Plebeia (Hymenoptera: Apidae) is a poorly defined genus and its classification and systematics are controversial. Tools such as cytogenetics may contribute to clarify the relationships among the ...
The life history and population biology of adult A. lucii in perch, Perca fluviatilis L., from the Forth and Clyde canal, Scotland, was investigated during May 1979-September 1981. There was an annual ...
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