True Bugs, Cicadas, Hoppers, Aphids and Allies
Order Hemiptera
The True Bugs, Cicadas, Hoppers, Aphids and Allies (Order Hemiptera) includes 7,349 species across 120 families and 1,727 genera in our directory.
About True Bugs, Cicadas, Hoppers, Aphids and Allies
Hemiptera (true bugs) includes over 80,000 described species across cicadas, aphids, leafhoppers, shield bugs, and bed bugs. Aphids alone cost global agriculture an estimated $2.5 billion annually in crop losses.
Economic Impact
The brown marmorated stink bug (Halyomorpha halys) caused $37 million in apple crop losses in a single year in the U.S. Mid-Atlantic region. Bed bug infestations in the U.S. increased by 500% between 2001-2010, costing the hotel industry hundreds of millions annually.
Ecological Role
Many Hemiptera are essential food sources for birds and predatory insects. Cicadas provide massive nutrient pulses during emergence events - a single Brood X emergence can involve trillions of individuals across 15 states.
Families in Hemiptera (120)
Species in Hemiptera (7,349)

Oecleus rhion
Oecleus rhion

Oecleus sagittanus
Oecleus sagittanus

Oecleus snowi
Oecleus snowi

Oecleus subreflexus
Oecleus subreflexus

Oecleus tamiamus
Oecleus tamiamus

Oecleus troxanon
Oecleus troxanon

Oecleus vates
Oecleus vates

Oecleus venosus
Oecleus venosus

Oeclidius carolus
Oeclidius carolus
Oeclidius fraternus
Oeclidius fraternus

Oeclidius nanus
Oeclidius nanus

Oeclidius nimbus
Oeclidius nimbus

Oeclidius transversus
Oeclidius transversus

Oedancala dorsalis
Oedancala dorsalis

Okanagana canescens
Okanagana canescens
Okanagana formosa
Okanagana formosa

Okanagana fratercula
Okanagana fratercula
Okanagana georgi
Okanagana georgi
Okanagana hirsuta
Okanagana hirsuta

Okanagana oregona
Okanagana oregona
Okanagana orithya
Okanagana orithya
Okanagana rhadine
Okanagana rhadine
Okanagana salicicola
Okanagana salicicola

Okanagana sequoiae
Okanagana sequoiae
Okanagana sperata
Okanagana sperata

Okanagana sugdeni
Okanagana sugdeni

Okanagana triangulata
Okanagana triangulata

Okanagana tristis
Okanagana tristis

Okanagana venusta
Okanagana venusta

Okanagana villosa
Okanagana villosa

Okanagana vocalis
Okanagana vocalis
Okanagana yakimaensis
Okanagana yakimaensis

Okanagodes gracilis
Okanagodes gracilis

Oleander Aphids
Aphis nerii

Oleander scale
Aspidiotus nerii

Oleaster psyllid
Cacopsylla fulguralis

Oliaridellus apache
Oliaridellus apache

Oliaridellus retentus
Oliaridellus retentus

Oliaridus caldwelli
Oliaridus caldwelli

Oliaridus californicus
Oliaridus californicus

Oliaridus hesperius
Oliaridus hesperius

Oliaridus kieferi
Oliaridus kieferi

Oliaridus knullorum
Oliaridus knullorum

Oliaridus lobatus
Oliaridus lobatus

Oliaridus pima
Oliaridus pima

Oliaridus sementinus
Oliaridus sementinus

Oliaridus sonoitus
Oliaridus sonoitus

Oliaronus tontonus
Oliaronus tontonus

Oliarus chuliotus Ball, 1934Bifoliarus chuliotus
Bifoliarus chuliotus

Oligotylus ceanothi
Oligotylus ceanothi

Olive Psyllid
Euphyllura olivina

Ollarianus armus
Ollarianus armus

Ollarianus bullatus
Ollarianus bullatus

Ollarianus insanus
Ollarianus insanus

Ollarianus kinoanus
Ollarianus kinoanus
Ollarianus ollus
Ollarianus ollus
Ollarianus rudiculus
Ollarianus rudiculus

Ollarianus strictus
Ollarianus strictus

Olympic Scrub Cicada
Diceroprocta olympusa

Omanana litigiosa
Omanana litigiosa

Omanana tortolita
Omanana tortolita

Omansobara palliolata
Omansobara palliolata

Omolicna mcateei
Omolicna mcateei
Omolicna nigripennis
Omolicna nigripennis

Omolicna texana
Omolicna texana

Omolicna uhleri
Omolicna uhleri

Oncerometopus impictus 0
Oncerometopus impictus

Oncerometopus nicholi
Oncerometopus nicholi

Oncerometopus nitens
Oncerometopus nitens
Oncocephalus apiculatus 0
Oncocephalus apiculatus

Oncopeltus cayensis
Oncopeltus cayensis

Oncopeltus cingulifer
Oncopeltus cingulifer
Oncopeltus sandarachatus
Oncopeltus sandarachatus

Oncopeltus sanguineolentus
Oncopeltus sanguineolentus

Oncopsis abietis
Oncopsis abietis

Oncopsis albicollis
Oncopsis albicollis

Oncopsis aureostria
Oncopsis aureostria

Oncopsis californica
Oncopsis californica

Oncopsis cinctifrons
Oncopsis cinctifrons

Oncopsis citra
Oncopsis citra

Oncopsis citrella
Oncopsis citrella

Oncopsis concurrens
Oncopsis concurrens

Oncopsis crispae
Oncopsis crispae

Oncopsis deluda
Oncopsis deluda

Oncopsis dentata
Oncopsis dentata

Oncopsis dorsalis
Oncopsis dorsalis

Oncopsis ferrosa
Oncopsis ferrosa

Oncopsis flavidorsum
Oncopsis flavidorsum

Oncopsis incidens
Oncopsis incidens

Oncopsis infumata
Oncopsis infumata

Oncopsis interior
Oncopsis interior

Oncopsis juno
Oncopsis juno

Oncopsis lata
Oncopsis lata

Oncopsis marilynae
Oncopsis marilynae

Oncopsis minor
Oncopsis minor

Oncopsis monticola
Oncopsis monticola

Oncopsis nigrinasi
Oncopsis nigrinasi

Oncopsis prairiana
Oncopsis prairiana

Oncopsis prolixa
Oncopsis prolixa

Oncopsis quebecensis
Oncopsis quebecensis