The larvae grow to a size of 5mm, having a banded appearance and are covered in short bristles. Adults are 2-3mm in length and are active flyers, they have an orange and black speckled appearance.
The larvae are negatively phototaxic and will live exclusively on and in their foodstuffs. The adults are positively phototaxic and will actively fly to find flowers outside the domestic environment.
Larvae tend to infest carpets and fabrics which are undisturbed or under compression, behind and underneath furniture. Adults can be seen wandering on the carpet and flying towards light sources.
1. The British Pest Management Manual. Section 5, pg 101.
2. ‘Pest Animals in Buildings, a world review’. Norman Hickin pg 127.
3. Lab notes, Tarakan International.