There are a number of flat grain beetle species in this genus which can only be separately identified through genital dissection.
Invasive
Found across Australia and worldwide
Larvae:
The larvae are white, elongated, up to 4.0 mm long and have small “horns” at the end of the abdomen.
Adults:
Small, flat, fast-moving, reddish brown beetle. It is only 2.0 mm long with long antennae. Their size and speed of movement almost make them “ant-like” in their appearance.
Female beetles lays 300 eggs over their lifetime.
The life-cycle is completed in around 4 weeks.
Adults live for several months.
Feed on a wide range of stored grain. Does not attack intact grain but targets weather-damaged and grains with a high moisture content.
Only the larvae feed and cause damage.
Adults are small and fast moving – “ant-like”.
Adult beetles readily fly.
More stored product pests.
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