Postabdomen

The postabdomens of both sexes of Cinderella lampra Steyskal and of the unique female of C. aczeli, n. sp. (Mendoza, Argentina) are described.

No special preparation in glycerine of male and female postabdomina were made because the features of diagnostic importance are well visible in dry condition, but as a result not all characters of the postabdomina can be described.

The anthomyiid oviscapt (postabdomen) is as regards the ground plan undoubtedly slender, well set off from and hardly shorter than the preabdomen, and has slender cerci with projecting, cylindrical apices.