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J Chem Ecol

Title:		"Beneficial arthropod behavior mediated by airborne semiochemicals : VI. flight responses of femaleMicroplitis croceipes (CRESSON), a braconid endoparasitoid ofHeliothis spp., to varying olfactory stimulus conditions created with a turbulent jet"
Author(s):		Zanen PO; Lewis WJ; Carde RT; Mullinix BG;
Address:		"Insect Attractants, Behavior, and Basic Biology Research Laboratory Agricultural Research Service, U.S. Department of Agriculture, 32604, Gainesville, Florida"
Journal Title:		J Chem Ecol
Year:		1989
Volume:		15
Issue:		1
Page Number:		141 - 168
DOI:		10.1007/BF02027780
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		"Odor-mediated host-searching by femaleMicroplitis croceipes, a braconid endoparasitoid of larvalHeliothis species, was studied in a flight tunnel. Volatiles emitted by third-instarH. zea feeding on cowpea seedling leaves were released and carried with the wind, resulting either in an irregularly shaped plume, or injected with high velocity, resulting in a conically shaped jet plume. Flight maneuvers ofM. croceipes had a higher stereotype in jet plumes compared to irregularly shaped plumes. Variation in odor concentration in jet plumes due to intermittent feeding of the host larvae did not affect the number of flights. At the levels employed, odor concentration did not alter the rate of upwind progress in jet plumes. Because air velocity inside a jet increases in the upwind direction,M. crocepies regulates its ground-speed during its approach to the odor source"
Keywords:
Notes:		"PubMed-not-MEDLINEZanen, P O Lewis, W J Carde, R T Mullinix, B G eng 1989/01/01 J Chem Ecol. 1989 Jan; 15(1):141-68. doi: 10.1007/BF02027780"