Ecdysteroids, Juvenile Hormone and Vitellogenesis in the Cockroach Leucophaea maderae.


Topical application of 400 micro g of the juvenile hormone analog, methoprene, to females of the penultimate instar of Leucophaea maderae failed to induce vitellogenin synthesis. However, last instar females showed an increasing response level in making vitellogenin as they aged during the first half of the instar. In the second half of the last instar the… (More)


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