Some Braconids Parasitic on Aphids and their Life-History. (Hym.)*

Author:
  • EWEsther W. Wheeler
    Esther W. Wheeler
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Abstract
The present paper deals with the larval development of some very interesting Hymenopterous parasites of the Aphididæ. Most of the known parasites of these destructive insects belong to the Braconid subfamily Aphididæ, the numerous genera of which appear to parasitize aphids almost exclusively. In spite of their abundance, practically nothing has been known previously regarding the structure of the larvæ, although the group has received considerable attention at the hands of economic entomologists on account of its practical importance in the natural control of injurious plantlice.