Corn Residue as an Overwintering Site for Spiders and Predaceous Insects in Florida
Abstract
Corn residue was used as an overwintering site by 24 species of spiders (Araneae) and 25 predaceous Coleoptera, Hemiptera and Dermaptera in northern Florida. The two principal microsites were the cavity formed between the leaf sheath and stem, and between layers of imbricate bracts (husks) of shelled corncobs. Several pest species were also found in these sites: chinch bugs (Blissus insularis), false chinch bugs (Pachybrachius vinctus) and rice weevils (Sitophilus orvzae). When both sites were available, shelled corn cobs were highly preferred by both predators and pests.Downloads
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