Archaegnatha

'bristletails'

Zygentoma

'silverfish'

Ephemeroptera

'mayflies'

Odonata

'dragonflies and damselflies'

Epiprocta

'dragonflies'

Zygoptera

'damselflies'

Plecoptera

'stoneflies'

Dermaptera

'earwigs'

Zoraptera

'angel insects, ground lice'

Blattodea

'termites and cockroaches'

Isoptera

'termites'

Mantodea

'praying mantis'

Orthoptera

'grasshoppers, crickets, katydids'

Ensifera

'katydids, crickets'

Caelifera

'grasshoppers, locusts'

Grylloblattodea

'rock crawlers, ice crawlers'

Mantophasmatodea

'the gladiators, heelwalkers'

Phasmatodea

'stick & leaf insects'

Embioptera

'webspinners'

Pscocodea

'barklice, booklice, true lice'

Thysanoptera

'thrips'

Hemiptera

'bugs, aphids, hoppers, etc'

Coleorrhyncha

-sub order of hemiptera

-single fam

Heteroptera

-sub order of hemiptera

-'true bugs'

Auchenorrhyncha

-sub order of hemiptera

-'hoppers'

Sternorrhyncha

-sub order of hemiptera

-basal

Raphidioptera

'snakeflies'

Megaloptera

'alderflies, dobsonflies, fishflies'

Neuroptera

'lacewings, antlions, mantidflies'

Coleoptera

'beetles'

Archostemata

-coleoptera sub order

-basal

Mxyophaga

-coleoptera sub order

-algal feeders

Adephaga

-coleoptera sub order

-mostly predaceous

Polyphaga

-coleoptera sub order

-mostly herbivorous

-largest of the 4 sub orders

Strepsiptera

'strepsipterans'

Mecoptera

'scorpionflies and fleas'

Diptera

'diptera, flies'

Nematocera

-diptera sub order

-basal

Brachycera

-diptera sub order

-2 groups

Orthorrphaga

-group of sub order Brachycera

-larvae predaceous or parasitic

Cyclorrhapha

-group of sub order Brachycera

-decomposers (saprophagous)

Trichoptera

'caddisflies'

Lepidoptera

'butteflies and moths'

Hymenoptera

'sawflies, wasps, bees, ants'

Symphyta

-hymenoptera sub order

-basal

Apocrita

-hymenoptera sub order

-most derived