Syntormon zelleri (Loew, 1850) (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 : 57

133. Syntormon zelleri (Loew, 1850) (Sympycninae) — new to Portugal

Number of specimens recorded. 13.

Distribution. Europe; also North Africa. Portugal: three northern provinces.

Ecology. Recorded from three macrohabitat categories in Portugal, in particular riverbanks and forests; in the latter habitat type, the species was always collected close to open water ( i.e., waterfalls, seeps). Like the previous species, in northwestern Europe S. zelleri is mainly distributed at higher altitudes where is mostly found nearby streams in open biotopes.

Rarity (%). 6.9 (fairly rare).

Activity period. March, June–July, September.