from The Century Dictionary and Cyclopedia

  • n. A genus of hymenopterous insects of the family Chalcididæ and subfamily Eurytominæ, containing plant-feeding forms furnishing an exception to the rule in this parasitic family. I. hordei is known as the joint-worm fly.
  • n. A genus of Elateridæ or click-beetles, containing one species, I. elateroides, from the Caucasus.
  • n. An insect which belongs to the genus Isosoma.


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