Petiole (insect anatomy)
Insect waist anatomy term / From Wikipedia, the free encyclopedia
For the botanical use, see petiole (botany).
In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita.
The petiole can consist of either one or two segments, a characteristic that separates major subfamilies of ants.