Gymnopternus silvestris ( Pollet, 1990 ) (Dolichopodinae)

Pollet, Marc, Andrade, Rui, Gonçalves, Ana, Andrade, Pedro, Jacinto, Valter, Almeida, Jorge, Braekeleer, Anja De, Calster, Hans Van & Brosens, Dimitri, 2019, Dipterological surveys in Portugal unveil 200 species of long-legged flies, with over 170 new to the country (Diptera: Dolichopodidae), Zootaxa 4649 (1), pp. 1-69 : 37

60. Gymnopternus silvestris ( Pollet, 1990) (Dolichopodinae) — new to Portugal

( Fig. 3N )

Number of specimens recorded. 6.

Distribution. Western Europe and parts of central Europe. Portugal: two northern provinces.

Ecology. This species has been collected in a brackish marsh and a park in Portugal. In northwestern Europe, it prefers rather dark swamps, both on loamy and sandy soils ( Pollet et al. 1992).

Rarity (%). 2.3 (rare). Fairly common (FL).

Activity period. June–August.

Figures

FIGURE 3. Selected Portuguese species. A. Chrysotus blepharosceles (♀); B. Chrysotus cilipes (♂); C. Chrysotus laesus (♂); D. Diaphorus exunguiculatus (♂); E. Dolichopus andalusiacus (♂); F. Dolichopus atratus (♂); G. Dolichopus diadema (♂); H. Dolichopus latilimbatus (♂); I. Dolichopus nubilus (♂); J. Dolichopus plumipes (♂); K. Dolichopus signifer (♂); L. Dolichopus tanythrix (♀); M. Gymnopternus cupreus (♂); N. Gymnopternus silvestris (♂); O. Hercostomus appendiculatus (♂); photos by Rui Andrade, except for C by Leo Verdoodt.