Fig 1. Megachalcis sp.

Fig 2. Mesosoma

Megachalcis Cameron, 1903

Taxonomy

Hymenoptera: Chalcidoidea: Chalcididae: Chalcidinae

Diagnosis

Scapulae and axillae prominently convex, vertex without median raised teeth, posterior border of pronotum not convex (Fig. 2).
Postmarginal vein much longer than the marginal.
Mesosoma often with rasp-like sculture and body with silvery patches of hairs.
Tergite 2-4 strongly reduced and for most part hidden under the large first tergite; gaster in female produced to a long tail.

Biology / Hosts

Apparently parasites of wood boring beetles.

Distribution

Southeast Asia, from western India to North Borneo and to eastern Indonesia.

References

• Bouček, Z. (1988). Australasian Chalcidoidea (Hymenoptera). A biosystematic revision of genera of fourteen families, with a reclassification of species. CAB International, Wallingford, Oxon, U.K., Cambrian News Ltd; Aberystwyth, Wales. 832 pp.