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J Econ Entomol

Title:		Effects of mating disruption treatments on navel orangeworm (Lepidoptera: Pyralidae) sexual communication and damage in almonds and pistachios
Author(s):		Higbee BS; Burks CS;
Address:		"Paramount Farming Company, 33141 E Lerdo Highway, Bakersfield, CA 93308, USA"
Journal Title:		J Econ Entomol
Year:		2008
Volume:		101
Issue:		5
Page Number:		1633 - 1642
DOI:		10.1603/0022-0493(2008)101[1633:eomdto]2.0.co;2
ISSN/ISBN:		0022-0493 (Print) 0022-0493 (Linking)
Abstract:		"Two experiments in 2003 examined the effects of different ways of dispensing the principal sex pheromone component on sexual communication among and crop damage by the navel orangeworm, Amyelois transitella (Walker) (Lepidoptera: Pyralidae) in Nonpareil almonds and pistachios. A third experiment in 2004 compared the effect on navel orangeworm damage to several almond varieties using one of these dispensing systems by itself or with phosmet, phosmet alone, and an untreated control. Additional data are presented estimating release rates from timed aerosol release devices (PuffersNOW, Suterra LLC, Bend, OR) and hand-applied membrane dispensers. In 2003, puffers placed peripherally around 16-ha blocks, evenly spaced Puffers, and hand-applied dispensers reduced males captured in virgin-baited traps by > or = 95% and mating in sentinel females by > or = 69%, with evenly placed Puffers showing greater reduction of males captured and females mated compared with the other dispensing systems. Mating disruption with gridded Puffers or hand-applied devices in almonds resulted in an approximately 37% reduction of navel orangeworm damage (not significant), whereas peripheral Puffers resulted in a 16% reduction of navel orangeworm damage to almonds. In pistachios neither peripheral nor gridded Puffers reduced navel orangeworm damage, whereas insecticide reduced damage by 56%. In 2004, Puffers alone, insecticide alone, and both in combination significantly reduced navel orangeworm damage in Nonpareil almonds. In other, later harvested varieties, the insecticide treatments reduced damage, whereas the mating disruption treatment alone did not. We discuss application of these findings to management of navel orangeworm in these two crops"
Keywords:		"*Animal Communication Animals Female Male Moths/*drug effects Pest Control, Biological/*methods Pistacia/*parasitology Prunus/*parasitology Sex Attractants/*pharmacology Sexual Behavior, Animal/*drug effects;"
Notes:		"MedlineHigbee, Bradley S Burks, Charles S eng Comparative Study Evaluation Study Research Support, Non-U.S. Gov't England 2008/10/28 J Econ Entomol. 2008 Oct; 101(5):1633-42. doi: 10.1603/0022-0493(2008)101[1633:eomdto]2.0.co; 2"