Insect Orders, Subphylums and Families

Subphylum Trilobitomorpha (extinct)

Subphylum Chelicerata

subphylum Crustacea 

• 2 pairs of antennae

subphylum Myriapoda 

Order Collembola

springtails

• 3 tagmata

• 3 pairs of legs

• furcula, tenaculum, collophore

• encapsulated mouthparts

Order Collembola

springtails

• 3 tagmata

• 3 pairs of legs

• furcula, tenaculum, collophore

• encapsulated mouthparts

Order Collembola - entognatha

springtails

• 3 tagmata

• 3 pairs of legs

• furcula, tenaculum, collophore

• encapsulated mouthparts

order zygentoma - apterygota

silverfish

• wingless, flattened, long antennae

• 3 equally long filaments

• small or absent eyes

• long antennae

order Ephemeroptera

mayflies

• large fore wings, small hind wings

• very short antennae

• adults 2 or 3 cerci

• larvae: gills

order Ephemeroptera

mayflies

• large fore wings, small hind wings

• very short antennae

• adults 2 or 3 cerci

• larvae: gills

order odonata damselflies

• large eyes, predatory

• larvae - external gills at the end of abdomen

• slender abdomen

• wings folded at rest 

order odonata dragonflies

• large eyes, predatory

• larvae - internal gills at end of abdomen

• wide abdomen

• wings held open at rest 

order Grylloblattodea (orthopteroids)

icebugs / ice crawlers

• incomplete matamorphosis

• wingless

• cold adapted 

order Phasmatodea (orthopteroids)

walking sticks

• masters of camouflage

order orthoptera (orthopteroids)

grasshoppers, crickets, katydids

• 1st pair of wings robust and leathery

• 2nd pair of wings membranous

• stridulation

• saltatorial hind legs 

order mantodea (orthopteroids)

praying mantids

• enlarged fore legs

• moveable head

• voracious female 

order blattodea

cockroaches

• round body

• round pronotum

• long antennae 

order blattodea, infraorder isoptera

termites

• eusocial insects

• parental care

• division of labor

• digest wood fiber

order hemiptera (auchennorrhyncha) family cercopidae, spittle bugs

order hemiptera (auchennorrhyncha) family cicadellidae (leafhoppers)

• pests 

• spread diseases

order hemiptera (auchennorrhyncha) family membracidae (tree hoppers)

order hemiptera (auchennorrhyncha) family cicadidae (cicadas)

• song

• long life cycle 

order hemiptera (sternorrhyncha) family aphididae (aphids)

• important forest/agricultural pest

• herbivorous, phloem feeders

• parthenogenic (asexual reproduction) 

order hemiptera (sternorrhyncha) family coccidae (scale insects)

• important pest

• adult female sessile

• crawler nymph 

order hemiptera (heteroptera) true bugs

order hemiptera (heteroptera) family coreidae

leaf footed bugs

order hemiptera family lygaeidae

seed bugs

order Psocodea (parvorder Phthiraptera) 

lice

• parasites birds and mammals

• modified tarsi 

order Coleoptera

beetles

• elytra

Family Carabidae

ground beetles

family Staphylinidae 

rove beetles

• short elytra, flexible abdomen

Family Cerambycidae

longhorn beetles

Family Buprestidae

jewel beetles, metallic wood boring beetles 

Family Curculionidae 

bark beetles

order Neuroptera

lacewings and ant lions

• soft bodies

• long, thread like antennae

• large round eyes

• chewing mouth adults, piercing sucking mouth larvae

• complete metamorphosis 

order Mecoptera

scorpionflies 

• complete metamorphosis 

• elongated rostrum

order trichoptera

caddisflies

• hairy wings, not scales

• held tent like

• no proboscis 

order lepidoptera

moths and butterflies

order diptera

flies

• one pair of true wings

• halteres

• short antennae

• sucking mouth part 

order hymenoptera

bees, wasps, ants, sawflies