Outline Classification of Insects — Class Insecta or Hexapoda
Sub-class A, Apterygota
Order
Thysanura (Bristle-tails).
Collembola (Spring-tails).
Sub-class B, Exopterygota
Order
Dermaptera (Earwigs).
Orthoptera (Cockroaches, Grasshoppers, Crickets).
Plecoptera (Stone-flies).
Isoptera (Termites or ‘White Ants’).
Corrodentia
Copeognatha (Book-lice).
Mallophaga (Biting-lice).
Ephemeroptera (May-flies).
Odonata (Dragon-flies).
Thysanoptera (Thrips).
Hemiptera
Heteroptera (Bugs, Pond-skaters)
Homoptera (Cicads, ‘Greenfly,’ Scales).
Anoplura (Lice).
Sub-class C, Endopterygota
Order
Neuroptera (Alder-flies, Ant-lions, Lacewings).
Coleoptera (Beetles).
Mecaptera (Scorpion-flies).
Trichoptera (Caddis-flies).
Lepidoptera (Moths and Butterflies).
Diptera (Two-winged flies)
Orthorrhapha (Crane-flies, Midges, Gnats)
Cyclorrhapha (Hover-flies, House-flies, Bot-flies, &c).
Siphonaptera (Fleas).
Hymenoptera
Symphyta (Saw-flies)
Apocrita (Gall-flies, Ichneumon-flies, Wasps, Bees, Ants).