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)
Epicaerus wickhami
Epicaerus wickhami
Epicauta albolineata
Epicauta albolineata
Epicauta alpina
Epicauta alpina
Identification: hard to id from photos; key needed
Epicauta andersoni
Epicauta andersoni
Epicauta apache
Epicauta apache
Epicauta aspera
Epicauta aspera
Epicauta caviceps
Epicauta caviceps
Epicauta cinctipennis
Epicauta cinctipennis
Epicauta cupraeola
Epicauta cupraeola
Epicauta ferruginea
Epicauta ferruginea
Epicauta gissleri
Epicauta gissleri
Epicauta heterodera
Epicauta heterodera
Epicauta ingrata
Epicauta ingrata
Epicauta longicollis
Epicauta longicollis
Epicauta normalis
Epicauta normalis
Epicauta occidentalis
Epicauta occidentalis
Epicauta parkeri
Epicauta parkeri
Epicauta pruinosa
Epicauta pruinosa
Epicauta purpurea
Epicauta purpurea
Epicauta rehni
Epicauta rehni
Epicauta rileyi
Epicauta rileyi
Epicauta segmenta
Epicauta segmenta
Epicauta straba
Epicauta straba
Epicauta stuarti
Epicauta stuarti
Epicauta subglabra
Epicauta subglabra
Epicauta temexa
Epicauta temexa
Epicauta tenebrosa
Epicauta tenebrosa
Epicauta tenuilineata
Epicauta tenuilineata
Epicauta tenuis
Epicauta tenuis
Epicauta texana
Epicauta texana
Epicauta torsa
Epicauta torsa
Epicauta ventralis
Epicauta ventralis
Epierus antillarum 0
Epierus antillarum
Epierus cornutus
Epierus cornutus
Epierus decipiens
Epierus decipiens
Epierus mehicanus
Epierus mehicanus
Epierus pulicarius
Epierus pulicarius
Epierus regularis
Epierus regularis
Epilachna tredecimnotata
Epilachna tredecimnotata
Epimechus aemulus
Epimechus aemulus
Epimechus curvipes
Epimechus curvipes
Epimetopus thermarum
Epimetopus thermarum
Epiphanis apache
Epiphanis apache
Epiphanis cornutus
Epiphanis cornutus
Epiphanis cristatus
Epiphanis cristatus
Epiphanis devillei 0
Epiphanis devillei
Epiphanis hoh 0
Epiphanis hoh
Epiphanis kwakiutla
Epiphanis kwakiutl
Epiphanis menominee
Epiphanis menominee
Epiphanis navajo 0
Epiphanis navajo
Epiphanis shoshone 0
Epiphanis shoshone
Epiphanis ute
Epiphanis ute
Epipocus cinctus
Epipocus cinctus
Epipocus gorhami
Epipocus gorhami
Epipocus nanus
Epipocus nanus
Epipocus opacus
Epipocus opacus
Epipocus punctatus
Epipocus punctatus
Epipocus unicolor
Epipocus unicolor
Episcopal Lady Beetle
Macronaemia episcopalis
Episernus trapezoideus
Episernus trapezoideus
Epitragodes tomentosus
Epitragodes tomentosus
Epitrix capsica
Epitrix capsica
Epitrix flavotestacea 0
Epitrix flavotestacea
Epitrix gentneri 0
Epitrix gentneri
Epitrix humeralis
Epitrix humeralis
Epitrix pubescens
Epitrix pubescens
Epitrix rufa 0
Epitrix rufa
Epuraea alternata
Epuraea alternata
Epuraea ambigua
Epuraea ambigua
Epuraea cf-helvola
Epuraea cf-helvola
Epuraea cf-pygmaea
Epuraea cf-pygmaea
Epuraea corticina
Epuraea corticina
Epuraea flavomaculata
Epuraea flavomaculata
Epuraea fulvescens
Epuraea fulvescens
Epuraea helvola
Epuraea helvola
Epuraea hornii
Epuraea hornii
Epuraea imperialis
Epuraea imperialis
Epuraea lengi
Epuraea lengi
Epuraea monogama
Epuraea monogama
Epuraea nearctica
Epuraea nearctica
Epuraea obtusicollis
Epuraea obtusicollis
Epuraea pallescens
Epuraea pallescens
Epuraea papagona
Epuraea papagona
Epuraea quadricollis
Epuraea quadricollis
Epuraea rufida
Epuraea rufida
Epuraea scaphoides
Epuraea scaphoides
Epuraea terminalis
Epuraea terminalis
Epuraea umbrosa
Epuraea umbrosa
Epuraea unicolor
Epuraea unicolor
Eremosaprinus falli
Eremosaprinus falli
Eremosaprinus hubbardi
Eremosaprinus hubbardi
Eremosaprinus minimus
Eremosaprinus minimus
Eremosaprinus unguiculatus
Eremosaprinus unguiculatus
Eretes sticticus
Eretes sticticus
Erichsonius brachycephalus
Erichsonius brachycephalus
Erichsonius patella
Erichsonius patella
Erichsonius rosellus
Erichsonius rosellus
Ericydeus lautus
Ericydeus lautus
Ericydeus placidus 0
Ericydeus placidus
Ernobius conicola
Ernobius conicola