Syntormon denticulatum (Zetterstedt, 1843) (Sympycninae)

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 : 54

126. Syntormon denticulatum (Zetterstedt, 1843) (Sympycninae)

( Fig. 6E )

Number of specimens recorded. 39.

Distribution. Europe; also North Africa. Portugal: eight provinces in this study (see also Naglis & Barták 2015; Dyte unpubl. data).

Ecology. Recorded from four macrohabitat categories, most frequently from forests and riverbanks. In northwestern Europe, S. denticulatum is rather eurytopic with highest abundances in marshlands and swamps, mostly close to open water.

Rarity (%). 14.9 (common). Common (FL).

Activity period. April–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.