Glaucopis? Phalænoides. Alis anticis cinereis apicem versus subpellucidis, posticis parvis truncatis maculâ basali obscurâ. (Expans. Alar. 1 unc. 9 lin.)
Syn. Sphinx Phalænoides, Drury, App. vol. 2.
Habitat: Bay of Honduras.
Upper Side. Antennæ pectinated and grey, being smallest at the extremity, which is white. Head grey. Neck white. Thorax ash-coloured. Abdomen pale yellow. Anterior wings ash-coloured next the shoulders, and along the anterior and posterior edges; the remaining parts being nearly transparent. Posterior wings singularly shaped; ash-coloured next the body, but the anterior parts are subpellucid. On these parts is placed a small triangular spot, of different colours when held in different directions, in some being yellow, in others ash-coloured.
Under Side. Tongue curled up. Breast yellow. Sides and abdomen white. Anterior wings appearing more pellucid than above. Anterior and external edges white; and near the shoulders is placed a white oval spot on each. Posterior wings ash-coloured, but round the edges are white; appearing to be less pellucid than on the upper side. The triangular spot is scarcely discernible on this side.
PLATE XXIX.
SPHINX ACHEMON.
Plate [XXIX]. fig. 1.
Order: Lepidoptera. Section: Crepuscularia. Family: Sphingidæ.