Title: Persistent effects of aerial applications of disparlure on gypsy moth: trap catch and mating success
Author: Thorpe, Kevin W.; Tcheslavskaia, Ksenia S.; Tobin, Patrick C.; Blackburn, Laura M.; Leonard, Donna S.; Roberts, E. Anderson;
Source: Entomologia Experimentalis et Applicata.
Publication Series: Scientific Journal (JRNL)
Description: In forest plots treated aerially with a plastic laminated flake formulation (Disrupt® II) of the gypsy moth sex pheromone disparlure to disrupt gypsy moth, Lymantria dispar (L.) (Lepidoptera: Lymantriidae), mating was monitored the year of treatment and 1-2 years after treatment to determine the effects of the treatment on suppression of trap catch and mating success. In the year of treatment, there was a greater than 95% reduction in trap catch and a greater than 98% reduction in mating success compared to controls. One year after treatment at a dosage of 37.5 g active ingredient (a.i.) ha-1, trap catch was reduced by 46-56% and mating success was reduced by 60-79%. Both trap catch and mating success were significantly reduced compared to controls in plots treated 1 year previously at 15 g a.i. ha-1. Trap catch, but not mating success, was significantly reduced 2 years after treatment at 37.5 g a.i. ha-1. The efficacy of mating disruption (MD) treatments in the Slow-the-Spread of the Gypsy Moth program was significantly reduced 2 years compared to 1 year after treatment. No such reduction was observed in plots treated with aerial applications of Bacillus thuringiensis kurstaki. The higher apparent efficacy of MD treatments 1 year after application may result to some extent from the suppression of moth capture in pheromone traps from the persistent effects of the previous year's treatment.
Keywords: Lymantria dispar, mating disruption, flake, Lepidoptera, Lymantriidae
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
- This publication may be available in hard copy. Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat. During the capture process some typographical errors may occur. Please contact Sharon Hobrla, firstname.lastname@example.org if you notice any errors which make this publication unusable.
XML: View XML
Thorpe, Kevin W.; Tcheslavskaia, Ksenia S.; Tobin, Patrick C.; Blackburn, Laura M.; Leonard, Donna S.; Roberts, E. Anderson 2007. Persistent effects of aerial applications of disparlure on gypsy moth: trap catch and mating success. Entomologia Experimentalis et Applicata. 125: 223-229.
Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility