Dictionary
har'lequin bug"
a black stink bug,
Murgantia histrionica, having red and yellow markings, that feeds on cabbages and other cruciferous plants. Also called
cabbage bug, calicoback, calico bug, har'lequin cab'bage bug". Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.