Sphinx Brontes. Alis griseis puncto discoidali albido, strigisque transversis undatis fuscis, posticis nigricantibus margine interno et ad angulum ani pallidioribus. (Expans. Alar. 4 unc.)
Syn. Sphinx Brontes, Drury, App. vol. 2.
Habitat: New York.
Upper Side. Antennæ white within, brown outside. Head and neck dark brown. Thorax and abdomen grey; on the hinder part of the former are two black spots, and on each ring of the latter are two small black streaks, placed on its sides, down to the tail. Anterior wings grey, with a white spot in the middle of each near the anterior edges, and a small white cloud next the tips; having several curved and indented black lines crossing them from the anterior to the posterior edges, some being faint, others very distinct; cilia brown, spotted with white. Posterior wings very dark brown; but along the abdominal edges and corners grey; cilia white and brown.
Under Side. Breast white. Legs mottled. Abdomen white, with four reddish spots placed along the middle. Anterior wings dark grey brown, without any marks on them, except at the tips, where is placed a narrow white streak joining to the anterior edges. Posterior wings dark grey brown; but next the abdominal edges white, without any marks on them, except two faint lines crossing them from the anterior edges to the abdominal corners.
PLATE XXX.
TRICHIUS (ARCHIMEDIUS) DELTA.
Plate [XXX]. fig. 1, natural size—fig. 2, magnified.
Order: Coleoptera. Section: Lamellicornes. Family: Cetoniidæ, MacLeay.