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2013 (Vol. 5, Issue: 6)
Article Information:

Diapause in Two Tachinid (Diptera: Tachinidae) Parasitoids of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in Southern India

Deepak R. Jadhav and Nigel J. Armes
Corresponding Author:  Deepak R. Jadhav 

Key words:  Diapause , Goniophthalmus halli, Helicoverpa armigera, host-parasitoid interactions, Senometopia illota, Tachinidae,
Vol. 5 , (6): 118-125
Submitted Accepted Published
May 17, 2013 June 11, 2013 November 25, 2013
Abstract:

Two larval-pupal tachinid parasitoids; Goniophthalmus halli (Mesnil) and Senometopia(Eucarcelia) illota (Curran) were recorded from the pupae of Helicoverpa armigera (Hubner) on pigeonpea crop in Andhra Pradesh, India, between 1974 and 1996. Both the parasitoids enter in diapause following the signals received from their host and maintain close proximity in their development in nondiapausing and diapausing H. armigera populations. It is suggested that parasitoid diapause is induced by the physiological changes in late larval or pupal stage of the host and was observed in seasons when host diapause occurred and followed synchrony in terms of emergence for both the host and parasitoids. This is the first report of diapause in tachinid parasitoids from the southern region of Indian sub-continent.
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  Cite this Reference:
Deepak R. Jadhav and Nigel J. Armes, 2013. Diapause in Two Tachinid (Diptera: Tachinidae) Parasitoids of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in Southern India.  Asian Journal of Agricultural Sciences, 5(6): 118-125.
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ISSN (Online):  2041-3890
ISSN (Print):   2041-3882
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