Forewings with slightly crenulate (scalloped) cilia. Forewings rather long and narrow with crenulate cilia. Leaves ovate, crenulate or dentate. Hindwings with outer margin crenulate (scalloped) and vein 3 from angle of cell. Female with ochreous sub-marginal line of hindwings crenulate. The outer lip crenulate, ridged within, with a shallow, wide sinus. Leaves persist throughout the year, and are opposite with crenulate margins. Forewings with non-crenulate cilia in male, crenulate in female. The leaf margins are serrulate to crenulate with incurved teeth. Phloeosinus pini is a species of crenulate bark beetle in the family Curculionidae. Xylechinus montanus is a species of crenulate bark beetle in the family Curculionidae. The outer lip is varicose, crenulate and shortly lirate within. The male forceps are very robust and broadened basally with crenulate teeth. Hylesinini is a tribe of crenulate bark beetles in the family Curculionidae. Xylechinus is a genus of crenulate bark beetles in the family Curculionidae.