BLATTODEA

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BLATTODEA Roaches
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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
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Distinguishing feature - Ootheca
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Modes of Reproduction
Oviparous Ovoviviparous Viviparous
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MANTODEA Mantids
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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
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Large eyes Freely moving head
Predatory adaptations
Elongated prothorax
Raptorial forelegs
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Predatory adaptations
Crypsis
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Predatory adaptations
Crypsis
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Mantodea - reproduction
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Mantodea - reproduction
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Mantodea - reproduction
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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
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Termite Castes
Queen
King
Alates
Soldier
Worker
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Termite Life Cycle
Supplemental reproductives
Worker
Soldier
Alate (winged reproductive
Reproductive nymph
Nymphs
Eggs
Wingless reproductive
King
Queen
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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
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Termite nests
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Heat Regulation
Termite nests
Path of sun
General orientation of nest
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Termite Damage
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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.