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Identified Apidae and collected Apidae

Engel, Michael

United States of America

Identified Chalcididae and collected Apidae

Identified Megachilidae and collected Andrenidae

LaBerge, Wallace E.

(b. February 07, 1927 – d. July 22, 2013)

United States of America

Identified Andrenidae and collected Apidae

Charles Duncan Michener
Michener, Charles Duncan

(b. September 22, 1918 – d. November 01, 2015)

United States of America

Identified Halictidae and collected Apidae