The falcate Orange-tip Synchloe genutia The falcate Orange-tip is about the only member of this tribe generally distributed east of the Rocky Mountains.
"Butterflies Worth Knowing"
Clarence M. Weed
This outer angle projects into a distinct point which gives the species its name falcate.
"Butterflies Worth Knowing"
Clarence M. Weed
The back fin rises behind the centre of the back; it is comparatively small, falcate, curved over the top to a blunt point, and concave behind.
"Natural History of the Mammalia of India and Ceylon"
Robert A. Sterndale