Gastrancistrus autumnalis (Walker, 1834)

(Figure 1)

Material examined: AUST-AGDER coastal [AAY], Grimstad: Rønnes, Osterkilen (Oak forest), [N58.338255° E8.612404° ± 10m], 1♀ 10 May–11 September 2016, Malaise trap, leg. Jon Peder Lindemann.

Biology: Known to occur on leaves of Fagus sylvatica L. in the autumn, and an unspecified cecidomyiid ( Diptera: Cecidomyiidae) associated with Fagus have been suggested as primary host (Graham 1969, Noyes 2017).

Distribution: « Czechoslovakia », Germany, Ireland, Netherlands, Spain, Sweden and England (Noyes 2017).