Cordilura ustulata Zetterstedt, 1838

Discovered in May 1991 at Murder Moss, part of the Whitlaw Mosses NNR in Selkirkshire, by J.M.Nelson in Carex fen where a total of seven specimens were found on three visits between 8.v and 19.v (Nelson, 1992)[1]. Closely related to C. (S.) hyalinipennis and the differences are discussed under that species. Wing length: ♂ 5.6 mm (1); ♀ 5.5 mm (1).

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