Systenus pallipes (von Roser, 1840) (Medeterinae)

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 : 58

135. Systenus pallipes (von Roser, 1840) (Medeterinae) — new to Portugal

( Fig. 6J )

Number of specimens recorded. 2.

Distribution. Europe, thus far not recorded from southern Europe. Portugal: one province (Douro Litoral) in this study, and Algarve (Dyte unpubl. data).

Ecology. The only two Portuguese specimens were recorded from a mountainous site crossed by a small river with Salix sp. , Fraxinus sp. , Acacia sp. and Alnus glutinosa on its banks. In northwestern Europe, records of this species originate mainly from humid forest habitats, although it has been found in coastal shrub vegetations and dry forests as well.

Rarity (%). 1.1 (very rare). Rare (FL).

Activity period. October.

Figures

FIGURE 6. Selected Portuguese species. A. Sympycnus pulicarius (♂); B. Sympycnus simplicipes (♂); C. Syntormon aulicum (♀); D. Syntormon codinai (♂); E. Syntormon denticulatum (♂); F. Syntormon metathesis (♀); G. Syntormon mikii (♂); H. Syntormon pallipes (♂); I. S. pallipes (♀); J. Systenus pallipes (♀); K. Tachytrechus insignis (♂); L. Tachytrechus notatus (♂); M. Teuchophorus spinigerellus (♀); N. Thinophilus flavipalpis (♂); O. Thrypticus bellus (♂); photos by Rui Andrade, except for G by Valter Jacinto.