Abstract
Larvae of the Indianmeal moth, Plodia interpunctella (Hubner), and the navel orangeworm, Amyelois transitella (Walker), reared individually in small beakers containing artificial diet, were irradiated at doses ranging from 149 to 627 Gy. Adult emergence was prevented by all doses. Only 13% of the oldest lndianmeal moth larvae irradiated at the lowest dose were able to pupate. No pupation occurred at any other treatment level. Higher radiation doses decreased the time required for 100% larval mortality. Longevity of young larvae was reduced compared with that of controls, whereas longevity of older larvae was increased. Weight gain and food consumption of irradiated larvae were reduced, indicating that while radiation-induced larval mortality may be delayed, damage from feeding would be reduced.
Published Version
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