revision of the genus Megachile in the Neartic Region (Hymenoptera
Subtitle: Megachildae).
Series: Transactions of the American Entomological Society -- 59, 61-63
Publisher: American Entomological Society
Published: 1934
Place of publication: Philadelphia, PA
Language: eng
Subjects: Megachilidae -- Classification.
Genres: Classification.
Notes: Cover title.

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