Adult — 7—9mm in length with a wingspan of 15—20mm. Grey-brown banded with lighter and darker colours.
Larva — whitish, yellowish or reddish depending on food. Tend to wander upwards to dark areas to pupate.
Lifecycle
31 days at optimum temperature (32°C).
Habits
Often linked with imported food cargoes. Primarily a pest of stored cereals, nuts, dried fruit, oil seeds and oilcakes. Rarely attacks tobacco and animal products.