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Published online by Cambridge University Press: 31 May 2012
While studying the hymenopterous parasites associated with Samia cecropia Linnaeus in the Chicago area (described by Marsh, '34), the writer had an unusual opportunity of observing the egg-laying technique of the cosmopolitan chalcid Dibrachys boucheanus Ratzeburg. This occasion is taken to describe in some detail the actual placing of the eggs.
* Marsh, F. L. 1934. “A Regional Study of Samia cecropia and Nine Associated Parasites and Hyperparasites.” A Master's thesis. Northwestern University Library, Evanston, Illinois.