A slightly concave fold in the forewing that is adjacent to the posterior margin of the wing behind the cubital fold, which often is indicated only by a line of setae (see subcubital setal line); sometimes called the subcubital vein if pigmented.
written by: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
