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)

Temnoscheila barbata
Temnoscheila barbata

Temnoscheila chlorodia
Temnoscheila chlorodia

Temnoscheila edentata
Temnoscheila edentata

Temnoscheila hubbardi
Temnoscheila hubbardi

Ten-lined June Beetle
Polyphylla decemlineata

Ten-spotted Spurleg Lady Beetle
Brachiacantha decempustulata

Tenaspis angularis
Tenaspis angularis

Tenebroides americanus
Tenebroides americanus

Tenebroides bimaculatus
Tenebroides bimaculatus

Tenebroides collaris
Tenebroides collaris

Tenebroides laticollis
Tenebroides laticollis

Tenebroides marginatus
Tenebroides marginatus

Tenebroides nanus
Tenebroides nanus

Tenebroides occidentalis
Tenebroides occidentalis

Tenebroides rugosipennis
Tenebroides rugosipennis

Tenebroides soror
Tenebroides soror

Teretriosoma chalybaeum
Teretriosoma chalybaeum

Teretriosoma conigerum
Teretriosoma conigerum

Teretriosoma paradoxum
Teretriosoma paradoxum

Teretrius cylindrellus
Teretrius cylindrellus

Teretrius latebricola
Teretrius latebricola

Teretrius montanus
Teretrius montanus

Teretrius placitus
Teretrius placitus

Tesarius caelatus
Tesarius caelatus

Tesarius mcclayi
Tesarius mcclayi

Tesarius oregonensis
Tesarius oregonensis

Tetartopeus convolutus
Tetartopeus convolutus

Tetartopeus niger
Tetartopeus niger

Tetraclipeoides acutissimus
Tetraclipeoides acutissimus

Tetraclipeoides aemulus
Tetraclipeoides aemulus

Tetraclipeoides anomaliceps
Tetraclipeoides anomaliceps

Tetraclipeoides denticulatus
Tetraclipeoides denticulatus

Tetraclipeoides dentiger
Tetraclipeoides dentiger

Tetraclipeoides dentigerulus
Tetraclipeoides dentigerulus

Tetraclipeoides formidatus
Tetraclipeoides formidatus

Tetraclipeoides moquinus
Tetraclipeoides moquinus

Tetraclipeoides testaceiventris
Tetraclipeoides testaceiventris

Tetraclipeoides texanus
Tetraclipeoides texanus

Tetradonia megalops
Tetradonia megalops

Tetragonoderus fasciatus
Tetragonoderus fasciatus

Tetragonoderus intersectus
Tetragonoderus intersectus

Tetraleucus picticornis
Tetraleucus picticornis
Tetralimonius definitus
Tetralimonius definitus

Tetralimonius humeralis
Tetralimonius humeralis

Tetralimonius maculicollis
Tetralimonius maculicollis

Tetralimonius nimbatus
Tetralimonius nimbatus

Tetralimonius ornatulus
Tetralimonius ornatulus

Tetraonyx quadrimaculata
Tetraonyx quadrimaculata

Tetraopes annulatus
Tetraopes annulatus

Tetraopes basalis
Tetraopes basalis

Tetraopes skillmani
Tetraopes skillmani

Tetraopes sublaevis
Tetraopes sublaevis

Tetrascapha dentata
Tetrascapha dentata

Tetratoma concolor
Tetratoma concolor

Tetratoma tessellata
Tetratoma tessellata

Tetratoma truncorum
Tetratoma truncorum

Tetropium abietis
Tetropium abietis

Tetropium parallelum
Tetropium parallelum

Tetropium parvulum
Tetropium parvulum

Tetropium schwarzianum
Tetropium schwarzianum

Tetropium velutinum
Tetropium velutinum

Texas Elephant Beetle
Megasoma vogti

Texas Redbud Borer
Ptosima laeta

Texas Solanum Weevil
Trichobaris texana

Thalasselephas testaceus
Thalasselephas testaceus

Thalassotrechus barbarae
Thalassotrechus barbarae

Thalpius cubanus
Thalpius cubanus

Thalpius dorsalis
Thalpius dorsalis

Thalpius hoegei
Thalpius hoegei

Thalpius horni
Thalpius horni

Thalpius pygmaeus
Thalpius pygmaeus

Thalpius simplex
Thalpius simplex

Thalycra carolina
Thalycra carolina

Thalycra concolor
Thalycra concolor

Thambus horni
Thambus horni

Thanasimus trifasciatus
Thanasimus trifasciatus

Thanatophilus coloradensis
Thanatophilus coloradensis

Thanatophilus sagax
Thanatophilus sagax

Thanatophilus trituberculatus
Thanatophilus trituberculatus

Thanatophilus truncatus
Thanatophilus truncatus

Thaumaglossa americana
Thaumaglossa americana

The Tanner
Prionus coriarius

Thecesternus affinis
Thecesternus affinis

Thecesternus hirsutus
Thecesternus hirsutus

Thecesternus humeralis
Thecesternus humeralis

Thecturota capito
Thecturota capito

Thermonectus nigrofasciatus
Thermonectus nigrofasciatus
Identification: Diagnosis : Det. Iustin Cret, 2015

Thermonectus sibleyi
Thermonectus sibleyi

Thesiastes debilis
Thesiastes debilis

Thesiastes fossulatus
Thesiastes fossulatus

Thesium cavifrons
Thesium cavifrons

Thief Weevil
Pterocolus ovatus

Thin-lined Tiger Beetle
Cicindelidia tenuisignata

Thinoxenus squalens
Thinoxenus squalens

Thinusa fletcheri
Thinusa fletcheri

Thione championi
Thione championi

Thistle Tortoise Beetle
Cassida rubiginosa

Thomas's Oak Borer
Derobrachus thomasi

Thoracophorus brevicristatus
Thoracophorus brevicristatus

Thoracophorus costalis
Thoracophorus costalis