Scientific name

Anagyrus diversicornis (Howard)

Taxonomic position

Hymenoptera: Chalcidoidea: Encyrtidae: Tetracneminae

Diagnosis

Female: Length 0.87-1.55 mm. Body moderately slender, slightly flattened dorsoventrally. Head and thorax blackish with a slight sheen; scape testaceous yellow basally and whitish apically with an obscure brown band in median one-third; pedicel and flagellum dark brown with F2 whitish and apical two segments of clava yellow; all coxae blackish; wings completely hyaline; scape subcylindrical, a little over 5x as long as broad; clava with apex more or less rounded (Noyes, 2000).

 Head and thorax, dorsal view

Images

   Adult - dorsal, lateral view

Distribution

India: Tamil Nadu (Hayat, 2006).

Hosts / Biology

Indet. Coccids on Annona squamosa and pseudococcid on Solanum nigrum (Manickavasagam et al., 2001); Phenacoccus gossypii, P. herreni, P. manihoti (Noyes, 2013).

References

  • Hayat, M. 2006. Indian Encyrtidae (Hymenoptera: Chalcidoidea). viii +496pp. Published by M. Hayat, Department of Zoology, Aligarh Muslim University, India.
  • Manickavasagam, S., Suresh, S. and Hayat, M. 2001. Anagyrus diversicornis (Howard), a new record from India (Hymenoptera: Chalcidoidea: Encyrtidae). Zoos' Print Journal, 16 (5): 494.
  • Noyes, J. S. 2000. Encyrtidae of Costa Rica (Hymenoptera: Chalcidoidea), 1. Tetracneminae, parasitoids of mealybugs (Homoptera: Pseudococcidae). Memoirs of the American Entomological Institute, 62: 1-355.
  • Noyes, J. S. 2013 Universal Chalcidoidea Database. World Wide Web electronic publication. www.nhm.ac.uk/entomology/chalcidoids/index.html (accessed 31st May, 2013).

Credits

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