Xestobium rufovillosum

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Xestobium rufovillosum (click on image to enlarge it)
Source: Wikimedia Commons

Xestobium rufovillosum de Geer - (deathwatch beetle)

The beetle attacks wood structures (especially oak) and books. The larvae bore into hard wood and the emerging adults leave the familiar small, round exit holes. Especially wooden objects kept outside are infested.

The "deathwatch" sound is a tapping noise made by the beetles by hitting their heads repeatedly against the wood, apparently to attract a beetle from the opposite sex.

Vernacular names
• Deutsch: Scheckiger Pochkäfer
• English: deathwatch beetle
knock beetle
• Français: horloge de la mort
anobie roux