Cosmosoma thoracicum Schaus, 1905

Schaus, W. (1905). Descriptions of new South American moths. Proceedings of
the United States National Museum 29 (no. 1420): 179-345; p. 186.

Genus COSMOSOMA Hubner.

COSMOSOMA THORACICUM, new species.

Collar and thorax ochreous orange. Body otherwise black; frons spotted
with blue; two blue dorsal spots on first segment of abdomen, lateral blue
spots on other segments. Wings hyaline. Primaries: base ochreous orange;
margins black, the apex broadly so; space between veins 2 and 3 to inner
angle, also between 3 and 4 close to cell black; veins and discocellular
black. Secondaries: the margins broadly black.

Expanse.—24 mm.

Habitat.—100 miles up the Maroni River, French Guiana.

Type.—Cat. No. 8490, U.S.N.M.

Hampson, G. F. (1914). Catalogue of the Lepidoptera Phalaenae in the British
Museum. Supplement, vol. 1 (Amatidae and Lithosiadae): p. 165, pl. VIII
fig. 26.

521 c. Cosmosoma thoracica. (Plate VIII. fig. 26.)

Cosmosoma thoracicum, Schaus, P. U.S. Nat. Mus. xxix. p. 186 (1905).

♂. Head black with metallic blue patches on frons and vertex of head;
antennae white at tips; thorax orange, the tegulae in front and the patagia
at shoulders and tips edged with black; pectus and legs black with metallic
blue patches on the coxae and sides of pectus; abdomen black with subdorsal
series of blue spots. Fore wing hyaline, the veins and margins black; an
orange patch at base; the terminal band expanding widely on apical area and
to median nervure between veins 3 and 2. Hind wing hyaline, the veins and
margins black; the terminal band wide from apex to submedian fold, its
inner edge somewhat dentate; the underside with the base, the costal area
to before middle, and the cell except lower extremity orange.

Hab. Fr. Guiana, Maroni R., type ♂ in U.S. Nat. Mus. Exp. 28 millim.

Draudt, M. (1915). Cosmosoma. In: Seitz, A. (ed.), The Macrolepidoptera of
the World, vol. 6, The American Bombyces and Sphinges (English edition):
p. 79.

C. thoracicum Schaus. The neck and thorax are ochreous orange, the other
part of the body is black, on the forehead, the first abdominal ring and at
the sides of the other rings blue-spotted. The forewings are orange at the
base; the margins and apical spots are broadly black, as well as the space
between the lower median veins and near the cell also between the upper
median vein and the lower radial. Expanse of wings: 24 mm. French Guiana.