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Tanaostigmodes cajaninae LaSalle sp. n. (Hymenoptera: Tanaostigmatidae), a potential pest of pigeon pea in India

Published online by Cambridge University Press:  10 July 2009

S. S. Lateef ,
W. Reed  and
J. LaSalle
S. S. Lateef
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics, Patancheru PO, 502 324, AP, India
W. Reed
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics, Patancheru PO, 502 324, AP, India
J. LaSalle
Affiliation:
University of California, Riverside, California 92521, USA
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Abstract

Tanaostigmodes cajaninae LaSalle sp. n., the larvae of which feed in pods of pigeon pea (Cajanus cajan), is described. This insect, which also feeds on the weeds Atylosia spp. and Rhynchosia spp., has reached pest status on ICRISAT's research farm in Andhra Pradesh, India, where more than half of the pods on the late-maturing pigeon pea crops may be infested. However, surveys of the crops in farmers' fields in India showed that, although this insect is widespread, it is not yet a serious pest. The abnormal populations of this insect on the ICRISAT research farm appear to be associated with an abundance of its wild hosts, the availability of pigeon pea pods for many months in each year and the use of endosulfan, which does not control the pest but reduces its parasites. The potential for T. cajaninae to become a major pest in farmers' fields is discussed, and control measures are suggested.

Type
Research Article
Information
Bulletin of Entomological Research , Volume 75 , Issue 2 , June 1985 , pp. 305 - 314
Copyright
Copyright © Cambridge University Press 1985

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Footnotes

*

Submitted as JA. 450 by the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT).

References

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