2. 1

3. 2

4. 3 head thorax abdomen

5. 4 *The first body region is the head. Insect heads can be highly variable, but most possess eyes, antennae and mouthparts.

6. 5 antennae Head mouthparts compound eyes eyes

7. 6

8. 7

9. 8

10. 9 *Antennae are used by insects as major sensory devices, especially for smell, and can be adaptive for the insect in many ways. Found below or between Compound Eyes* *Made of a scape, pedicle and flagellum.

11. 10

12. 11 *Thread like. *Segments are usually cylindrical. *Thickness of segments remains same throughout. Example: ground beetle and grasshopper.

13. 12 Grasshopper- Syrbula admirabilis

14. 13 * Antenna in which the flagellum is reduced to a short, slender bristle-like structure. Dragonflies Example:

15. 14 Are bead like in shape *Segments are either globular or spherical with prominent constriction in between. Example: Termites

16. 15

17. 16 *Serrate antennae have a sawtoothed shape. *Segments have short triangular projections on one side. Example: Click beetles.

18. 17 Click-beetle- Athous haemorrhoidalis

19. 18 *Pectinate antennae have a comb-like shape. *Segments with long slender processes on one side Example: Fire-coloured beetles and glow-worms.

20. 19 Segments with long slender lateral processes on both the sides Example: Silkworm moth

21. 20 Silkworm moth

22. 21 Clavate antennae are gradually clubbed at the end. Example: Carrion beetles

23. 22 Capitate antennae are abruptly clubbed at the end. Example: Butterflies.

24. 23 Butterflies

25. 24 Antennal tip is expanded laterally on one side to form flat plates. Example: June beetle.

26. 25 June beetle Polyphylla spp.

27. 26 Geniculate antennae are hinged or bent like an elbow. Example: Bees and ants

28. 27

29. 28 Honey bee

30. 29 Aristate antennae are pouch-like with a lateral bristle. Example: House flies.

31. 30

32. 31 Feathery like. Segments with long whorls of hairs. Example: male mosquito.

33. 32 like.Hairy Example: Female mosquito.

34. 33 Female mosquito

35. 34