Primitive Winged Insects
Order Coleoptera
The Primitive Winged Insects (Order Coleoptera) includes 15,720 species across 160 families and 3,716 genera in our directory.
About Primitive Winged Insects
Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.
Economic Impact
Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.
Ecological Role
Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.
Families in Coleoptera (160)
Species in Coleoptera (15,720)

Stenotothorax gardneri
Stenotothorax gardneri

Stenotothorax oriens
Stenotothorax oriens

Stenotothorax ovipennis
Stenotothorax ovipennis

Stenotothorax parapyriformis
Stenotothorax parapyriformis

Stenotothorax pyriformis
Stenotothorax pyriformis

Stenotothorax sparsus
Stenotothorax sparsus

Stenotrachelus aeneus
Stenotrachelus aeneus

Stenotrupis acicula
Stenotrupis acicula

Stenus alpicola
Stenus alpicola

Stenus angustus
Stenus angustus

Stenus austini
Stenus austini

Stenus caenicolus
Stenus caenicolus

Stenus caseyi
Stenus caseyi

Stenus colon
Stenus colon

Stenus dissentiens
Stenus dissentiens

Stenus dolosus
Stenus dolosus

Stenus erythropus
Stenus erythropus

Stenus femoratus
Stenus femoratus

Stenus flavicornis
Stenus flavicornis
Stenus immarginatus 0
Stenus immarginatus

Stenus laccophilus
Stenus laccophilus

Stenus latissimus
Stenus latissimus

Stenus lustrator
Stenus lustrator

Stenus mammops
Stenus mammops

Stenus morio
Stenus morio

Stenus pauperculus
Stenus pauperculus

Stenus pinguis
Stenus pinguis

Stenus plicipennis
Stenus plicipennis

Stenus reconditus
Stenus reconditus

Stenus retrusus
Stenus retrusus

Stenus scrupeus
Stenus scrupeus

Stenus semicolon
Stenus semicolon

Stenus stygicus
Stenus stygicus

Stenus tahoensis
Stenus tahoensis

Stenus venustus
Stenus venustus

Stenus vespertinus
Stenus vespertinus

Stephanocleonus confusus
Stephanocleonus confusus

Stephanocleonus immaculatus
Stephanocleonus immaculatus

Stephanocleonus parshus
Stephanocleonus parshus

Stephanocleonus plumbeus
Stephanocleonus plumbeus

Stephanopachys amplus
Stephanopachys amplus

Stephanopachys asperulus
Stephanopachys asperulus

Stephanopachys cribratus
Stephanopachys cribratus

Stephanopachys densus
Stephanopachys densus

Stephanopachys sobrinus
Stephanopachys sobrinus

Stephanopachys substriatus
Stephanopachys substriatus

Stephostethus breviclavis
Stephostethus breviclavis
Stephostethus costicollis 0
Stephostethus costicollis

Stephostethus lardarius
Stephostethus lardarius

Stephostethus liratus
Stephostethus liratus
Stephostethus montanus 0
Stephostethus montanus
Stephostethus productus
Stephostethus productus

Steremnius shermani
Steremnius shermani

Stereocerus haematopus
Stereocerus haematopus

Stereocerus rubripes
Stereocerus rubripes

Stereogaster globosa
Stereogaster globosa

Stereopalpus pruinosus
Stereopalpus pruinosus

Stereopalpus rufipes
Stereopalpus rufipes

Stereopalpus vestitus
Stereopalpus vestitus

Sternechus armatus
Sternechus armatus

Sternechus paludatus
Sternechus paludatus
Sternidius centralis
Sternidius centralis

Sternidius chemsaki
Sternidius chemsaki

Sternidius decorus
Sternidius decorus
Sternidius incognitus
Sternidius incognitus

Sternidius mimeticus
Sternidius mimeticus

Sternidius wiltii
Sternidius wiltii

Sternidocinus barbarus
Sternidocinus barbarus

Stethobaris incompta
Stethobaris incompta

Stethobaris nemesis
Stethobaris nemesis

Stethobaris ovata
Stethobaris ovata

Stethon pectorosus
Stethon pectorosus

Stethorhanis borealis
Stethorhanis borealis

Stethorus utilis
Stethorus utilis

Stethusa dichroa
Stethusa dichroa
Stethusa spuriella
Stethusa spuriella

Sthereus ptinoides
Sthereus ptinoides

Sthereus quadrituberculatus
Sthereus quadrituberculatus

Stibia imperialis
Stibia imperialis

Stictalia brevicornis
Stictalia brevicornis

Stictobaris cribrata
Stictobaris cribrata

Stictobaris ornatella
Stictobaris ornatella

Stictocranius mariae
Stictocranius mariae

Stictocranius puncticeps
Stictocranius puncticeps

Stictolinus flavipes
Stictolinus flavipes

Stictostix californicus
Stictostix californicus

Stilbus nitidus
Stilbus nitidus

Stilicopsis paradoxa
Stilicopsis paradoxa

Stinkhorn Beetle
Psilopyga nigripennis
Stizocera floridana
Stizocera floridana

Stomodes gyrosicollis
Stomodes gyrosicollis

Stored Grain Fungus Beetle
Litargus balteatus

Strabala rufa
Strabala rufa

Straight-jawed Pedunculate Ground Beetle
Promecognathus crassus

Strangalia antennata
Strangalia antennata

Strangalia strigosa
Strangalia strigosa

Strategus aloeus
Strategus aloeus

Strategus cessus
Strategus cessus

Strategus mormon
Strategus mormon

Strategus splendens
Strategus splendens