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 37. Diaphorus nigricans Meigen, 1824 (Diaphorinae) new to Portugal Number of specimens recorded. 4. Distribution. Europe. Portugal : three northern provinces. Ecology. Mainly collected along rivers in Portugal , as well as in a park. In northwestern Europe, D. nigricans is a typical species of humid to rather dry heathlands. Rarity (%). 4.6 (rare). Fairly common (FL). Activity period. May–July.