alternative definition added almost 15 years ago by Istvan Miko
The entire back of a hymenopteran dorsad the pleural regions; or specifically, when qualified by the designation of a segment, the back region of that segment.
Reference: Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
Cross reference:
None provided.