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)
Miraces placida
Miraces placida
Mitostylus elongatus
Mitostylus elongatus
Mitosynum vockerothi
Mitosynum vockerothi
Miyama Stag Beetle
Lucanus maculifemoratus
Moapa Warm Springs Riffle Beetle
Stenelmis moapa
Mochtherus tetraspilotus
Mochtherus tetraspilotus
Mocyta breviuscula
Mocyta breviuscula
Mocyta luteola
Mocyta luteola
Mocyta sphagnorum
Mocyta sphagnorum
Molorchus bimaculatus
Molorchus bimaculatus
Molorchus eburneus
Molorchus eburneus
Monahans Ten-lined June Beetle
Polyphylla monahansensis
Monanus concinnulus
Monanus concinnulus
Monarthrum dentigerum
Monarthrum dentigerum
Monarthrum fasciatum
Monarthrum fasciatum
Monarthrum huachucae
Monarthrum huachucae
Monarthrum scutellare
Monarthrum scutellare
Moneilema annulatum
Moneilema annulatum
Moneilema appressum
Moneilema appressum
Moneilema gigas
Moneilema gigas
Moneilema semipunctatum
Moneilema semipunctatum
Monocrepidius athoides
Monocrepidius athoides
Monocrepidius auritus
Monocrepidius auritus
Monocrepidius aversus
Monocrepidius aversus
Monocrepidius bellus
Monocrepidius bellus
Monocrepidius bifoveatus
Monocrepidius bifoveatus
Monocrepidius blandulus
Monocrepidius blandulus
Monocrepidius browni
Monocrepidius browni
Monocrepidius debilitatus
Monocrepidius debilitatus
Monocrepidius delicatus
Monocrepidius delicatus
Monocrepidius ferruginosus
Monocrepidius ferruginosus
Monocrepidius lividus
Monocrepidius lividus
Monocrepidius parallelus
Monocrepidius parallelus
Monocrepidius rudis
Monocrepidius rudis
Monocrepidius suturalis
Monocrepidius suturalis
Monocrepidius xysticus
Monocrepidius xysticus
Monoedus guttatus
Monoedus guttatus
Monomacra opaca
Monomacra opaca
Monophylla pallipes
Monophylla pallipes
Monophylla terminata
Monophylla terminata
Monotoma americana
Monotoma americana
Monotoma arida
Monotoma arida
Monotoma bicolor
Monotoma bicolor
Monotoma emarginata
Monotoma emarginata
Monotoma johnsoni
Monotoma johnsoni
Monotoma longicollis
Monotoma longicollis
Monotoma producta
Monotoma producta
Monoxia andrewsi
Monoxia andrewsi
Monoxia angularis
Monoxia angularis
Montane Giant Tiger Beetle
Amblycheila baroni
Moon-marked Leaf Beetle
Calligrapha lunata
Mordella albosuturalis
Mordella albosuturalis
Mordella marginata
Mordella marginata
Mordellaria borealis
Mordellaria borealis
Mordellaria undulata
Mordellaria undulata
Mordellina impatiens
Mordellina impatiens
Mordellina infima
Mordellina infima
Mordellina semiusta
Mordellina semiusta
Mordellistena attenuata
Mordellistena attenuata
Mordellistena convicta
Mordellistena convicta
Mordellistena liljebladi
Mordellistena liljebladi
Mordellistena militaris
Mordellistena militaris
Mordellistena ornata
Mordellistena ornata
Mordellistena picilabris
Mordellistena picilabris
Mordellistena picipennis
Mordellistena picipennis
Mordellistena smithi
Mordellistena smithi
Mordellistena tosta
Mordellistena tosta
Mordellistena vapida
Mordellistena vapida
Mordellistena vera
Mordellistena vera
Mordellochroa scapularis
Mordellochroa scapularis
Morion aridus
Morion aridus
Morius occidens
Morius occidens
Morychus aeneolus
Morychus aeneolus
Morychus oblongus
Morychus oblongus
Motschulskium sinuatocolle
Motschulskium sinuatocolle
Mottled Tortoise Beetle
Deloyala guttata
Mulsanteus arizonensis
Mulsanteus arizonensis
Mulsanteus substriatus
Mulsanteus substriatus
Mulsanteus variatus
Mulsanteus variatus
Muscidora tumacacorii
Muscidora tumacacorii
Myas coracinus
Myas coracinus
Mycetina hornii
Mycetina hornii
Mycetochara bicolor
Mycetochara bicolor
Mycetochara binotata
Mycetochara binotata
Mycetochara cf-procera
Mycetochara cf-procera
Mycetochara foveata
Mycetochara foveata
Mycetochara fraterna
Mycetochara fraterna
Mycetochara haldemani
Mycetochara haldemani
Mycetochara humeralis
Mycetochara humeralis
Mycetochara procera
Mycetochara procera
Mycetochara pubipennis 0
Mycetochara pubipennis
Mycetophagus californicus
Mycetophagus californicus
Mycetophagus didesmus
Mycetophagus didesmus
Mycetophagus distinctus
Mycetophagus distinctus
Mycetophagus flexuosus
Mycetophagus flexuosus
Mycetophagus fulvicollis
Mycetophagus fulvicollis
Mycetophagus melsheimeri
Mycetophagus melsheimeri
Mycetophagus obsoletus
Mycetophagus obsoletus
Mycetophagus pini
Mycetophagus pini
Mycetophagus pluripunctatus
Mycetophagus pluripunctatus