Factors regulating social behaviour in sweat bees (Hymenoptera
Subtitle: Halictidae)
By: by Gerhard Knerer.
Contributors: Toronto, Ont.  University.
Published: 1965
Place of publication: [Toronto]
Language: eng
Number of pages: 133
Subjects: Halictidae; Bees
Notes: Thesis - University of Toronto.

Bibliography: leaves 126-133.