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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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A morphological study and comparison of the mouth parts of some hymenoptera

Albertson, George William, January 1921 (has links)
Thesis (Ph. D.)--Catholic University of America, 1921. / A comparative study of the mouth parts of Vespa Maculata Linn. (worker), Apis Mellifica Linn. (worker), Andrena Perplexa Smith (female), and Macremphytus Varians Norton (female). Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (p. 52-58).
Hymenoptera. Mouth

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