Abstract
A key to macrotype tachinid eggs, actually or potentially occurring on larvae of Heliothis spp. in North Carolina, is provided, based primarily on eggs from reared and trapped gravid adults. This key is probably valid for most of the southeastern United States. Eggs of Winthemiini are described (the common Heliothis parasites Winthemia rufopicta (Big.) and W. sinuata Reinh., and also W. manducae Sabrosky and DeLoach, W. datanae (Tns.), and Nemorilla pyste (Walk.)).
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