by William Swainson, Zoological Illustrations — Vol I. Pl… (1820)
“ The male insect is distinguished (like all the Hesperidæ) by having the eyes considerably larger, and the anterior wings more narrowed than in the other sex: in this species the bands on their wings assume the form of three yellowish spots, adjoining which, on the inner side, is a semi-lunular villous mark, an almost constant indication (where it exists) of this sex. The straw-coloured border beneath the posterior wings is narrower and darker than in the female ”
