by William Swainson, Zoological Illustrations Series II… (1829)
“ Entomologists, from being acquainted only with the habits of the European species of this family, represent the Hesperidæ as resting with only the hinder wings elevated: This is altogether a mistake. Some groups, indeed, assume this position when basking in the sun, or taking food; but even these, when fairly at rest, erect their wings in the ordinary manner: a fact we have repeatedly witnessed. Not so, however, with the group we now illustrate: and which is peculiar to South America. These insects rest with all the four wings expanded ”
