Abstract
Fecundity, egg density, and egg viability of Hypera Postica (Gyllenhal) were investigated at Urbana, Carbondale, and Dixon Springs, Illinois, and Vincennes, Indiana. Longer oviposition periods and larger egg populations occurred at the southern locations (Carbondale, Dixon Springs, and Vincennes), than occurred in Urbana. Adult weevils mated and oviposited in the laboratory at 1.7°C but not at −1.1°C. The total number of eggs, egg viability, and adult survival decreased after adults were exposed to 35°C.
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