Abstract
STERILIZATION of adult insects with juvenile hormone mimics has been reported several times1–5, but only once for adult mosquitoes and no details were given2. I report here on the sterilizing effect of three juvenile hormone mimics on female Aedes aegypti. They were (i) mixed geometric isomers of methyl 10,11-epoxy-3,7,11-trimethyl-2,6-tridecadienoate (CJH2), one of two substances with high juvenile hormone activity isolated from Cecropia oil6; (ii) mixed geometric isomers of farnesyl methyl ether (FME) and (iii) 2 cis/trans, 6 trans farnesenic acid ethyl ester (FAE). All three compounds were first tested on fifth instar Rhodnius prolixus using Wiggles-worth's method7. The doses to give a score of ten were as follows: CJH2 1.3µg; FME 1.4 µg; FAE 31.7 µg.
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