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Table 5.2 Classification of insects

Subclass

Orders

Examples

I. Aterygota (primitive wingless insects)

1. Protura

Telsonatails

(Acerentomon,

Acerentulus)

2. Collembolan (glue)

Springtails (Sminthurus,

orchesella, Isotoma)

3. Thysanura (tassel tail)

Silverfish (Lepisma)

II. Pterygota (winged insects)

Division-1. Exopterygota

(Heterometabola)

insects with simple metamorphosis

4. Ephemeroptera

Mayflies (Ephemera)

5. Placopterida (folded

wings)

Stoneflies (Isoperla)

6. Odonata (toothed)

Dragonflies, Damselflies

7. Embioptera (straight

wings)

Webspinners

(Oligotoma)

8. Orthoptera (straight

wings)

Grasshopper, Locust

9. Phasmida

Leaf insect, Stick insect

10. Dermoptera (skin wings)

Earwig (Forficula)

11. Blattaria

Cockroaches

12. Mantoidea

Praying mantids

13. Isoptera (equal wings)

Termites, white ants

14. Corrodentia/Psocoptera

(gnawing)

Booklice (Liposcelis)

15. Mallophaga

Bird lice, biting lice

16. Anoplura/Siphunculata

(unarmed tail)

True lice, sucking lice

(Pediculus)

17. Thysanoptera (tassel

wing)

Thrips (Heliothrips)

18. Heteroptera

True bugs, Soapnut bug

19. Homoptera (half wings)

Cicadas, Aphids, Scale

insects (Cimex,

Belostoma)

Division-2. Endopterygota

(Holometabolous)

insects with complete metamorphosis

20. Coleoptera (sheath

wings)

Beetles

21. Hymenoptera

(membrane wings)

Ants, Bees, Wasps

22. Megaloptera

Dobson flies

23. Neuroptera (nerve wings) Lacewings

24. Mecoptera (length

wings)

Scorpion flies (Panorpa)

(continued)