Description: English: Sialis cf. lutaria (Alderfly sp.), Arnhem, the NetherlandsNederlands: Sialis cf. lutaria (Elzenvlieg of Slijkvlieg), Arnhem, Nederland. Date: 20 April 2013, 14:04:21. Source: Own work. Author:
Bj.schoenmakers. Other versions:
. Camera location
51° 56′ 38.12″ N, 5° 51′ 08.67″ E View all coordinates using:
OpenStreetMap 51.943921; 5.852408.