Abstract
In 1972 and 1973, numerous wild host plants in the Pee Dee area of South Carolina were surveyed for populations of larvae of Heliothis spp. Carolina geranium, Geranium carolinianum L., toadflax, Linaria canadensis L., beard-tongue, Penstemon laevigatus Aiton, and crimson clover, Trifolium incarnatum L., were primary spring hosts; later in the season, beggarweed, Desmodium spp., deergrass, Rhexia spp., morning glory, Ipomoea spp., prickly sida, Sida spinosa L., and bicolor lespedeza, Lespedeza bieolor Turcz., were favored. Only the parasities Cardioehiles nigrieepes Viereck and Campoletis spp. and the disease Spiearia rileyi (Farlow) Charles occurred frequently enough to deter the development of populations of Heliothis spp. in the Pee Dee area of South Carolina.
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