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Predicting Emergence and Flight Activity of Peach Twig Borer (Lepidoptera: Gelechiidae) by Heat Unit Accumulation

Published online by Cambridge University Press:  19 September 2011

T. R. Ahmad
T. R. Ahmad
Affiliation:
Department of Plant Protection, Faculty of Agriculture and Biology, P.O. Box 765, Baghdad, Iraq
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Abstract

Pheromone traps were used for monitoring flight activity of peach twig borer, Anarsia lineatella (Zeller), during a 3 year period between 1983–1985 in Iraq at Tarmiya and Madain regions, and cumulative emergence was related to physiological time (degree-days, DDs). Data of moth catches indicated the presence of two generations per year and perhaps a partial third generation. Flight in both regions peaked from April to mid-May and from early June to mid-June. First capture of peach twig male ranged from 16 to 29 March and corresponded to a mean DD accumulation from 1 March of 138 in Tarmiya and 127 in Madain. Such results are very important for managing this pest.

Résumé

Un piège de pheromone a été utilisee pendant 3 ans (de 1983 a 1985) pour controler l'activite de vol du ver de peche, Anarsia lineatella (Zeller), en Iraq a Tarmiah et a Madain, et le cumulatif emergence ayant rapport avec le temps physiologique. Les resultats de capturer des mits a prouves l'existance de deux génération par an et peut etre une troixieme. L'activite maximale de cet insecte est remarquee dans les 2 regions pendant la periode de debut davril a mimai et du debut de Juin a mi-Juin successivement. La promiere capture de maie ver de la peche a été le 16 Mars Jusqua le 29 Mars et cette date correspond an moyen de temps physiologique a la Tarmiya 138 a la Madain 127. Ces resultats sont tres importante du point vue de la lutte contre ce peste.

Keywords

Pheromonedegree-daysAnarsia lineatella
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 9 , Issue 2 , April 1988 , pp. 197 - 200
Copyright
Copyright © ICIPE 1988

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References

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