Scientific name
Amitus spp. Foerster
Taxonomic position
Hymenoptera: Platygastroidea: Platygastridae
Diagnosis
Body dark brown to black, dorsoventrally flattened with long wings. Head from above distinctly transverse, opisthognathous in lateral view. Female antenna appearing to be 8-segmented, with abrupt, ovoid to spindle-shaped club actually comprising three-segments, which appear to be fused, sometimes club appears to have 2 faint traces of sutures. Male antenna 10-segmented. Abdomen short, subsessile, broad, nearly as long as wide; second segment largest of all; tergite 1 strongly trapezoidal-transverse, tergite 2 with series of striae anterolaterally. Fore wing with long marginal fringe of hairs, devoid of venation except for a rudimentary submarginal vein in basal part. Legs long and slender, with tibial spur formula 1-1-1, fore tibial spur distinctly bifid; tarsi 5-segmented in all pairs of legs.
Antenna - female (left) and male (right)
Forewing
Images
Adult - dorsal, lateral view (1 and 2) and adult in profile (3)
Thorax and gaster, dorsal view
Distribution
Almost cosmopolitan. Some species are nearly cosmopolitan in distribution due to introductions.
Biology / Hosts
All the known species of Amitus are parasitoids of whiteflies (Hemiptera: Aleyrodidae). Amitus aleurolobi Mani is a parasitoid of Aleurolobus barodensis in India.
Reference
- Mani, M.S. & Sharma, S.K. 1982. Proctotrupoidea (Hymenoptera) from India: A Review. Oriental Insects, 16(2): 135-258.
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