Ptinidae

Ptinidae
Temporal range: 105–0 Ma Late Albian-Present
Caenocara sp.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Bostrichiformia
Superfamily: Bostrichoidea
Family: Ptinidae
Latreille, 1802
Subfamilies
Diversity
at least 220 genera
Xestobium plumbeum
Hedobia imperialis, Fan-bearing wood borer

Ptinidae is a family of beetles in the superfamily Bostrichoidea. There are at least 220 genera and 2,200 described species in Ptinidae worldwide.[1] The family includes spider beetles and deathwatch beetles.[2]

The Ptinidae family species are hard to identify because they are so small, and they have a compact body structure. They also have similar morphologies within the genera and species of the family.[3]

There are three main groups in the superfamily Bostrichoidea: Bostrichidae, Anobiidae, and Ptinidae. These have undergone frequent changes in hierarchical classification since their inception. They have been treated as a single family, three independent families, the two families Bostrichidae and Anobiidae, or the two families Bostrichidae and Ptinidae. More recent literature treats these as the two families Bostrichidae and Ptinidae, with Anobiidae a subfamily of Ptinidae (Anobiinae).[4][5][6][7][2]

Spider beetles are so named because they look like spiders. Some species have long legs, antennae that can seem like an additional pair of legs, and a body shape that may appear superficially like that of a spider.

Deathwatch beetles are named because of a clicking noise that two (and possibly more) species tend to make in the walls of houses and other buildings. This clicking noise is designed to communicate with potential mates, but has historically caused fear of impending death during times of plague and sickness.

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  3. ^ Arango, Rachel; Chaboo, Caroline. "Beetles (Coleoptera) of Peru: A Survey of the Families. Ptinidae Latreille, 1802".
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