Dolichopus spretus Loew, 1871

Kahanpää, Jere, 2008, Nematode-induced demasculinisation of Dolichopus males (Diptera: Dolichopodidae), Zootaxa 1689, pp. 51-62 : 60

Dolichopus spretus Loew, 1871

Dolichopus spretus Loew, 1871: 259

The type locality of Dolichopus spretus is Västergötland, Sweden ( Negrobov 1991). Like the previous species, it is characterised by very small male genitalia, a broad face and the absence of secondary sexual characters typical for the genus. In all aspects it is close to D. vitripennis Meigen. D. spretus has been found in Sweden (the type locality), West Siberia and Russian Far East ( Negrobov 1991). Parent (1938), Negrobov (1991), Grichanov (2004) and Yang et. al. (2006) treated it as a valid species. D. spretus appears to be yet another nematode-induced aberration, but no material was available for study and the status of this species could not be confirmed. It is probably a synonym of D. vitripennis , but the possibility of synonymy with D. fraterculus cannot be excluded, since the latter species has occasionally very dark, blackish femora like D. vitripennis .