concept

The male genitalia of the cockroach, Periplaneta orientalis, Linn., and their homology with the genitalia in Diptera / by W. Wesché.

On the larval and pupal stages of West African Culicidae / by W. Wesché ; with field-notes by the collector, W.M. Graham.

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Wesché, Walter Francis Frederick, 1857-1910.

Catalogue

The male genitalia of the cockroach, Periplaneta orientalis, Linn., and their homology with the genitalia in Diptera / by W. Wesché.

On the larval and pupal stages of West African Culicidae / by W. Wesché ; with field-notes by the collector, W.M. Graham.