Posted by Tony Irwin on 02-02-2020 17:21
#5
I would say these are Psychodidae.
Telmatoscopus is known to breed in tree rot-holes. There is a key to genera of larvae in Wagner. R. 1997 Psychodidae.
in Nilsson, A.N. (Ed.)
Aquatic insects of North Europe - a taxonomic handbook. Vol.2.