Dichopygina nigrohalteralis (Frey, 1948)

Menzel, Frank, Gammelmo, Oivind, Olsen, Kjell Magne & Koehler, Arne, 2020, The Black Fungus Gnats (Diptera, Sciaridae) of Norway - Part I: species records published until December 2019, with an updated checklist, ZooKeys 957, pp. 17-104 : 17

Dichopygina nigrohalteralis (Frey, 1948)

Literature.

Faunistics: Leng et al. (2018): 19, 23 [as Dichopygina nigrohalteralis ]. Taxonomy: Tuomikoski (1960): 70, 72; Menzel and Mohrig (2000): 259 [both as Corynoptera nigrohalteralis ]; Vilkamaa et al. (2004): 116; Mohrig et al. (2013): 199 [both as Dichopygina nigrohalteralis ].

Localities.

• Norway; without further locality details (= ‘Norway’) • Buskerud; Kongsberg, Haugplassen in the Rajedalen (published as ‘Norway’; see faunistic note) • Oppland; Sør-Aurdal, SE part of Moldberget naturreservat NW of Nes (published as ‘Norway’; see faunistic note) • Trøndelag; Trondheim, Trondheim, Sommerlystvegen (published as ‘Norway’; see faunistic note).

Faunistic note.

The first specimens of Dichopygina nigrohalteralis mentioned in Leng et al. (2018: 19, 23) were collected and/or identified in our NTI project 2014-2016, based on the following material: Norway • 1 ♂; ‘Sør-Trondelag; Trondheim, Sommerlystvegen 22'; 63.4049N, 10.3829E; 65 m a.s.l.; 11-25 May 2014; E. Stur and T. Ekrem leg.; Malaise trap; garden with lawn and some larger trees at the top of a wooded hill side; NTNU; BOLD ID GMNWF813-14 • 1 ♂; 'Buskerud; Kongsberg, Haugplassen’; 59.5340N, 09.5677E; 520 m a.s.l.; 26 Sep. 2013; Malaise trap; NW portion of managed meadow with a lot of Dactylorhiza sambucina and Primula veris ; K.M. Olsen leg.; BFCO; BOLD ID SCINO031-14 (bf-sci-00031, BAB 363266) • 1 ♂; 'Oppland; Sør-Aurdal, Moldberget E’; 60.6199N, 09.8935E; 308 m a.s.l.; 3 Jun. 2014; K. Heller leg.; sweep net; coniferous forest; BFCO; BOLD ID SCINO192-15 (bf-sci-00193, BAB 374132).

Ecological note.

Managed meadows dominated by Dactylorhiza sambucina and Primula veris ; gardens with lawn on wooded hills; coniferous forests. Phenology: May-Jun., Aug.-Sep.