squash bug

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various hemipteran insects of the family Coreidae, especially Anasa tristis of North America, which damages squashes and other cucurbits.

from The Century Dictionary.

• noun An ill-smelling heteropterous insect, Anasa tristis, of the family Coreidæ, found commonly on the squash and other cucurbitaceous plants in North America.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun large black American bug that sucks sap of vines of the gourd family