three sharp lateral teeth o...
Broad-shouldered Diving Beetle
Dytiscus latissimus
The largest European diving beetle and one of the largest aquatic beetles in the world. It inhabits ...
Broad-shouldered Leaf Beetle
Chrysomela tremula
A robust, convex beetle with dark metallic greenish-black to bronze elytra and irregular rows of pun...
Broad-Toothed Scarab
Scarabaeus laticollis
A medium-sized, glossy black roller dung beetle with a broad pronotum and strong clypeal teeth. Comm...
Bronze Birch Borer
Agrilus anxius
A native North American jewel beetle that is the most serious pest of birch trees. Larvae create win...
Bronze Flea Beetle
Altica ambiens
A metallic bronze to greenish flea beetle with prominent hind leg development. It feeds on alder lea...
Bronze Leaf Beetle
Colaphellus sophiae
A small, bronze to dark coppery beetle with a convex, oval body. It feeds on various cruciferous pla...
Brown Chafer
Serica brunnea
A small chestnut-brown beetle with a velvety sheen to its elytra. It is nocturnal and attracted to l...
Brown Leaf Weevil
Phyllobius oblongus
A brown-scaled weevil commonly found on hawthorn and other hedgerow shrubs. Less colorful than its g...
Brown Willow Beetle
Galerucella lineola
A small brown beetle that feeds on willow leaves and can cause significant defoliation. Has been use...