2 to 5mm
Small insect with a wingspan of 14-15mm. Black head, thorax and abdomen. Thorax has humped appearance.
In overwatered pot plants in homes and workplaces.
Feed on plant roots and fungi/mould.
Very hardy fly – can survive freezing.
Re-pot plants and feed/water from the base only – sometimes a local insecticide can be applied to the soil that plants are in.