Scientific name

Encarsia boswelli (Girault)

Taxonomic position

Hymenoptera: Chalcidoidea: Aphelinidae

Diagnosis

Female: Length: 0.57-0.80mm. Head orange yellow, occiput largely and malar space and lower face sometimes brown; pronotum dark brown; mid lobe varying from orange yellow to dark brown; axillae pale yellow to dark brown; scutellum orange-grey to white; propodeum and mesopleura white to dark brown; gaster dark brown to black; antennal formula 1133, scape, pedicel, F1 and F2 yellow to pale brown, F3 white, club dark brown; fore wing with an infuscate patch behind proximal half to thirds of marginal vein; legs yellowish with dark brown hind coxae and suffused brown hind femora.

Male: Head as in female, thorax and abdomen dark brown, scutellum orange-yellow. Antenna with flagellar segments at least slightly more than 2x as long as pedicel, flagellum six-segmented, without a distinct club. Fore wing lacking the basal infuscate patch.

   Antenna - female and male
   Fore wing - female and male
 Thorax

Images

   Adult female - dorsal view

Distribution

India: Karnataka; Tamil Nadu (Indonesia, Malaysia, Afrotropical and Australasian regions) (Hayat, 1998).

Hosts / Biology

Eggs of Heteroptera (?Acrosternum graminea and Megacopta cribraria (F.)) (Hayat, 1998).

Reference

  • Hayat, M. 1998. Aphelinidae of India (Hymenoptera: Chalcidoidea): A taxonomic revision. Memoirs on Entomology, International, Volume 13. Associated Publishers, Gainsville, Florida. 415 p.