Diogma is a genus of crane flies in the family Cylindrotomidae.
Biology The larvae of the genus Diogma live on mosses. Adults are to be found in damp wooded habitats.
Distribution Palaearctic.
Species Diogma brevifurca Alexander, 1949 Diogma caudata Takahashi, 1960 Diogma dmitrii Paramonov, 2005 Diogma glabrata (Meigen, 1818) Diogma minuticornis (Alexander, 1935) Diogma sinensis Yang & Yang, 1995
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