There are also three black spots on the front or costal margin, and the veins are black.
Stigmal vein parallel, in general trend, with the costal margin.
Its fore wings are brownish grey, crossed with zigzag darker lines, and having a black spot near the centre of the costal margin.
The fore wings are of a dull yellow colour, with rosy-red hind margins, and a broad border of the same tint on the costal margin.
The costal margin of the fore wing at the base is strongly angulated, and the posterior margin of the primaries is straight.
Its fore wings are ochreous and glossy, with a silvery streak from the base, running almost parallel with the costal margin.
A small dark spot also lies near the middle of the costal margin of each of the four wings.
The costal margin of the hind wings is clothed with tufted erect hairs in the male sex.
In the majority of insects the costal margin is marked with strong colour.
costal margin: the anterior margin of a wing whether it is really costate or not.
Spanish costa "coast," from same Latin source as English coast (n.). Used in Britain from 1960s in jocular formations (costa geriatrica, costa del crime, etc.) in imitation of the names of Spanish tourist destinations.
costa cos·ta (kŏs'tə)
n. pl. cos·tae (-tē)
A rodlike internal supporting organelle that runs along the base of the undulating membrane of certain flagellate parasites. Also called basal rod.