GEORGE WILLIAM ALBERTSON - A morphological study and comparison of the mouth parts os some hymenoptera - A comparative study of the mouth parts vespa maculata linn. (Worker), apis mellifica linn (Worker), andrena perplexa Smith (female), and macremphytus varians norton (female)

Washington D.C., Sans mention d éditeur, 1921, Agrafé, In-12. 59 pp. Tampons de bibliothèque. Couverture insolée. Condition: Bon état

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