Sybistroma dufourii Macquart, 1838 (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 : 52

119. Sybistroma dufourii Macquart, 1838 (Dolichopodinae) — new to Portugal

( Figs 5O , 8 F–G)

Number of specimens recorded. 36.

Distribution. Southern and southwestern parts of Europe; also North Africa. Portugal: five provinces, all over the country.

Ecology. Recorded in Portugal from forests, parks and riverbanks. Its ecology in the rest of Europe is poorly known.

Rarity (%). 9.2 (fairly rare).

Activity period. June–October.

Figures

FIGURE 5. Selected Portuguese species. A. Neurigona biflexa (♂); B. Orthoceratium sabulosum (♂); C. Parathalassius blasigii (♂); D. Poecilobothrus nobilitatus (♂); E. Rhaphium appendiculatum (♂); F. Rhaphium brevicorne (♂); G. Rhaphium longicorne (♂); H. Rhaphium micans (♂); I. Schoenophilus versutus (♂); J. Sciapus albovittatus (♂); K. Sciapus laetus (♂); L. Sciapus pallens (♂); M. Sciapus platypterus (♂); N. Sciapus zonatulus (♂); O. Sybistroma dufourii (♂); photos by Rui Andrade, except for D by James A.C. Clark.

FIGURE 8. Selected Portuguese habitats of dolichopodid species. A. 4 km SSW of Manteigas, Serra da Estrela, river Zêzere, May 2014 (Orthoceratium sabulosum); B. Mouriscas, Tejo river, March 2011 (Medetera feminina); C. Salreu, Ria de Aveiro, June 2010 (Dolichopus andalusiacus, Chrysotus gramineus); D. Santa Luzia, April 2011 (Medetera ambigua); E. Santa Margarida da Coutada, March 2011 (Syntormon pallipes); F. São Marcos da Serra, Ribeira de Odelouca, September 2010 (Acropsilus niger, Hercostomus verbekei, Sybistroma dufourii); G. detail of same location; H. Tornada, Paul de Tornada, July 2010 (Poecilobothrus bigoti, Poecilobothrus principalis); I. detail of same location, with yellow pan trap.