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)

Zuphioides mexicanum
Zuphioides mexicanum

Zygobarella xanthoxyli
Zygobarella xanthoxyli

Zygobarinus coelestinus
Zygobarinus coelestinus

Zyras obliquus
Zyras obliquus

Zyras planifer
Zyras planifer

Zyras rudis
Zyras rudis

horned dor beetle
Odonteus armiger

hungarian anthaxia
Anthaxia hungarica

jun. syn. of P.simplex
Peltodytes dispersus

likely pale form of cymindoides from AZ
Lebia cf-cymindoides

mellow-bug
Gyrinus natator

monoceros beetle
Notoxus monoceros

peardrop beetle
Cybister lateralimarginalis

pilose sp. from WA
Magdalis cf-aenescens

prob. n.sp. TX
Sphenophorus probably-unnamed

recently synonymyzed with A. villosus
Anelaphus formerly-parallelus-maybe-undescribed

scarce lesser diving beetle
Acilius canaliculatus

undescribed Thalpius sp. 1
Thalpius undescribed-one

undescribed Thalpius sp. 2
Thalpius undescribed-two
undescribed Thalpius sp. 3
Thalpius undescribed-three