Nematode-induced demasculinisation of Dolichopus males (Diptera: Dolichopodidae) Author Kahanpää, Jere text Zootaxa 2008 1689 51 62 journal article 10.5281/zenodo.180614 549e79e9-bf81-4d14-9633-8af319a5c9dd 1175-5326 180614 Dolichopus picipes Meigen, 1824 Dolichopus picipes Meigen, 1824 : 76 Dolichopus consimilis Wahlberg, 1850 : 217 syn. nov. Demasculinised males examined: Coll. JK — Finland , 1ɗ Ks: Kuusamo, Reposuo (73353:35980), 7.vii.2006 , J. Kahanpää, id jka06-02620; 1ɗ Ok: Sotkamo, Lauttopuro (71183:35433), 5.vii.2006 , J. Kahanpää, id jka06-01180; 1ɗ Ok: Paltamo, Kylmänpuro (71387:35505), 5.vii.2006 , J. Kahanpää, id jka06- 01205; 1ɗ Obb: Tervola, Hirviaapa (73475:34184), 8.vii.2006 , J. Kahanpää, id jka06-01354. In alcohol. 1ɗ Obb: Tervola, Sompujärvi NE2 (7320408:3414913), 28.vi.–2.viii.2004 , J. Salmela & J. Ilmonen. According to Wahlberg (1850) Dolichopus consimilis is closely related to D. picipes , from which it differs by a broader face, smaller hypopygium and small, more or less uniformly dark cerci. It has been recorded from France , Norway and Sweden ( Negrobov 1991 , Pollet 2006 ). Ringdahl (1949) classified D. consimilis as a probable gynandromorphic form of D. picipes , but Stackelberg (1930) , Parent (1938) , Negrobov (1991) and Yang et al. (2006) have treated D. consimilis as a valid species. Four of the five males examined were parasitised; the fifth has an exit scar in the pleural membrane. D. consimilis Wahlberg is here synonymised with D. picipes Meigen.