Teuchophorus monacanthus Loew, 1859 (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 : 59

141. Teuchophorus monacanthus Loew, 1859 (Sympycninae) — new to Portugal

Number of specimens recorded. 35.

Distribution. Europe. Portugal: two northern provinces.

Ecology. Recorded from a park and two riverbanks in Portugal. The species was found in rather large numbers only at a mountainous location crossed by a small river which was bordered by Salix sp. , Fraxinus sp. , Acacia sp. and Alnus glutinosa . In northwestern Europe, it is most frequently found near open water, on riverbanks, and in marshlands and swamps.

Rarity (%). 3.4 (rare). Fairly common (FL).

Activity period. May, October.