Nanna armillata
General description:
According to Collin (1958)[1] the colour of the femora is variable, but the smaller number of black bristles beneath the front femora is distinctive. Wing length: ♂ 3.9 mm (1); ♀ 3.2 - 4.0 - 4.6 mm (3).
References
Distribution:
Widespread and common and sometimes reported as a pest of Phleum and rye grass meadows.
World distribution: Palaearctic: Czech Republic, Denmark, Estonia, Finland, Germany, Lithuania, Norway, Poland, Slovakia, Sweden, Switzerland; Russia: European and eastern Palaearctic.