Abstract
Reproduction of pink bollworm, Pectinophora gossypiella (Saunders), male and female moths from 10- or 15-krad irradiated pupae mated to untreated females or untreated males was reduced 88% or more. Numbers of spermatophores per female from male moths emerging from irradiated pupae were significantly reduced. Percentages of males mating was not different from that of untreated insects except for females from 15- krad pupae paired with untreated males. Inherited sterility was exhibited in both male and female progeny of irradiated parents but was much more apparent in progeny from irradiated male parents. Generally, moths from irradiated pupae and their progeny had reduced longevities. Overall averages across all mating combinations indicated that age of pupae at the time of irradiation treatment and treatment by sex significantly affected oviposition, egg hatch, mating, and longevity. Results varied in some instances and significant interactions of age and mating combinations occurred.
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