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PHASMATODEA Stick and leaf insects.

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Presentation on theme: "PHASMATODEA Stick and leaf insects."— Presentation transcript:

1 PHASMATODEA Stick and leaf insects

2 Hexapod Orders Phasmatodea Phasma - phantom Number of Species 3,000
Common names Stick insects, leaf insects Typical habitats - arboreal, worldwide Distinguishing characteristics no ovipositor no saltatorial hind legs -elongated prothorax Other features -some show parthenogenesis -very cryptic -prolonged mating

3 Features of Phasmatodea
Hindlegs not saltatorial Elongate pronotum No ovipositor

4 Reproduction - mating

5 Reproduction - eggs operculum -mimic seed pods

6

7 BLATTODEA Roaches

8 Hexapod Orders Blattodea Blatta - roach Number of Species 4,000
Common names Roaches, cockroaches Typical habitats - damp, warm dark areas - tropical forests Distinguishing characteristics No ovipositor No saltatorial hind legs Other features -ootheca used in oviposition

9 Distinguishing feature - Ootheca

10 Modes of Reproduction Oviparous Ovoviviparous Viviparous

11 MANTODEA Mantids

12 Hexapod Orders Mantodea Mantid - soothsayer Number of Species 2.300
Common names Mantids Typical habitats - arboreal Distinguishing characteristics Predatory adaptations Other features -ootheca used in oviposition

13 Predatory adaptations
Large eyes Freely moving head Predatory adaptations Elongated prothorax Raptorial forelegs

14 Predatory adaptations
Crypsis

15 Predatory adaptations
Crypsis

16 Mantodea - reproduction

17 Mantodea - reproduction

18 Mantodea - reproduction

19 ISOPTERA (termites)

20 Hexapod Orders Isoptera Iso - equal, ptera - wings Number of Species
2.900 Common names Termites, white ants Typical habitats - fossorial, colonial Distinguishing characteristics Sociality Castes Other features -loss of ovipositor

21 Termites

22 Termite Castes King Queen Alates Soldier Worker

23 Termite Life Cycle Supplemental reproductives Worker Soldier Alate
(winged reproductive} Reproductive nymph Nymphs Eggs Wingless reproductive King Queen

24 Fig. 3. Dorsal view of various castes in Glossotermes oculatus: (A) apterous immature; (B) female apterous neotenic; (C) nymph; and (D)female nymphoid neotenic. Fig. 2. Live individuals of Glossotermes oculatus, exposed after damage to the log housing the colony. S, soldiers; L, larva; other individuals are apterous immatures. Total length of an apterous immature, from mandibles to tip of abdomen, is about 3mm.

25 How are castes determined?
King Queen stimulates Produce male inhibitor Produce female inhibitor proctodeal feeding proctodeal feeding Male nymph Female nymph Absorbs male inhibitor Passes female inhibitor Absorbs female inhibitor Passes male inhibitor To other worker nymphs via mutual feeding

26 Termite nests

27 Termite nests Heat Regulation Path of sun General orientation of nest

28 Termite Damage


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