Scientific name

Anagyrus agraensis Saraswat

Taxonomic position

Hymenoptera: Chalcidoidea: Encyrtidae: Tetracneminae

Diagnosis

Female: 1.09-1.71 mm long. Head and thorax more or less completely yellow-orange or orange; antenna with scape broadened and flattened, dark brown to black with a small white spot externally at base and a sub-apical white band, flagellum with F1 brown externally, F2 similar but the marking less extensive, F3-6 with conspicuous dark setae externally, rest of the flagellum white or yellowish; legs yellowish. Head and thorax with fine reticulate microsculpture. Wings hyaline; forewing about twice as long as broad, ventral surface of costal cell with at least two complete lines of setae, marginal and postmarginal veins combined a little longer than stigma (Based on Noyes & Hayat, 1994; Hayat, 2006).

Male: Exhibits marked sexual dimorphism. Dorsal side more or less completely black. Antenna with flagellar segments covered with whorls of hairs.

Collected commonly in association with Nipaecoccus viridis (Newstead) (Hemiptera: Pseudococcidae).

Images

   Adult - dorsal view
 Adult - lateral view

Distribution

India: Goa, Haryana, Himachal Pradesh, Karnataka, Kerala, Orissa, Punjab, Tamil Nadu, Uttar Pradesh. (Israel; Jordan (introduced); Thailand; China: Guangdong, Hainan; Indonesia: Java; Marina Is: Guam) (Hayat, 2006).

Hosts / Biology

An important parasitoid of Nipaecoccus viridis (Newstead). Other recorded hosts include Ferrisia virgata, Planococcus citri, Rastrocococcus iceryoides, Nipaecoccus spp., Pseudococcus sp. and Coccidohystrix sp. on various hosts (Hayat, 2006).

Reference

  • Hayat, M. 2006. Indian Encyrtidae (Hymenoptera: Chalcidoidea). Department of Zoology, Aligarh Muslim University. 496 p.