sacodes

from The Century Dictionary.

• noun A genus of beetles of the family Cyphonidæ, erected by Leconte for three North American forms having the last joint of the maxillary palpi acute, antennæ subserrate, body regularly elliptical, moderately convex, and the thorax semicircular, produced over the head, and strongly reflexed at the margin, as S. thoracica. The group is now included in the larger genus Helodes.