Scientific name

Diaphorencyrtus aligarhensis (Shafee et al.)

Taxonomic position

Hymenoptera: Chalcidoidea: Encyrtidae: Encyrtinae


Female: Head and mesosoma black, base of abdomen yellow-orange, rest of abdomen dark and shiny; antennae yellowish brown, outer margin of scape and pedicel infuscate, apex of antennal club darker brown; all pairs of legs yellowish. Antennal formula 1163. Metapleuron clothed with distinct white setae extending from base of hind coxa which is also clothed in moderately dense, conspicuous setae. Stigmal vein less than twice as long as marginal vein.

Male: Similar to female, except antennae light yellowish brown, covered with short whorls of setae and abdomen less broadly yellowish at base, posteriorly less dark than female.

This is the only species of this genus known from India.


Female  Female in profile  Female in profile
Adult female - dorsal and lateral view
Male in lateral view Adult male in profile


India (Andhra Pradesh, Karnataka, Maharashtra, Punjab, Rajasthan, Uttar Pradesh). Also distributed in South Africa, Taiwan, China, Vietnam, Philippines, Reunion Island, UAR (Hayat, 2006). Introduced in the US (Florida).

Hosts / Biology

Parasitic on nymphs of Psyllidae including Diaphorina sp., D. citri, D. cardiae on Cardia ruyxa, and Psylla sp. on Citrus sp. (Hayat, 2006). See Universal Chalcidoidea Database for complete list of hosts and associated plants.


  • Hayat, M. 2006. Indian Encyrtidae (Hymenoptera: Chalcidoidea). Department of Zoology, Aligarh Muslim University. 496 p.
  • Malipatil, M.B., Dunn, K.L. & Smith, D. 2000. An Illustrated Guide to the Parasitic Wasps associated with Citrus Scale Insects and Mealybugs in Australia. Department of Natural Resources and Environment, Agriculture Victoria. 152 p.
  • Subba Rao, B.R. & Hayat, M. 1986. The Chalcidoidea (Insecta: Hymenoptera) of India and the adjacent countries. Oriental Insects, 20: 1-430.
  • Hoy, M.A., Nguyen, R. and Jeyaprakash, A. Classical biological control of Asian Citrus Psylla - Update on Tamarixia radiata releases and first releases of Diaphorencyrtus aligarhensis.