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[R] Order of holometabolous insects ; larva of Symphyta (lower Hymenoptera) caterpillar-like; higher Hymenoptera provided with a sting sometimes modified into an oviscapt, larva apodous and with a well-developed head; adult bearing 2 pairs of membranous wings, fore wings being twice as large as hind wings; mouthparts adapted for biting or lapping.
Order includes numerous beneficial insects: pollinators (honey bee, bumble bee, etc.) and parasites such as trichogrammids. It also includes many pests from various families: the Cephidae, Tenthredinidae and Vespidae.

[R] Images

* Tenthredinidae: larva and adult (INRA)
1: larva; a: head; b: thoracic legs; c: abdominal prolegs.
2: adult.
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* Hymenoptera Aculeata (INRA)
1: larva with reduced head and chewing mouthparts (arrowed).
2: adult.
a: mouth parts (of the chewing type, often modified); b: antenna; c: membranous fore wing; d: hind wing (2 fold smallest than the fore wing); e: petiole; f: aiguillon.
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HYPPZ on line: Species (scientific names), Pests (common names), Glossary, Crops.

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