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J Chem Ecol

Title:		"Sources of fall armyworm,Spodoptera frugiperda (Lepidoptera: Noctuidae), kairomones eliciting host-finding behavior inCotesia (=Apanteles) marginivenitris (Hymenoptera: Braconidae)"
Author(s):		Loke WH; Ashley TR;
Address:		"U.S. Department of Agriculture, Insect Attractants, Behavior, and Basic Biology Research Laboratory, Agricultural Ressearch Service, 32604, Gainesville, Florida"
Journal Title:		J Chem Ecol
Year:		1984
Volume:		10
Issue:		7
Page Number:		1019 - 1027
DOI:		10.1007/BF00987510
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		"Bioassay responses inCotesia marginiventris (Cresson) females to materials derived from fall armyworm (FAW) larvae,Spodoptera frugiperda (J. E. Smith), were most intense for frass and somewhat less intense for larval and pupal cutical materials, scales, exuviae, silk, and oral secretion, with FAW larval hemolymph eliciting only a slight response. The highest percentage of ovipositor probing was caused by frass (100%) and moth scales (90%). Various types of corn-leaf damage when assayed alone did not produce responses as intense as when assayed in combination with frass, cuticle material, and oral secretion. Parasitoid response was somewhat better to frass derived from FAW larvae feeding on corn and peanut leaves than from larvae feeding on the foliage of soybeans, Bermuda grass, cowpeas, or laboratory diet. Hexane and chloroform were better than methanol and water for extracting active material from FAW frass, and chloroform was the best of these solvents for extracting corn leaves. Serial dilutions of frass extracts resulted in a reduction in parasitoid response"
Keywords:
Notes:		"PubMed-not-MEDLINELoke, W H Ashley, T R eng 1984/07/01 J Chem Ecol. 1984 Jul; 10(7):1019-27. doi: 10.1007/BF00987510"