SAP Beetle (Coleoptera: Nitidulidae)
Adults are 2 to 4 mm in length, oval, flattened and light brown to black in color often with 1 or 2 yellow to reddish brown spots.
Antennae end in 3-segmented, flattened club.
Sap beetles are highly mobile.
- Have a very high fecundity, a single female can lay up to 1000 eggs over a 3 to 4 month period
- Females lay eggs on or in food,
- Larvae are active and move amongst the food, burrowing into food material.
- Populations develop rapidly,
- Feed on stored grain, dried fruit, fresh fruit, flowers, fungi, carrion,
- Some feed on sap of trees and juice of fruits,
- Presence of holes in commodity
- Presence of adult beetles in sometimes large aggregations
- Larvae and adults both feed but damage is not distinctive.
- Larvae may burrow into mouly grain residues.
- Adults will feed on dried and ripening fruit where their pest status is most significant.
- Sap beetles may transmit mould spores, bacteria and yeasts.