deathwatch beetle การใช้

• In 1838 Henry David Thoreau published an essay mentioning the deathwatch beetle.
• Henry David Thoreau observed in an 1838 article that deathwatch beetles make sounds similar to a heartbeat.
• The chancel roof, which had suffered severely from the ravages of the deathwatch beetle, was reconstructed in 1933.
• The woodwork was affected by deathwatch beetle and wet rot and repair work costing over ?5, 000 was needed.
• In 1931 it carried out work into the Deathwatch beetle; the first investigation into this pest had been by Harold Maxwell-Lefroy at Imperial College in 1914.
• Recalling his part in the West Port murders long ago, he announces his intention to kill Wolverine and feed him to the deathwatch beetles to steal his adamantium skeleton.
• In the 1950s, a number of preventive measures were instigated, including the removal of bulkheads to increase airflow and the fumigating of the ship against the deathwatch beetle.
• Following a survey in 2014 that unearthed evidence of Deathwatch beetle in the old oak beams the eventual cost of restoration was estimated at ?.5m, leaving the trust searching for further sources of funding.
• Later developments included the expenditure of ?3, 000 between 1963 and 1968 to combat deathwatch beetles found during rewiring, improvements to the heating system, and a rededication in 1974, the quincentenary of the church.
• The fan vaulting was installed in the 1950s after the wooden roof ( there was no money for a vault to be installed in the 15th century after King Henry VI was deposed ) became infested with deathwatch beetle.
• The adult is a shiny blue colour . The larvae live in tunneled wood that has been infested by the common furniture beetle and the deathwatch beetle and they feed on the larvae of these wood-damaging insects.
• They are therefore associated with quiet, sleepless nights and are named for the vigil ( watch ) kept beside the dying or dead, and by extension the superstitious have seen the deathwatch beetle as an omen of impending death.