- Adult — 5–8mm in length; thorax grey with 4 narrow stripes; abdomen buff or yellow; 4th wing vein bent and wing tips slightly pointed.
- Larva — White and tapers to a point at the head end. 2 spiracle “spots” at the hind end. Legless. 12 mm long when mature.
- Eggs laid in batches of 120 to 150 and can hatch in 8 hrs or up to 3 days.
- Larvae take 3 – 60 days to mature; pupae 3 – 28 days.
- Found in almost all types of premises.
- Breeds in moist decaying vegetable matter.