The Effect of Enforced Locomotor Activity on Lipid Content in Allatectomized Males of Locusta migratoria migratorioides

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Abstract
1. Allatectomy has no apparent effects upon feeding activity in males of L. m. migratorioides. If allatectomized locusts are forced to take vigorous exercise, food consumption is increased slightly. 2. Allatectomized males exhibit active sexual behaviour, although they do not develop a mature coloration. 3. The accumulation of lipid in allatectomized males can be limited by forcing the insects to take vigorous exercise. The possibility that hypertrophy of the fat body is due to lethargy in allatectomized male locusts is discussed but considered to be unlikely.