Habitat: Jamaica.
Upper Side. Antennæ and head chesnut; a flesh-coloured line encircles the eyes, running to the shoulders, where it becomes white. Thorax chesnut. Abdomen rather paler on the top; underneath very light clay colour. Anterior wings sorrel chesnut, having two faint oblique waved lines crossing them from the tips to the middle of the posterior edges, where is a small cloud the colour of blue clay, and next the shoulders is a small narrow cream-coloured mark. Posterior wings dark brown, with a row of yellow cream-coloured spots running from the anal angle towards the middle of the anterior margin.
Under Side. Breast and abdomen very pale clay colour. Anterior wings at the base pale clay-coloured, towards the middle darker; from thence to the tips prettily clouded with orange and clay-coloured marks, divided by dark lines, and many small dark brown spots. Posterior wings along the interior margin clay-coloured, and along the extreme part of the anterior edges the same; the remainder of the wings dull orange, faintly shaded and spotted with brown marks and dots.
ZYGÆNA? THETIS.
Plate [XXVI]. fig. 4.
Order: Lepidoptera. Section: Crepuscularia? Family: Zygænidæ, Leach.
Genus. Zygæna? Fabr. Anthrocera, Scop. Sphinx, Drury.
Zygæna? Thetis. Cœrulea, thorace anticè rubro punctato, alis nigris, anticis apice, posticis disco, hyalinis. (Expans. Alar. 1 unc. 6 lin.)
Syn. Sphinx Thetis, Linn. Mantiss. 1. 539.
Zygæna Thetis, Fabr. Ent. Syst. III. 1. 391. No. 17. Gmel. Linn. S. N. 2393. 115. (Sphinx T.)