Scientific name

Cheiloneurus nigricornis Hayat, Alam & Agarwal

Taxonomic position

Hymenoptera: Chalcidoidea: Encyrtidae: Encyrtinae

Diagnosis

Female: Length 1.06-1.09 mm. Head in upper half blackish brown to black, in lower half yellow to yellow brown; a dark brown patch between toruli and mouth margin with bluish green luster; pronotum yellow brown with a dark brown patch in center or sometimes with posterior area dark; mesoscutum and gaster blackish brown to black, with bluish green luster; scutellum varies from yellow brown to dark brown; axillae, metanotum and propodeum yellow brown; antennal scape yellow to pale yellow with dorsal margin and ventral margin in basal two thirds dark, ventral margin in apical third white; pedicel light brown to infuscate brown; funicle and clava dark brown. Legs including coxae, yellow to pale yellow with pale yellow brown as follows: extreme apex of mind femur and mid tibia, most of hind femur and hind tibia except bases (Hayat et al., 1975).

Image

 Adult - lateral view

Distribution

India: Assam, Bihar, Uttarkhand (Hayat, 2006).

Hosts / Biology

[With] indet. coccids on Mangifera indica and on wild plant (Hayat et al., 1975).

References

  • Hayat, M. 2006. Indian Encyrtidae (Hymenoptera: Chalcidoidea). viii +496pp. Published by M. Hayat, Department of Zoology, Aligarh Muslim University, India.
  • Hayat, M., Alam, S. M. and Agarwal, M. M. 1975. Taxonomic survey of encyrtid parasites (Hymenoptera: Encyrtidae) in India. Aligarh Muslim University Publications (Zoological Series) on Indian Insect Types, 9 (i-iii): 1-112.

Credits

Factsheet prepared by Dr. A. Rameshkumar, Research associate, NPIB, NBAII.