Ptinus villiger

Reitter, 1884

Hairy Spider Beetle

Ptinus villiger is a of spider beetle in the Ptinidae, commonly known as the Hairy Spider Beetle. It has been documented across Europe, Northern Asia (excluding China), and North America. The species belongs to a known for stored product pest species, though specific habits of P. villiger are less well documented.

Pronunciation

How to pronounce Ptinus villiger: /ˈptɪnəs ˈvɪlɪdʒər/

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Identification

Distinguished from other Ptinus by its densely hairy (villose) , which gives the species its name. The specific epithet 'villiger' refers to this hairy condition. Separation from requires examination of setal and pattern, as well as genitalic characters.

Distribution

Recorded from Europe and Northern Asia (excluding China), and North America including the Canadian province of Alberta.

Human Relevance

As a member of the spider beetle Ptinus, it may occur in association with stored products and human dwellings, though its economic significance relative to other Ptinus has not been specifically documented.

Similar Taxa

  • Ptinus furAnother hairy Ptinus ; distinguished by differences in setal arrangement and
  • Ptinus sexpunctatusCommon stored product spider beetle with which P. villiger may co-occur; differs in elytral markings and setal characteristics

More Details

Taxonomic note

The placement has been treated variously as Anobiidae or Ptinidae in different sources; current classification recognizes Ptinidae as a valid family.

Sources and further reading