Flour Mite/Grain Mite
Acarus siro
Appearance
- Adult — 0.5 mm long. 4 pairs of legs. White or pale brown. Slow moving.
- Larva — 6 legged and 0.5 mm long. White in colour. Passes through two, 8 legged nymphal stages.
Lifecycle
- 9–11 days at 23°C and 90% relative humidity.
Habits
- Under adverse conditions, may pass through a long and very resistant stage called a hypopus.