The effect of C18 juvenile hormone and Altosid on the efficiency of egg production inRhodnius prolixus

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Abstract
The product (R) of the weight of the blood meal and the initial weight of the insect is shown to be a reliable predictor of egg production. The egg production efficiency (E), defined as the number of eggs produced per R, has a value characteristic of virgin females, and another, higher, value characteristic of mated females. Topical applications of C18 JH or Altosid to virgin females increase the value of E to the mated level in a fashion which suggests that these compounds act via a trigger mechanism. These compounds do not affect the rate at which oviposition occurs.