1st pic: size 4 mm
2nd pic: siye 1-2 mm

Hey dear community,

both of these species are belonging to nematocera however ive been having difficulty finding good results about who they are. Would gretaly appreciate your help!

Currently doing a biodiveristy scan of green walls in Utrecht, Netherlands and came across these two. Think they might belong to Sciaridae family or mycetophilidae but having quite the struggle and would love to pin/point the species because they keep reappearing! Size in pic1> 1mm Size in pic2> 2mm