alternative definition added over 14 years ago by Istvan Miko
A specialized area of the tergum of the last externally visible segment of the metasoma; it is usually flattened and defined laterally by ridges or grooves.
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.