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)
Onthophilus giganteus
Onthophilus giganteus
Onthophilus intermixtus
Onthophilus intermixtus
Onthophilus lecontei
Onthophilus lecontei
Onthophilus nodatus
Onthophilus nodatus
Onthophilus pluricostatus
Onthophilus pluricostatus
Onthophilus wenzeli
Onthophilus wenzeli
Onychobaris densa
Onychobaris densa
Onychobaris depressa
Onychobaris depressa
Onychobaris millepora
Onychobaris millepora
Onychobaris pectorosa
Onychobaris pectorosa
Onychobaris perita
Onychobaris perita
Onychobaris subtonsa
Onychobaris subtonsa
Onychomira floridensis
Onychomira floridensis
Onychylis alternans
Onychylis alternans
Onychylis essigi 0
Onychylis essigi
Onychylis longulus
Onychylis longulus
Onychylis parvulus
Onychylis parvulus
Onychylis texanus 0
Onychylis texanus
Oodes amaroides
Oodes amaroides
Oodes brevis
Oodes brevis
Oodes fluvialis
Oodes fluvialis
Oodinus alutaceus
Oodinus alutaceus
Oodinus pseudopiceus
Oodinus pseudopiceus
Oomorphidius erasus
Oomorphidius erasus
Oomorphidius laevicollis
Oomorphidius laevicollis
Oopterinus distinctus
Oopterinus distinctus
Oopterinus perforatus
Oopterinus perforatus
Oosternum costatum
Oosternum costatum
Oosternum pubescens
Oosternum pubescens
Opacinota bisignata
Opacinota bisignata
Opaque Sawyer
Asemum striatum
Opatroides punctulatus
Opatroides punctulatus
Operclipygus geometricus
Operclipygus geometricus
Operclipygus marginellus
Operclipygus marginellus
Operclipygus striatellus
Operclipygus striatellus
Ophraea rugosa
Ophraea rugosa
Ophraella artemisiae 0
Ophraella artemisiae
Ophraella bilineata
Ophraella bilineata
Ophraella californiana
Ophraella californiana
Ophraella communa
Ophraella communa
Ophraella cribrata
Ophraella cribrata
Ophraella notata
Ophraella notata
Identification: occasionally pale Dets. S.M. Clark
Ophraella slobodkini
Ophraella slobodkini
Ophryastes aridus
Ophryastes aridus
Ophryastes cinerascens
Ophryastes cinerascens
Ophryastes cinereus 0
Ophryastes cinereus
Ophryastes geminatus
Ophryastes geminatus
Ophryastes mixtus
Ophryastes mixtus
Ophryastes ovalis
Ophryastes ovalis
Ophryastes robustus
Ophryastes robustus
Ophryastes rotundatus
Ophryastes rotundatus
Ophryastes speciosus
Ophryastes speciosus
Ophryastes sulcirostris
Ophryastes sulcirostris
Ophryastes varius
Ophryastes varius
Ophryastes vittatus
Ophryastes vittatus
Opilo domesticus
Opilo domesticus
Opilo mollis
Opilo mollis
Opisthius richardsoni
Opisthius richardsoni
Opulent Jewel Beetle
Trachykele opulenta
Ora discoidea
Ora discoidea
Ora texana
Ora texana
Orchesia castanea
Orchesia castanea
Orchesia cultriformis
Orchesia cultriformis
Orchesia gracilis
Orchesia gracilis
Orchesia ornata
Orchesia ornata
Orchesia ovata
Orchesia ovata
Orchestes andersoni
Orchestes andersoni
Orchestomerus eisemani
Orchestomerus eisemani
Orchestomerus marionis
Orchestomerus marionis
Orchestomerus whiteheadi
Orchestomerus whiteheadi
Orchestomerus wickhami
Orchestomerus wickhami
Ordobrevia nubifera
Ordobrevia nubifera
Oreodytes alaskanus
Oreodytes alaskanus
Oreodytes humboldtensis
Oreodytes humboldtensis
Oreodytes laevis
Oreodytes laevis
Oreodytes snoqualmie
Oreodytes snoqualmie
Oriental Beetle
Exomala orientalis
Oriental Powderpost Beetle
Lyctoxylon dentatum
Oriental Wood Borer
Heterobostrychus aequalis
Orimodema protracta
Orimodema protracta
Orizabus clunalis
Orizabus clunalis
Orizabus ligyroides
Orizabus ligyroides
Orizabus mcclevei
Orizabus mcclevei
Orizabus pinalicus
Orizabus pinalicus
Orizabus pyriformis
Orizabus pyriformis
Ormiscus pusillus 0
Ormiscus pusillus
Ornate Checkered Beetle
Trichodes ornatus
Ornate Lady Beetle
Nephus ornatus
Ornithia mexicana
Ornithia mexicana
Orochares suteri
Orochares suteri
Orochares tumidus
Orochares tumidus
Orodaliscoides fimbripes
Orodaliscoides fimbripes
Orodaliscoides giulianii
Orodaliscoides giulianii
Oropodes chumash
Oropodes chumash
Oropodes ishii
Oropodes ishii
Oropus cavicauda
Oropus cavicauda
Oropus striatus
Oropus striatus
Oropus tuberculatus
Oropus tuberculatus
Orphilus ater
Orphilus ater
Orphilus subnitidus
Orphilus subnitidus