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)
Strawberry Bud Weevil
Anthonomus signatus
Strawberry Root Weevil
Otiorhynchus ovatus
Strawberry Seed Beetle
Harpalus rufipes
Striatheca lineata
Striatheca lineata
Stricticomus tobias
Stricticomus tobias
Strigister tecolotito
Strigister tecolotito
Strigoderma pimalis
Strigoderma pimalis
Strigoderma teapensis
Strigoderma teapensis
Strigodius robinsoni
Strigodius robinsoni
Strigoptera bimaculata
Strigoptera bimaculata
Strigota ambigua
Strigota ambigua
Strigota obscurata
Strigota obscurata
Striped Ambrosia Beetle
Trypodendron lineatum
Striped Blister Beetle
Epicauta vittata
Striped Cucumber Beetle
Acalymma vittatum
Striped Lady Beetle
Paranaemia vittigera
Stromatium longicorne
Stromatium longicorne
Stromatium unicolor
Stromatium unicolor
Strongylium anthrax
Strongylium anthrax
Strongylium apache
Strongylium apache
Strongylium atrum
Strongylium atrum
Strongylium cultellatum
Strongylium cultellatum
Strongylium terminatum
Strongylium terminatum
Stropenron californica
Stropenron californica
Stropenron columbiana
Stropenron columbiana
Stropenron hamata
Stropenron hamata
Stropenron hieroglyphica
Stropenron hieroglyphica
Stropenron nigricollis
Stropenron nigricollis
Stropenron pallidipes
Stropenron pallidipes
Stropenron propola
Stropenron propola
Stropenron pudica
Stropenron pudica
Strophiona tigrina
Strophiona tigrina
Stygoporus oregonensis
Stygoporus oregonensis
Styloleptus biustus
Styloleptus biustus
Subhaida ingrata
Subhaida ingrata
Subtropical Tamarisk Beetle
Diorhabda sublineata
Sudus floridanus
Sudus floridanus
Sugar Maple Borer
Glycobius speciosus
Sugarbeet Wireworm
Limonius californicus
Sulcacis curtulus
Sulcacis curtulus
Sulcacis lengi
Sulcacis lengi
Sumac Flea Beetle
Blepharida rhois
Sumitrosis ancoroides
Sumitrosis ancoroides
Sumitrosis pallescens
Sumitrosis pallescens
Sumitrosis rosea
Sumitrosis rosea
Sumitrosis triplehorni
Sumitrosis triplehorni
Summer Chafer
Amphimallon solstitiale
Sunflower Beetle
Calligrapha exclamationis
Sunius confluentus
Sunius confluentus
Sunius melanocephalus
Sunius melanocephalus
Suphis inflatus
Suphis inflatus
Suphisellus bicolor
Suphisellus bicolor
Suphisellus gibbulus
Suphisellus gibbulus
Suphisellus insularis
Suphisellus insularis
Suphisellus puncticollis
Suphisellus puncticollis
Susuacanga falli
Susuacanga falli
Susuacanga ulkei
Susuacanga ulkei
Swamp Milkweed Leaf Beetle
Labidomera clivicollis
Sweet Clover Weevil
Tychius meliloti
Sweet Potato Weevil
Cylas formicarius
Sweetclover Weevil
Sitona cylindricollis
Sweetpotato Flea Beetle
Chaetocnema confinis
Sybra alternans
Sybra alternans
Sylvanelater cylindriformis
Sylvanelater cylindriformis
Sylvanelater furtivus
Sylvanelater furtivus
Sylvanelater mendax
Sylvanelater mendax
Symphora rugosa
Symphora rugosa
Synchita adventive-or-new
Synchita adventive-or-new
Synchita lecontei
Synchita lecontei
Synchita obscura
Synchita obscura
Synchita parvula
Synchita parvula
Synchronous Firefly
Photinus carolinus
Syneta carinata
Syneta carinata
Syneta extorris
Syneta extorris
Syneta hamata
Syneta hamata
Syneta pilosa
Syneta pilosa
Syneta seriata
Syneta seriata
Syneta simplex
Syneta simplex
Synetocephalus bivittatus
Synetocephalus bivittatus
Synetocephalus vandykei
Synetocephalus vandykei
Synstrophus repandus
Synstrophus repandus
Syntomium grahami
Syntomium grahami
Syntomus americanus
Syntomus americanus
Syphrea flavicollis
Syphrea flavicollis
Systena bitaeniata
Systena bitaeniata
Systena californica 0
Systena californica
Systena gracilenta
Systena gracilenta
Systena pallipes
Systena pallipes
Systena sexnotata
Systena sexnotata
Syzeton arizonae 0
Syzeton arizonae
Syzeton ater
Syzeton ater
Syzeton fasciatus
Syzeton fasciatus
Syzeton floridanus
Syzeton floridanus
Syzeton gruberi
Syzeton gruberi
Syzeton hubbardi
Syzeton hubbardi
Syzeton nubifer
Syzeton nubifer
Syzeton pallidus
Syzeton pallidus
Tachinus addendus
Tachinus addendus
Tachinus axillaris
Tachinus axillaris
Tachinus basalis
Tachinus basalis