The Collaborative International Dictionary
Xylophagan
Xylophagan \Xy*loph"a*gan\, n. [See Xylophagous.] (Zo["o]l.)
One of a tribe of beetles whose larv[ae] bore or live in wood.
Any species of Xylophaga.
Any one of the Xylophagides.
Wiktionary
xylophagan
n. Any insect of the genus ''Xylophaga'', which bores into wood.