yellow fly

yellow fly

Observation - yellow fly. Description: 2-3 mm going into my loft along with cluster flies. Appear to be millions of them outside during the day and if lights are on indoors they are on the ceilings coming through crevices.

2-3 mm going into my loft along with cluster flies. Appear to be millions of them outside during the day and if lights are on indoors they are on the ceilings coming through crevices.