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)
Orphinus fulvipes
Orphinus fulvipes
Orsodacne atra
Orsodacne atra
Orthochaetes setiger
Orthochaetes setiger
Orthocis punctatus
Orthocis punctatus
Orthognathus subparallelus
Orthognathus subparallelus
Ortholeptura insignis
Ortholeptura insignis
Ortholeptura obscura
Ortholeptura obscura
Orthoperus scutellaris
Orthoperus scutellaris
Orthoptochus squamiger
Orthoptochus squamiger
Orthoris crotchi
Orthoris crotchi
Orthostethus infuscatus
Orthostethus infuscatus
Orthostethus pectinicornis
Orthostethus pectinicornis
Orthotomicus latidens
Orthotomicus latidens
Orthotomicus spinifer
Orthotomicus spinifer
Orus armiger
Orus armiger
Orus dentiger
Orus dentiger
Orus ferrugineus
Orus ferrugineus
Orus fraternus
Orus fraternus
Orwellion occidentalis
Orwellion occidentalis
Oscarinus abusus
Oscarinus abusus
Oscarinus crassuloides
Oscarinus crassuloides
Oscarinus floridanus 0
Oscarinus floridanus
Oscarinus rusicola
Oscarinus rusicola
Oscarinus silvanicus
Oscarinus silvanicus
Oscarinus stuessyi
Oscarinus stuessyi
Oscarinus welderi
Oscarinus welderi
Osorius latipes
Osorius latipes
Osorius planifrons
Osorius planifrons
Osphya lutea
Osphya lutea
Ostoma fraterna
Ostoma fraterna
Ostoma pippingskoeldi
Ostoma pippingskoeldi
Ostoma septentrionalis
Ostoma septentrionalis
Ostomopsis neotropicalis
Ostomopsis neotropicalis
Otiorhynchus carinatopunctatus
Otiorhynchus carinatopunctatus
Otiorhynchus porcatus
Otiorhynchus porcatus
Otiorhynchus raucus
Otiorhynchus raucus
Otiorhynchus rugifrons
Otiorhynchus rugifrons
Ouachitychus parvoculus
Ouachitychus parvoculus
Oulema arizonae
Oulema arizonae
Oulema maculicollis
Oulema maculicollis
Oulema palustris
Oulema palustris
Oulema possbly-unnamed
Oulema possbly-unnamed
Oulema texana
Oulema texana
Oulimnius latiusculus
Oulimnius latiusculus
Oulimnius nitidulus
Oulimnius nitidulus
Oval Round Sand Beetle
Omophron ovale
Ox Beetle
Strategus anteus
Oxacis angustata
Oxacis angustata
Oxacis bernadettei
Oxacis bernadettei
Oxacis caerulea
Oxacis caerulea
Oxacis cana
Oxacis cana
Oxacis cf. trimaculata AZ-TX
Oxacis cf-trimaculata
Oxacis debilis 0
Oxacis debilis
Oxacis fragilis 0
Oxacis fragilis
Oxacis pallida
Oxacis pallida
Identification: Varies in color from pale to black
Oxacis sericea
Oxacis sericea
Oxacis subfusca 0
Oxacis subfusca
Oxacis trimaculata
Oxacis trimaculata
Oxoplatypus quadridentatus
Oxoplatypus quadridentatus
Oxybleptes kiteleyi
Oxybleptes kiteleyi
Oxycopis dietrichi
Oxycopis dietrichi
Oxycopis falli
Oxycopis falli
Oxycopis floridana
Oxycopis floridana
Oxycopis mimetica
Oxycopis mimetica
Oxycopis vittata
Oxycopis vittata
Oxycrepis brevicollis
Oxycrepis brevicollis
Oxycrepis crenata
Oxycrepis crenata
Oxycrepis duryi
Oxycrepis duryi
Oxycrepis erratica
Oxycrepis erratica
Oxycrepis floridana
Oxycrepis floridana
Oxycrepis icarus
Oxycrepis icarus
Oxycrepis infima 0
Oxycrepis infima
Oxycrepis intercepta
Oxycrepis intercepta
Oxycrepis recta
Oxycrepis recta
Oxycrepis saphyrina
Oxycrepis saphyrina
Oxycrepis velocipes
Oxycrepis velocipes
Oxycrepis vulnerata
Oxycrepis vulnerata
Oxydrepanus rufus
Oxydrepanus rufus
Oxygonodera hispidula
Oxygonodera hispidula
Oxygonus arnetti
Oxygonus arnetti
Oxygonus ater
Oxygonus ater
Oxygonus montanus
Oxygonus montanus
Oxygonus obesus
Oxygonus obesus
Oxylaemus americanus
Oxylaemus americanus
Oxylaemus californicus
Oxylaemus californicus
Oxyomoides sepultus
Oxyomoides sepultus
Oxyomus sylvestris
Oxyomus sylvestris
Oxypoda acuminata
Oxypoda acuminata
Oxypoda amica
Oxypoda amica
Oxypoda canadensis
Oxypoda canadensis
Oxypoda inimica
Oxypoda inimica
Oxypoda opaca
Oxypoda opaca
Oxyporus ashei
Oxyporus ashei
Oxyporus elegans
Oxyporus elegans
Oxyporus kiteleyi
Oxyporus kiteleyi
Oxyporus lateralis
Oxyporus lateralis
Oxyporus major
Oxyporus major
Oxyporus mexicanus
Oxyporus mexicanus
Oxyporus occipitalis
Oxyporus occipitalis
Oxyporus quinquemaculatus
Oxyporus quinquemaculatus