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.
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.
White marked spider beetle Ptinus fur
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