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Common insect orders. Insects are the most species- rich group of organisms on earth as indicated in this species-scape. The size of the organism reflects.

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Presentation on theme: "Common insect orders. Insects are the most species- rich group of organisms on earth as indicated in this species-scape. The size of the organism reflects."— Presentation transcript:

1 Common insect orders

2 Insects are the most species- rich group of organisms on earth as indicated in this species-scape. The size of the organism reflects the number of described species.

3 Parts of an insect

4 HeadThorax Abdomen

5 Parts of an insect HeadThorax Abdomen 3 pairs of legs

6 Parts of an insect HeadThorax Abdomen 3 pairs of legs Wings and legs on thorax

7 Important areas to study to identify common insect orders HeadThorax Abdomen 3 pairs of legs

8 Mouthparts: Chewing mandibles

9 Mouthparts: Piercing Sucking Sponging-sucking Coiled

10 Odonata (dragonflies, damselflies) Greek “odon” = tooth (referring to teeth on their mandibles)

11 Odonata (dragonflies, damselflies)

12 Spot ID Long slender wings

13 Odonata (dragonflies, damselflies) Spot ID Long slender wings Long thin body

14 Blattodea (roaches) Latin “blatta” = cockroach

15 Blattodea (roaches)

16 Spot ID Flat

17 Blattodea (roaches) Spot ID Flat Spiny legs

18 Blattodea (roaches) Spot ID Flat Spiny legs Long antennae

19 Orthoptera (grasshoppers, crickets) Greek “orthos” = straight, “pteros” = wing

20 Orthoptera (grasshoppers, crickets)

21 Spot ID Jumping hind legs

22 Orthoptera (grasshoppers, crickets) Spot ID Jumping hind legs Some with ovipositor at hind end

23 Dermaptera (earwigs) Greek “derma” = skin, “ptero” = wing

24 Spot ID Long skin-like hindwings folded under very short forewings

25 Dermaptera (earwigs) Greek “derma” = skin, “ptero” = wing Spot ID Long skin-like hindwings folded under very short forewings Pinchers off end of abdomen

26 Hemiptera (bugs, hoppers, aphids, scales, cicadas) Greek “hemisys” = half, “ptero” = wing

27 Spot ID A beak: piercing-sucking mouthparts

28 Hemiptera (bugs, hoppers, aphids, scales, cicadas) Greek “hemisys” = half, “ptero” = wing Spot ID A beak: piercing-sucking mouthparts Forewings covering hindwings –Wing half membrane, half thickened or –Wing all membranous

29 Coleoptera (beetles) Greek “koleos”= sheath, “ptero”= wing

30 Coleoptera (beetles)

31 Spot ID Chewing mouthparts

32 Coleoptera (beetles) Spot ID Chewing mouthparts Forewings (elytra) form hard shell covering hindwings

33 Diptera (flies) Latin “di”= two, “ptero”= wing

34

35 Spot ID Two wings

36 Diptera (flies) Latin “di”= two, “ptero”= wing Spot ID Two wings –Hind wings reduced to halteres

37 Diptera (flies) Latin “di”= two, “ptero”= wing Spot ID Two wings –Hind wings reduced to halteres Sponging-sucking mouthparts –Except mosquitoes and some others that pierce skin

38 Hymenoptera (bees, wasps, ants) Greek “hymen”=membrane, “ptero”=wing or Hymen, the Greek god of marriage because the forewing & hindwings are joined together with small hooks Hooks not shown

39 Hymenoptera (bees, wasps, ants)

40 Spot ID Chewing mouthparts

41 Hymenoptera (bees, wasps, ants) Spot ID Chewing mouthparts Four membranous wings

42 Hymenoptera (bees, wasps, ants) Spot ID Chewing mouthparts Four membranous wings Waist often constricted

43 Hymenoptera (bees, wasps, ants) Spot ID Chewing mouthparts Four membranous wings Waist often constricted Females with ovipositor or stinger at end of abdomen

44 Lepidoptera (butterflies, moths) Greek “lepido”= scale, “ptero”= wing

45 Coiling-sucking mouthparts

46 Lepidoptera (butterflies, moths) Greek “lepido”= scale, “ptero”= wing Coiling-sucking mouthparts Four wings covered with scales

47 Insects and other Arthropods


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