White marked spider beetle Ptinus fur

Adult female beetle which is darker and more rounded than the male

Size: 3-4mm

Shape: round thorax, round body. Spider-like.

Colour: Dark brown with white hairs

Antennae: Long, no club

Distinguishing features: Wing cases with lines and hairs, spider-like.

Larvae are scavengers of: dried food, dried plants.

Damage: Round exit holes, tunnels in food, frass.

Adults eat: Very little but do drink water and are long lived

Often found on: bird's nests, dead animals and insects

Note: Less common than Australian or Golden, but increasingly found in historic houses.They may damage books and paper.
Adult male
Female adults
Drawing of male and female

White marked spider beetle Ptinus fur

100%
Adult male
Female adults
Drawing of male and female