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)
Byrsopages villosus
Byrsopages villosus
Bystus ulkei
Bystus ulkei
Bythinoplectoides gigas
Bythinoplectoides gigas
Bythinoplectus gloydi
Bythinoplectus gloydi
Caccoplectus sentis
Caccoplectus sentis
Caccoplectus spinipes
Caccoplectus spinipes
Cacophrissus pauper
Cacophrissus pauper
Cacostola salicicola
Cacostola salicicola
Cactophagus spinolae
Cactophagus spinolae
Cactopinus desertus
Cactopinus desertus
Cactopinus pini
Cactopinus pini
Cactopinus rhois
Cactopinus rhois
Caelius browni
Caelius browni
Caelius humeralis
Caelius humeralis
Caelius montanus
Caelius montanus
Caelius rufescens
Caelius rufescens
Caenia unnamed or melanic C. amplicornis
Caenia possibly-new
Caenocara blanchardi
Caenocara blanchardi
Caenocara tenuipalpum
Caenocara tenuipalpum
Caenoscelis ferruginea
Caenoscelis ferruginea
Caenoscelis subdeplanata
Caenoscelis subdeplanata
Caerosternus americanus
Caerosternus americanus
Cafius aguayoi
Cafius aguayoi
Cafius bistriatus
Cafius bistriatus
Cafius decipiens 0
Cafius decipiens
Cafius femoralis
Cafius femoralis
Cafius lithocharinus
Cafius lithocharinus
Cafius luteipennis
Cafius luteipennis
Cafius opacus
Cafius opacus
Cafius sulcicollis
Cafius sulcicollis
Cainosternum imbricatum
Cainosternum imbricatum
Calandrinus grandicollis
Calandrinus grandicollis
Calandrinus insignis
Calandrinus insignis
Calathus calceus
Calathus calceus
Calathus gregarius
Calathus gregarius
Calathus opaculus
Calathus opaculus
Calathus peropacus
Calathus peropacus
Calathus ruficollis
Calathus ruficollis
California Broad-necked Darkling Beetle
Coelocnemis dilaticollis
California Glowworm
Photinus californicus
California Night-stalking Tiger Beetle
Omus californicus
California Root Borer Beetle
Prionus californicus
California Tiger Beetle
Eunota californica
Caligodorus opacus
Caligodorus opacus
Caligodorus vandykei
Caligodorus vandykei
Calitys minor 0
Calitys minor
Calitys scabra
Calitys scabra
Calleida fimbriata
Calleida fimbriata
Calleida planulata
Calleida planulata
Calleida platynoides
Calleida platynoides
Calleida purpurea
Calleida purpurea
Calles cladotrichis
Calles cladotrichis
Callicerus obscurus
Callicerus obscurus
Callidiellum cupressi
Callidiellum cupressi
Callidium californicum
Callidium californicum
Callidium frigidum
Callidium frigidum
Callidium sempervirens
Callidium sempervirens
Callidium sequoiarium
Callidium sequoiarium
Calligrapha Beetle
Calligrapha bidenticola
Calligrapha alnicola 0
Calligrapha alnicola
Calligrapha apicalis
Calligrapha apicalis
Calligrapha arizonica
Calligrapha arizonica
Calligrapha cephalanthi
Calligrapha cephalanthi
Calligrapha conjuncta
Calligrapha conjuncta
Calligrapha continua
Calligrapha continua
Calligrapha dislocata
Calligrapha dislocata
Calligrapha dolosa
Calligrapha dolosa
Calligrapha estriata
Calligrapha estriata
Calligrapha floridana
Calligrapha floridana
Calligrapha fulvipes 0
Calligrapha fulvipes
Calligrapha heterothecae
Calligrapha heterothecae
Calligrapha ignota
Calligrapha ignota
Calligrapha malvae
Calligrapha malvae
Calligrapha multiguttata
Calligrapha multiguttata
Calligrapha opifera
Calligrapha opifera
Calligrapha ostryae
Calligrapha ostryae
Calligrapha pallida
Calligrapha pallida
Calligrapha piceicollis
Calligrapha piceicollis
Calligrapha praecelsis
Calligrapha praecelsis
Calligrapha pruni
Calligrapha pruni
Calligrapha rhoda
Calligrapha rhoda
Calligrapha rowena
Calligrapha rowena
Calligrapha sigmoidea
Calligrapha sigmoidea
Calligrapha spiraea
Calligrapha spiraea
Calligrapha tortuosa
Calligrapha tortuosa
Calligrapha vicina
Calligrapha vicina
Calligrapha wickhami
Calligrapha wickhami
Callimoxys fuscipennis
Callimoxys fuscipennis
Callimoxys ocularis
Callimoxys ocularis
Callimus cyanipennis
Callimus cyanipennis
Callimus ruficollis
Callimus ruficollis
Calloides lorquinii
Calloides lorquinii
Calloides nobilis
Calloides nobilis
Callosobruchus phaseoli
Callosobruchus phaseoli
Calodera parviceps
Calodera parviceps
Caloptognatha beameri
Caloptognatha beameri
Calopus angustus
Calopus angustus
Calosoma affine
Calosoma affine
Calosoma angulatum
Calosoma angulatum
Calosoma cancellatum
Calosoma cancellatum