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Undated

Notes on Empis florissantana

Cockerell, Theodore D. A. (T …

[research notes, application

ca. 1908

Notes on Empis miocenica

Cockerell, Theodore D. A. (T …

[research notes, application

ca. 1914

Notes on Empis perdita

Cockerell, Theodore D. A. (T …

[research notes, application

Undated

Notes on Rhamphomyia hypolit …

Cockerell, Theodore D. A. (T …

[research notes, application

Undated

Notes on Rhamphomyia sepulta

Cockerell, Theodore D. A. (T …

[research notes, application