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Heliothis species and their larval parasitoids on sole and intercrop safflower in India

Published online by Cambridge University Press:  19 September 2011

C. S. Pawar ,
V. S. Bhatnagar  and
D. R. Jadhav
C. S. Pawar
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru P.O. 502 324, Andhra Pradesh, India
V. S. Bhatnagar
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru P.O. 502 324, Andhra Pradesh, India
D. R. Jadhav
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru P.O. 502 324, Andhra Pradesh, India
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Abstract

A survey of Heliothis spp. and their larval parasitoids was conducted in the states of Andhra Pradesh and Maharashtra, India during the period 1977–1983. H. armigera and H. peltigera were recorded on safflower. H. peltigera was found dominant on sole crop, while both the species were equally important on intercrop. In general, eight parasitoids: four Hymenoptera and four Diptera emerged from the larvae of Heliothis spp. Six parasitoids were recorded from H. armigera larvae on sole crop and eight on intercrop safflower. The level of parasitism in H. armigera was higher on sole crop.

Résumé

Une enquête sur Heliothis spp. et leurs parasitoids larvaires a été effectuée au cours des années 1977–1983 dans les Etats de l'Andhra Pradesh et du Maharashtra en Inde. On a observé l'incidence d'H. armigera et H. peltigera sur le carthame des teinturiers (Carthamus tinctorius Linn.), mais tandis que H. peltigera a été plus répandu sur la culture pure, les deux espéces ont été également importantes sur les cultures associées. Dans l'ensemble, huit parasitoids dont quatre hyménoptères et quatre diptéres ont émergé des larves d'Heliothis spp. Six parasitoids ont été signales chez les larves dée. Cependant, le niveau du parasitisme s'est avèrè plus élevé en culture pure.

Keywords

H. armigeraH. peltigerasafflowersole cropintercropCampoletis chlorideaeEnicospilus sp.Eriborus argenteopilosusMicrochelonus curvimaculatusCarcelia illotaGoniophthalmus halliSturmiopsis inferensPalexorista solennis
Type
Articles
Information
International Journal of Tropical Insect Science , Volume 6 , Issue 6 , December 1985 , pp. 701 - 704
Copyright
Copyright © ICIPE 1985

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References

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