Dipterological surveys in Portugal unveil 200 species of long-legged flies, with over 170 new to the country (Diptera: Dolichopodidae) Author Pollet, Marc Author Andrade, Rui Author Gonçalves, Ana Author Andrade, Pedro Author Jacinto, Valter Author Almeida, Jorge Author Braekeleer, Anja De Author Calster, Hans Van Author Brosens, Dimitri text Zootaxa 2019 2019-08-01 4649 1 1 69 journal article 25532 10.11646/zootaxa.4649.1.1 5ddee453-14a5-41ea-bd4d-046468d3651f 1175-5326 3357623 F532DBB2-FBC4-41B2-9A5C-D98B55CF8717 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.