alternative definition added about 15 years ago by Istvan Miko
The principal middle division of the body to which the legs are attached, between the head and abdomen (cf. mesosoma).
Reference: Goulet, H., and J. T. Huber. 1993. Hymenoptera of the World: An Identification Guide to Families. Research Branch, Agriculture Canada Publication 1894/E., Ottawa, ON 668 pp.
Cross reference:
None provided.