. Catalogue of the Lepidoptera Phalænæ in the British Museum. British Museum (Natural History). Dept. of Zoology; Moths; Lepidoptera. THYRARCTIA. Genus THYRARCTIA, uov. Type, T. cedo-nulli. Proboscis small; palpi upturned, uot reaching vertex of head, the 2nd joint fringed with scales in front, the 3rd minute ; antennae jDCctinate with moderate branches; a small triangular crest between antennaB; tegulte with curled hair at apices; thorax with high triangular crest; tibiae fringed with long hair; abdomen with lateral anal tufts. Fore wing with the costa arched ; the termen strongly angled at v
. Catalogue of the Lepidoptera Phalænæ in the British Museum. British Museum (Natural History). Dept. of Zoology; Moths; Lepidoptera. THYRARCTIA. Genus THYRARCTIA, uov. Type, T. cedo-nulli. Proboscis small; palpi upturned, uot reaching vertex of head, the 2nd joint fringed with scales in front, the 3rd minute ; antennae jDCctinate with moderate branches; a small triangular crest between antennaB; tegulte with curled hair at apices; thorax with high triangular crest; tibiae fringed with long hair; abdomen with lateral anal tufts. Fore wing with the costa arched ; the termen strongly angled at vein 5 ; vein 3 from long before angle of cell; 4, 5 from angle; 6 from upper angle; 7, 8, 9, 10 stalked, 10 from before 7 ; 11 from cell. Hind wing with the termen slightly angled at veins 5 and 1 b ; vein 3 from before angle of cell, 5 from angle, 4 absent; 6, 7 coincident and shortly stalked with 8. *1194. Thyrarctia cedo-nulli. Bomhyx cedo-nulli, Stoll, Pap. Exot. iv. pi. 346. A, B (1782); Kirby, Cat. Het. p. 852. S. Pale red-brown; palpi white in front; frons barred with white ; basal joint of antennae white ; legs with extremities of femora and tibiae and the greater part of tarsi white; abdomen with orange subdorsal fasciae and lateral black spots except on termiual segments, the ventral surface white. Fore wing with slight white striga below base of cell; an oblique line from origin of vein 3 to inner margin before middle : some dark brown above and below. Fig. 1.—Thyrarctia cedo-nulli, <$. origin of vein 2, bisected below it b}^ a pale striga; the end of cell and area just beyond it dark suffused with blue-grey, and with blue-grey lines on its inner edge and discocellulars and an inverted decanter-shaped yellowish hyaline mark in end of cell; a point beyond the cell below vein 6 and three irregular spots between veins 2 and 5 with three spots on termen beyond them; a triangular subapical patch with its inner edge indented and crossed by two brown veins ; cilia wh
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