THE EFFECT OF JUVENILE HORMONE ON THE FUNCTION OF THE ACCESSORY GLAND OF THE ADULT MALE COCKROACH PERIPLANETA AMERICANA (ORTHOPTERA: BLATTIDAE)

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Abstract
The juvenile hormone was necessary for the sex accessory glands in newly metamorphosed, adult males, to produce a normal amount of spermatophore material. Protein production could be restored to normal in allatectomized newly metamorphosed roaches by implanting adult or nymphal roach corpora allata. In decapitated roaches, the weight of the accessory gland is reduced drastically. The weight of the gland could be increased by implanting adult roach corpora allata, or by injecting juvenile hormone.