The Collaborative International Dictionary of English v.0.48:

Calicoback \Cal"i*co*back`\, n. (Zool.)
   (a) The calico bass.
   (b) An hemipterous insect (Murgantia histrionica) which
       injures the cabbage and other garden plants; -- called
       also calico bug and harlequin cabbage bug.
       [1913 Webster] Calicular