Figure 4. Forewing measurements. cvļ height of first costal veinlet (red) cv6 height of tallest costal veinlet (in this case, the sixth costal veinlet, red), g.c.#2, g.c.#3 height (red) and width (blue) of first and second gradate cells (cells bounded above and below by gradate veins) icuļ, icu2, icu3 length of first (blue), second (red) and third (blue) intracubital cells imļ length of first intramedian cell (blue) m3 length of third median cell (blue) r4 height (red) and width (blue) of tallest radial cell (in this case, the fourth radial cell) #2, #3 height (red) and width (blue) of second and third cells with radial sector at base and inner gradate at tip.