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)
Isomira variabilis
Isomira variabilis
Isonychus arizonensis
Isonychus arizonensis
Isoplastus fossor
Isoplastus fossor
Isorhipis bicolor
Isorhipis bicolor
Isorhipis nubila
Isorhipis nubila
Isorhipis occidentalis
Isorhipis occidentalis
Isorhipis ruficornis
Isorhipis ruficornis
Isotrilophus erraticus
Isotrilophus erraticus
Ivory Marked Beetle
Eburia quadrigeminata
Janbechynea fulvipes
Janbechynea fulvipes
Japanese Beetle
Popillia japonica
(c) Robert Stegmann, some rights reserved (CC BY)
Jeffrey Pine Beetle
Dendroctonus jeffreyi
Jewel Weevil
Eurhinus magnificus
Jimsonweed Weevil
Trichobaris bridwelli
Judolia cordifera
Judolia cordifera
Judolia impura
Judolia impura
Judolia quadrata
Judolia quadrata
Judolia scapularis
Judolia scapularis
Judolia sexspilota
Judolia sexspilota
Juniper Grove Tiger Beetle 0
Dromochorus knisleyi
Juniper Paria
Paria sexnotata
Kalissus nitidus
Kalissus nitidus
Kalohydnobius dentatus
Kalohydnobius dentatus
Kalohydnobius southeastern-non-dentatus
Kalohydnobius southeastern-non-dentatus
Kalohydnobius strigilatus
Kalohydnobius strigilatus
Kelso Dunes June Beetle
Polyphylla aeolus
Kerns Flower Scarab Beetle
Euphoria kernii
Kiawe Scolytid
Hypothenemus birmanus
Kidney-spotted Lady Beetle
Psyllobora renifer
King Diving-beetle
Dytiscus dimidiatus
Kissingeria amaura
Kissingeria amaura
Kissingeria capitone
Kissingeria capitone
Kissingeria disparatum
Kissingeria disparatum
Kissingeria extensa
Kissingeria extensa
Kissingeria varicorne
Kissingeria varicorne
Knapweed Root Weevil
Cyphocleonus achates
Knapweed Seedhead Weevil
Larinus obtusus
Knausia crassicornis
Knausia crassicornis
Identification: Holotype Type Locality: Deming, NM
Knowltonia calida
Knowltonia calida
Knull's Chrysobothris
Chrysobothris knulli
Kuschelina concinna
Kuschelina concinna
Kuschelina flavocyanea
Kuschelina flavocyanea
Kuschelina lugens
Kuschelina lugens
Kuschelina rhabdota
Kuschelina rhabdota
Kuschelina scripticollis
Kuschelina scripticollis
Kuschelina vians
Kuschelina vians
Kuschelina weismani 0
Kuschelina weismani
Labarrus lividus
Labarrus lividus
Laccobius agilis
Laccobius agilis
Laccobius borealis
Laccobius borealis
Laccobius cinereus
Laccobius cinereus
Laccobius mexicanus
Laccobius mexicanus
Laccobius minutoides
Laccobius minutoides
Laccobius reflexipenis
Laccobius reflexipenis
Laccobius spangleri
Laccobius spangleri
Laccobius teneralis
Laccobius teneralis
Laccomimus pumilio
Laccomimus pumilio
Lacconotus pinicola
Lacconotus pinicola
Lacconotus punctatus
Lacconotus punctatus
Laccophilus biguttatus
Laccophilus biguttatus
Laccophilus fasciatus
Laccophilus fasciatus
Laccophilus gentilis
Laccophilus gentilis
Laccophilus horni
Laccophilus horni
Laccophilus mexicanus
Laccophilus mexicanus
Laccophilus oscillator
Laccophilus oscillator
Laccophilus pictus
Laccophilus pictus
Laccophilus quadrilineatus
Laccophilus quadrilineatus
Laccophilus salvini
Laccophilus salvini
Laccophilus schwarzi
Laccophilus schwarzi
Laccophilus sonorensis
Laccophilus sonorensis
Laccophilus undatus
Laccophilus undatus
Laccophilus vacaensis
Laccophilus vacaensis
Laccornis latens
Laccornis latens
Laccornis pacificus
Laccornis pacificus
Lachnocrepis parallela
Lachnocrepis parallela
Lachnodactyla arizonica
Lachnodactyla arizonica
Lachnophorus elegantulus
Lachnophorus elegantulus
Lachnopus floridanus
Lachnopus floridanus
Lacon auroratus
Lacon auroratus
Lacon avitus
Lacon avitus
Lacon candidus 0
Lacon candidus
Lacon discoideus
Lacon discoideus
Lacon impressicollis
Lacon impressicollis
Lacon maculatus
Lacon maculatus
Lacon nobilis
Lacon nobilis
Lacon pyrsolepis
Lacon pyrsolepis
Lacon rorulentus
Lacon rorulentus
Lacon sparsus
Lacon sparsus
Lacon subcostatus
Lacon subcostatus
Laemophloeus biguttatus
Laemophloeus biguttatus
Laemophloeus lecontei
Laemophloeus lecontei
Laemophloeus shastanus
Laemophloeus shastanus
Laemophloeus suturalis 0
Laemophloeus suturalis
Laemosaccus gossypii
Laemosaccus gossypii
Laemosaccus rileyi
Laemosaccus rileyi
Laemosaccus texanus
Laemosaccus texanus
Laetulonthus laetulus
Laetulonthus laetulus
Lagocheirus araneiformis
Lagocheirus araneiformis
Lagocheirus obsoletus
Lagocheirus obsoletus
Lampetis cupreopunctata
Lampetis cupreopunctata