Hymenoptera.pptx - E TE SOME SPECIAL FEATURES OF HYMENOPTERA Wings membranous hind wings smaller than the fore wings,which interlock by means of hamuli

Hymenoptera.pptx - E TE SOME SPECIAL FEATURES OF...

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SOME SPECIAL FEATURES OF HYMENOPTERA: Wings membranous, hind wings , smaller than the fore wings ,which interlock by means of hamuli, venation reduced. Mouth parts primarily mandibulate, often modified for chewing and lapping Abdomen usually basally constricted and its first segment fused with metathorax forming propodeum Ovipositor in higher families modified into a string Larvae generally apodous, rarely eruciform with more than 5 pairs of prolegs without crochets Pupae exarate and generally covered by
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SUB ORDER-SYMPHYTA Abdomen broadly joins with thorax without any constrictions Hind wings with 2 or more closed basal cells , trochanter 2 segmented Ovipositor adapted for sawing or boring Larvae eruciform
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FAMILY- TENTHREDINIDAE Commonly known as sawflies
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Sawflies are distinguishable from most other hymenopterans by the broad connection between the abdomen and the thorax, and by their caterpillar-like larvae.
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