Platygastridae: Platygastrids are minute (1.0-1.3 mm)
shiny black wasps with reduced wing venation much like chalcids. The antennae
have 10 segments, and are attached very low on the face, next to the clypeus.
- Platygaster Latreille (fig. 65): Platygaster spp.
( 1 .3 mm) have clear wings without a fringe of hairs on the hind margin
of the forewing, a trait which distinguishes them from Leptacis
spp. (fig. 65). The scutellum is rounded off at the rear margin.
- Leptacis Foerster (fig. 66): Leptacis spp. are similar
to Platygaster spp., except for the somewhat dusky wings with
a fringe of hairs. Length is 1.0 mm. They have a backward projecting
spine on the scutellum.