We examined whether several facultatively gregarious encyrtid (Hymenoptera: Encyrtidae) endoparasitoids of brown soft scale, Coccus hesperidum L., manifest precise sex allocation under field ...
From the Genito-Urinary Department, Massachusetts General Hospital, Boston. Read at a meeting of the Philadelphia County Medical Society, Philadelphia, Penna., April 10, 1929. Barney — Chief of ...
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