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Monitoring of Helicoverpa (= Heliothis) Armigera (Hubner) moths with light and pheromone traps in India*

Published online by Cambridge University Press:  19 September 2011

C. P. Srivastava ,
M. P. Pimbert  and
W. Reed
C. P. Srivastava
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, Andhra Pradesh, India
M. P. Pimbert
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, Andhra Pradesh, India
W. Reed
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, Andhra Pradesh, India
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Abstract

Light and pheromone trap networks were used to monitor and compare moth catches ofHelicoverpa (= Heliothis) armigera (Hubner) in both types of traps at many locations across India. There were obvious changes with latitude in flight patterns and in the correlation between light and pheromone trap catches. At northern locations, the correlation between light and pheromone trap catches were higher as compared to southern locations. The traps located in the central part of India showed correlations, intermediate between those of northern and southern locations. Pheromone traps were thus found suitable for monitoring at northern and central locations. At southern locations, where light and pheromone trap catches differ considerably at different times of the year, both types of traps should be operated simultaneously for better monitoring of this insect. Good correlations were found between larval population and light and pheromone trap catches of H. armigera at Patancheru, one of the southern locations in India.

Résumé

Des réseaux de pièges à phéromones et de piéges lumineux ont été utilisée pour comparer l'activité de vol de Helicoverpa (= Heliothis) armigera (Hubner) dans différentes localités en Inde. L'activité de vol de ce papillon ravageur ainsi que le degré de correlation entre les résultats des pièges lumineux et des pièges à pheromone varient en fonction de la latitude. Les correlations entre les rcsultats des pièges lumineux et des pièges à pheromone sont plus fortes dans le Nord que dans le Sud de l'inde. Les correlations observces entre les résultats obtenus par les deux types de pièges pour le Centre de l'inde ont des valeurs intermédiaires entre celles observées pour le Nord et le Sud du pays. Les pièges à pheromone se sont avérés adéquats pour la surveillance des populations de ce ravageur au Nord et au Centre de l'inde. Par c.ontre, dans le Sud du pays oil les pièges lumineux et les pièges à pheromone donnent des informations très différentes au cours de l'annee les deux types de pièges doivent étre employes simultanément pour la surveillance efficace de ce papillon ravageur. De bonnes correlations ont été observées entre les populations larvaires et les prises de H. armigera dans les pièges à pheromone et les pièges lumineux à Patancheru, une des localités du Sud de l'inde.

Keywords

Light trappheromone trapHelicoverpa armigeraIndiaPiège lumineuxpiège à phéromoneHelicoverpa armigeraInde
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 13 , Issue 2 , April 1992 , pp. 205 - 210
Copyright
Copyright © ICIPE 1992

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References

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