Suppression of pupal esterase activity in Aedes aegypti (Diptera: Culicidae) by an insect growth regulator

Downer, R.G.; Wiegand, M.; Smith, S.M.

Experientia 31(10): 1239-1240

1975


ISSN/ISBN: 0014-4754
PMID: 1204757
Document Number: 91771
Changes in the non-specific esterases of Aedes aegypti (L.) were noted during pupal development. One esterase band was found to increase markedly within 3 h of pupation, and this increase in activity was suppressed by prior treatment of larvae with the insect growth regulator methoprene (ZR 515). It is suggested that the esterase activity may help to reduce endogenous levels of juvenile hormone during metamorphosis and that the growth regulator may prevent this normal regulation.

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