Abstract
Oidaematophorus monodactylus (L.), a plume moth, is common on hedge bindweed (Convolvulus sepium L.) in Virginia. Females collected early in June and maintained at 23.9°±1°C laid an average of 173 eggs, 61% viable, during a 10-day oviposition period. Duration of the egg stage was 3.5 days. Newly eclosed 1st instars fed gregariously on the leaves and spread out on the plant as they developed, 57% reached adulthood. Average larval leaf consumption was 13 cm2 at 18.3°C, increasing to 16 cm2 at 29.4°C. Over 60% was consumed by the last instar. The 1st–4th stadia were, respectively: 3.3, 3.6 , 4.1, and 6.7 days. The pupal stage lasted 7.1 days and mean development period from egg to adult was 28.3 days at 23.9°C. Adult longevity averaged 26.7 days for the female and 23.4 for the male.
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