alternative definition added over 15 years ago by Istvan Miko
Name of wing vein, applied to apocritan wings with reduced venation, e.g., Chalcidoidea, Platygastroidea, composed of the base of the radius (before split into R1 and Rs) and the basal portion of R1 that is not on the margin of the wing.
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.