Setiostoma eusema Walsingham 1914

Setiostoma eusema Walsingham, 1914:303

The following is quoted from the original description:

Antennae white above, reddish fuscous beneath. Palpi white above, bright orange-yellow beneath. Head and Thorax dark purplish fuscous. Forewings bright yellow at the base, a rosy purplish metallic spot on the costa, and a limbal shade in the yellow basal patch, which is bounded at about one-fourth by a dark reddish cupreous line, descending straight from costa to dorsum, its outer side shining rosy steel-grey, succeeded by a band of rich cupreous, on the outer edge of which about the middle, is a conspicuous tuft of raised dark brownish fuscous scales; the median portion of the wing, except for a cupreous patch, on the costa rather beyond the middle, is shining rosy steel, blending into a cupreous patch, produced to the apex and containing some black and bright blue-metallic scales in its upper portion, and a strong patch of brilliant purple before the termen; cilia shining, purplish grey. Exp. al. 12 mm. Hindwings shining, dark brownish cupreous; cilia blue-grey, with a dark line along their base. Abdomen (missing). Legs silvery white, with cupreous bands on their outer sides, and one or two cupreous spots on the hind tarsi.

Type ♂ (666665) Mus. Wlsm. (Godm-Salv. Coll.) BM.

Hab. Guatemala: Sacatepequez: Capetillo, IV–V. 1879 (G. C. Champion). Unique.

This species differs from xanthobasis Z. and fernaldella Riley in having the tegulae uniformly dark-coloured, like the thorax.