Published online by Cambridge University Press: 31 May 2012
Primaries–The costa attains the margin before the middle ; the subcostal, which is faint towards the base, sends a branch to the margin from before the middle, two others near the end of the cell, another beyond the cell and becomes furcate before the tip, one of the branches going to each margin. Cell closed by a very short oblique discal vein without branches. The median sends two branches to the margin before the end of the cell, and becomes furcate behind it. Submedian furcate at base. Wing lanceolate, with moderately long ciliæ.