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For this reason, the deathwatch beetle is associated with quiet, sleepless nights and is named for the vigil (watch) being kept beside the dying or dead. By extension, there exists a superstition that these sounds are an omen of impending death.
Hemicoelus gibbicollis, known generally as California deathwatch beetle, is a species of death-watch beetle in the family Ptinidae. Other common names include the Pacific powder post beetle and western deathwatch beetle. It is found in North America. [1] [2] [3]
Ptilinus is a genus of death-watch beetles in the family Ptinidae. It is native to the Palearctic (including Europe), the Near East, the Nearctic, the Neotropical and North Africa. There are at least nine described species in Ptilinus. [1] [2] [3] [4]
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.
Hemicoelus is a genus of death-watch beetles in the family Ptinidae. ... (Say, 1823) i c g b (eastern deathwatch beetle) Hemicoelus costatus (Aragona, 1830) g;
According to superstition, deathwatch beetles are a sign of impending death. One variety of deathwatch beetle raps its head against surfaces, presumably as part of a mating ritual, while others emit ticking sounds. [20] Henry David Thoreau observed in an 1838 article that deathwatch beetles make sounds similar to a heartbeat. [21]
Tricorynus is a genus of deathwatch and spider beetles in the family Ptinidae. ... "Death-watch and spider beetles of Wisconsin (Coleoptera: Ptinidae)" (PDF).
Hemicoelus carinatus is a species in the subfamily Anobiinae ("death-watch beetles"), in the order Coleoptera ("beetles"). [ 1 ] [ 2 ] The species is known generally as the " Eastern deathwatch beetle ". [ 3 ]