Biscuit Beetle

Stegobium paniceum

Appearance

•  Adult — 2–3mm in length. Humped thorax. Fine hairs cover the body. Elytra (wing cases) have ridges with indentations.
•  Larva — active in early stages of development. Bores into hard substances. They are able to detoxify some poisonous substances.

Lifecycle

•  Life cycle — 200 days at 17°C, 70 days at 28°C. Adults live for 13 to 65 days.

Habits

•  Will often fly. Adults do not feed.