alternative definition added about 17 years ago by Andy Deans
plate-like apodemal lobes of the antecostae of the mesonotum, metanotum, and first abdomenal tergum; the second and third carried by the postnotal plates of the pterothorax when he latter are separated from the following terga to which they normally belong
Reference: Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
Cross reference:
None provided.