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Proleg
From Wikipedia, the free encyclopedia
Prolegs are the fleshy, stubby little structures found on the ventral surface of the abdomen of most larval forms of insects of the Order Lepidoptera, though they can also be found on other larval insects such as sawflies and a few types of flies. Prolegs of lepidopteran larvae have a small circle of gripping hooks, called "crochets". The arrangement of the crochets can be helpful in identification to family level. Prolegs are not true legs; they are not jointed, and so lack the five segments (coxa, trochanter, femur, tibia, tarsus) that true insect legs possess. They have their own musculature, but it is limited, and much of the movement of the prolegs is accomplished via hydraulics.
- Peterson, A. 1948. Larvae Of Insects. Part I: Lepidoptera & Hymenoptera; Part II: Coleoptera, Diptera, Neuroptera, Siphonaptera, Mecoptera, Trichoptera. Columbus, OH.
- Richards, O.W. & R.G. Davies. 1977. Imm's General Textbook of Entomology, 10th ed. (2 Volumes). Chapman & Hall, London.
- Snodgrass, R.E. 1935 (1993 reprint). Principles of Insect Morphology. Cornell University Press, Ithaca, NY.
Terrestrial locomotion in animals
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