Scientific name
Gastrancistrus Westwood 1833
Taxonomic position
Hymenoptera: Chalcidoidea: Pteromalidae
Diagnosis
Gaster of female with the hypopygium extending at most about half way
along, and without a mucro. Dorsal surface of hind coxae without a longitudinal crest. Median carina of propodeum (when present) not stongly raised, and not traversed by a crest. Body most often distinctly metallic, rarely black or nearly so (Graham, 1969).
Image
Female - lateral view
Distribution
India - Gastrancistrus agarwali Ahmad, 1995 (Haryana); Gastrancistrus bengalicus Narendran, 2001 (West Bengal); Gastrancistrus cherryi Bouček, 1986 (Karnataka & West Bengal); Gastrancistrus dehradunensis Jamal Ahmad & Ahmad, 1997 (Uttar Pradesh); Gastrancistrus muneswari Yadav, 1978 (Bihar and West Bengal) and Gastrancistrus pantnagarensis Gupta & Khan, 2007 (Uttarakhand).
Biology / Hosts
Primary hosts are dipterans mainly from family Cecidomyiidae.
References
- Graham, M.W.R. de V. 1969. The Pteromalidae of north-western Europe (Hymenoptera: Chalcidoidea). Bulletin of the British Museum (Natural History) (Entomology) Supplement 16 pp. 908pp.
- Noyes, J.S. 2014. Universal Chalcidoidea Database. World Wide Web electronic publication. http://www.nhm.ac.uk/chalcidoids.
- Westwood, J.O. 1833. Descriptions of several new British forms amongst the parasitic hymenopterous insects. Philosophical Magazine (3) 2:444.
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