from The Century Dictionary.

  • A subfamily of the parasitic hymenopterous insects of the family Chalcididæ.
  • They are distinguished by a compact form, the absence of parapsidal sutures, a short marginal vein on the fore wings, a sharp occipital ridge, and a large mesotibial spur. The group contains chiefly species of small size and great activity, parasitic in the main upon bark-lice and lepidopterous larvæ, though occasionally infesting other insects.


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