Term Definition
Costa The leading edge of the wing
Dorsum The trailing edge of the wing
Line, Lines A line is a unit of length equivalent to one-twelfth of an inch (or approximately 2mm)
Scale-tooth A set of well-developed scales lining up to form a prominent dark patch in the fringe of the wings of some plume moths (usually on trailing edge near tip of third segment of the hind wing).
Squamous Scale-like, scaly (see Scale-tooth)
Termen The outer edge of the wing