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)
Rileyonymus relictus
Rileyonymus relictus
Rio Grande Tiger Beetle
Ellipsoptera sperata
Riparian Tiger Beetle
Eunota praetextata
Ripiphorus californicus
Ripiphorus californicus
Ripiphorus columbianus
Ripiphorus columbianus
Ripiphorus diadasiae
Ripiphorus diadasiae
Ripiphorus fasciatus
Ripiphorus fasciatus
Ripiphorus flavicornis
Ripiphorus flavicornis
Ripiphorus luteipennis
Ripiphorus luteipennis
Ripiphorus minimus
Ripiphorus minimus
Ripiphorus mutchleri
Ripiphorus mutchleri
Ripiphorus nevadicus
Ripiphorus nevadicus
Ripiphorus nomiae
Ripiphorus nomiae
Ripiphorus popenoei
Ripiphorus popenoei
Ripiphorus rex
Ripiphorus rex
Ripiphorus scaber
Ripiphorus scaber
Ripiphorus schwarzi
Ripiphorus schwarzi
Ripiphorus sexdens
Ripiphorus sexdens
Ripiphorus smithi
Ripiphorus smithi
Ripiphorus solidaginis
Ripiphorus solidaginis
Ripiphorus vierecki
Ripiphorus vierecki
Ripiphorus walshi - needs ID review, do not trust these
Ripiphorus walshi
Rismethus scobinula
Rismethus scobinula
Rismethus squamiger
Rismethus squamiger
Robust Round Sand Beetle
Omophron robustum
Romulus globosus
Romulus globosus
Rose Curculio
Merhynchites bicolor
Rose Leaf Beetle
Brachypnoea puncticollis
Rose Stem Girdler
Agrilus cuprescens
Roughened Darkling Beetle
Upis ceramboides
Round-headed Apple Tree Borer
Saperda candida
Round-headed Pine Beetle
Dendroctonus adjunctus
Round-necked Long-horned Beetle -C. ruricola
Clytus ruricola
Round-necked Long-horned Beetle -M. antennata
Megacyllene antennata
Roundhead Oak Twig Girdler
Styloxus fulleri
Roundneck Sexton Beetle
Nicrophorus orbicollis
Rugaphodius rugatus
Rugaphodius rugatus
Rugilus angularis
Rugilus angularis
Rugilus angustatus
Rugilus angustatus
Rugilus biarmatus
Rugilus biarmatus
Rugilus ceylanensis
Rugilus ceylanensis
Rugilus dentatus
Rugilus dentatus
Rugilus opaculus
Rugilus opaculus
Rugilus rufipes
Rugilus rufipes
Rugose Stag Beetle
Sinodendron rugosum
Rushia californica
Rushia californica
Rushia longula
Rushia longula
Russet Alder Leaf Beetle
Calligrapha alni
Rustic Borer
Xylotrechus colonus
Rustleria obscura
Rustleria obscura
Rusty Grain Beetle
Cryptolestes ferrugineus
Rusty Leaf Beetle
Syneta ferruginea
Rusty Pineneedle Weevil
Pachyrhinus californicus
Rutela formosa
Rutela formosa
Rybaxis clavata
Rybaxis clavata
Rybaxis conjuncta
Rybaxis conjuncta
Rybaxis mystica
Rybaxis mystica
Rypobius marinus
Rypobius marinus
Rypobius minutus
Rypobius minutus
Sachalinobia rugipennis
Sachalinobia rugipennis
Sacodes fuscipennis
Sacodes fuscipennis
Sacodes thoracica
Sacodes thoracica
Sagebrush Weevil
Nearctomias saccatus
Saline Valley Snow-front Scarab
Polyphylla anteronivea
Salpingus elongatus
Salpingus elongatus
Salpingus viridiaeneus
Salpingus viridiaeneus
Saltmarsh Tiger Beetle
Eunota severa
Salvinia Weevil
Cyrtobagous salviniae
San Joaquin Dune Beetle
Coelus gracilis
Sand Wireworm
Horistonotus uhleri
Sand-cherry Gouger
Coccotorus hirsutus
Sandalus californicus
Sandalus californicus
Sandalus petrophya
Sandalus petrophya
Sandalus porosus
Sandalus porosus
Sandalus randyi
Sandalus randyi
Sandbar Tiger Beetle
Ellipsoptera blanda
Sandhills Earth Boring Scarab Beetle
Mycotrupes retusus
Sandy Stream Tiger Beetle
Ellipsoptera macra
Sandy Tiger Beetle
Cicindela limbata
Sanfilippodytes brumalis
Sanfilippodytes brumalis
Sanfilippodytes edwardsi
Sanfilippodytes edwardsi
Sanfilippodytes latebrosus
Sanfilippodytes latebrosus
Sanfilippodytes pacificus
Sanfilippodytes pacificus
Sanfilippodytes pseudovilis
Sanfilippodytes pseudovilis
Sanfilippodytes rossi
Sanfilippodytes rossi
Sanfilippodytes terminalis
Sanfilippodytes terminalis
Sanfilippodytes veronicae
Sanfilippodytes veronicae
Santa Cruz Rain Beetle
Pleocoma conjungens
Saperda horni
Saperda horni
Saperda moesta
Saperda moesta
Saperda mutica
Saperda mutica
Saperda populnea
Saperda populnea
Sapintus fulvipes
Sapintus fulvipes
Sapintus hispidulus
Sapintus hispidulus
Sapintus lutescens
Sapintus lutescens
Sapintus pubescens
Sapintus pubescens
Sapintus pusillus
Sapintus pusillus
Sapintus similis
Sapintus similis
Sapintus timidus
Sapintus timidus
Sapotes longipilis
Sapotes longipilis