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)
Ernobius filicornis
Ernobius filicornis
Ernobius granulatus
Ernobius granulatus
Eropterus arculus
Eropterus arculus
Eropterus trilineatus
Eropterus trilineatus
Erynephala maritima
Erynephala maritima
Erynephala morosa
Erynephala morosa
Erynephala puncticollis
Erynephala puncticollis
Eschatomoxys andrewsi
Eschatomoxys andrewsi
Eschatomoxys pholeter
Eschatomoxys pholeter
Eschatoporis nunenmacheri
Eschatoporis nunenmacheri
Esteemed Lady Beetle
Hyperaspis proba
Esthesopus atripennis
Esthesopus atripennis
Esthesopus mitis
Esthesopus mitis
Esthesopus praeditus
Esthesopus praeditus
Estoloides aquilonius
Estoloides aquilonius
Etorofus anthracinus
Etorofus anthracinus
Etorofus deletus
Etorofus deletus
Etorofus obliteratus
Etorofus obliteratus
Etorofus plagiferus
Etorofus plagiferus
Etorofus plebejus
Etorofus plebejus
Etorofus propinquus
Etorofus propinquus
Etorofus soror
Etorofus soror
Etorofus subhamatus
Etorofus subhamatus
Euaesthetus americanus
Euaesthetus americanus
Euaesthetus brevipennis
Euaesthetus brevipennis
Euaesthetus iripennis
Euaesthetus iripennis
Euaesthetus mundulus
Euaesthetus mundulus
Euaesthetus similis
Euaesthetus similis
Euboarhexius perscitus
Euboarhexius perscitus
Eubrianax edwardsii
Eubrianax edwardsii
Eubulus bisignatus
Eubulus bisignatus
Eucalyptus Leaf Beetle
Paropsisterna m-fuscum
Eucheila boyeri
Eucheila boyeri
Eucilinus aridus
Eucilinus aridus
Eucinetus haemorrhoidalis
Eucinetus haemorrhoidalis
Eucinetus strigosus
Eucinetus strigosus
Eucnecosum brachypterum
Eucnecosum brachypterum
Eucnecosum brunnescens
Eucnecosum brunnescens
Eucnemis americanus 0
Eucnemis americanus
Eucnemis piceous
Eucnemis piceous
Euconnus clavipes
Euconnus clavipes
Euconnus comptus
Euconnus comptus
Euconnus fatuus
Euconnus fatuus
Euconnus flavitarsis
Euconnus flavitarsis
Euconnus montanus
Euconnus montanus
Euconnus pecki
Euconnus pecki
Euconnus rasus
Euconnus rasus
Euconnus remiformis
Euconnus remiformis
Euconnus salinator
Euconnus salinator
Euconnus separatus
Euconnus separatus
Eucrada humeralis
Eucrada humeralis
Eucrossus villicornis
Eucrossus villicornis
Eucyllus saesariatus
Eucyllus saesariatus
Eucyllus vagans
Eucyllus vagans
Eudectus crassicornis
Eudectus crassicornis
Eudesma undulata
Eudesma undulata
Eudiagogus maryae
Eudiagogus maryae
Eudistenia costipennis
Eudistenia costipennis
Euetheola subglabra
Euetheola subglabra
Euglenes brunnescens 0
Euglenes brunnescens
Eugnamptus angustatus
Eugnamptus angustatus
Eugnamptus nigriventris
Eugnamptus nigriventris
Eulabis bicarinata
Eulabis bicarinata
Eulechriops minuta
Eulechriops minuta
Eulimnichus analis
Eulimnichus analis
Eulimnichus ater
Eulimnichus ater
Eulimnichus californicus
Eulimnichus californicus
Eulimnichus optatus
Eulimnichus optatus
Eumecomera bicolor
Eumecomera bicolor
Eumecomera cyanipennis
Eumecomera cyanipennis
Eumecomera obscura
Eumecomera obscura
Eumichthus oedipus
Eumichthus oedipus
Eumicrota corruscula
Eumicrota corruscula
Eumicrota socia
Eumicrota socia
Eumolpus robustus
Eumolpus robustus
Euparia castanea
Euparia castanea
Euparius lugubris
Euparius lugubris
Euparius paganus
Euparius paganus
Euparius pictus
Euparius pictus
Euparius subtesselatus
Euparius subtesselatus
Euphalepsus unplaced
Euphalepsus unplaced
Euphoria areata
Euphoria areata
Euphoria biguttata
Euphoria biguttata
Euphoria canescens
Euphoria canescens
Euphoria discicollis
Euphoria discicollis
Euphoria fascifera
Euphoria fascifera
Euphoria hirtipes
Euphoria hirtipes
Euphoria leucographa
Euphoria leucographa
Euphoria levinotata
Euphoria levinotata
Euphoria limbalis
Euphoria limbalis
Euphoria monticola
Euphoria monticola
Euphoria quadricollis
Euphoria quadricollis
Euphoria sonorae
Euphoria sonorae
Euphoria verticalis
Euphoria verticalis
Euphorticus occidentalis
Euphorticus occidentalis
Euphrytus parvicollis
Euphrytus parvicollis
Euphrytus snowi
Euphrytus snowi
Euplastius athoides
Euplastius athoides
Euplastius bivittatus
Euplastius bivittatus
Euplastius melsheimeri
Euplastius melsheimeri