. Catalogue of the Lepidoptera Phalænæ in the British Museum. British Museum (Natural History). Dept. of Zoology; Moths; Lepidoptera. MESOTHEX. CHROSTOSOMA. 215 hyaline, the veins and margins black. Eore wing with the base black ; the terminal band expanding at tornus and widely on apical area. Hind wing with the terminal band expanding at apex. Eab. Brxzil, Santa Catharina. E,vp. 30 millim. Type t in Coll. Schaiis. 449. Mesothen desperata. (Plate VIII. fig. 3.) Fseudomija desperata, Wlk. vii. 1602 (1856); Kirby, Cat. Het. p. 139. $ . Black ; abdomen with rather broad greyish subdorsal fasciae
. Catalogue of the Lepidoptera Phalænæ in the British Museum. British Museum (Natural History). Dept. of Zoology; Moths; Lepidoptera. MESOTHEX. CHROSTOSOMA. 215 hyaline, the veins and margins black. Eore wing with the base black ; the terminal band expanding at tornus and widely on apical area. Hind wing with the terminal band expanding at apex. Eab. Brxzil, Santa Catharina. E,vp. 30 millim. Type t in Coll. Schaiis. 449. Mesothen desperata. (Plate VIII. fig. 3.) Fseudomija desperata, Wlk. vii. 1602 (1856); Kirby, Cat. Het. p. 139. $ . Black ; abdomen with rather broad greyish subdorsal fasciae ; wings hyaline, the veins and margins black. Fore wing with the costal and inner fasciae broad at base, the terminal band expanding slightly towards apex. Hah. Panama, Chiriqui; Brazil, Amazon (Bates), 1 $ type f in Mus. Oxon., Casa Branca, 2 $ . ^. 22 millim. Type. Genus CHROSTOSOMA. Chrostoso>7ia, Hiibn. Verz. p. 126 (1827) LcemGcharis, , Aussereur. Scbmett. i. p. 80 (1854). echemus. Heterodontia, Feld. Reis. Nov. p. 5 (1874) tricolor. Palpi upturned, not reaching vertex of head, the 3rd joint acuminate; proboscis well developed; antennae bipectinate, the branches dilated at extremity; tibijB with the spurs minute. Fore wing with vein 3 from near angle of cell; 4, 5 from angle; 6 from upper angle; 7, 8,9, 10, 11 stalked. Hind wing with veins 2 and 4 stalked ; 3 absent, or stalked with 2; 5 from middle of discocellulars ; 6, 7 from upper angle. Sect. I. Hind wing with vein 3 absent. A. Hind wing with the basal area white. a. Vertex of head metallic blue; hind wing with the dark terminal band emitting a projection below the cell to near the base decisa. h. Vertex of head dark; hind wing with the projection of terminal band not reaching beyond middle of hcematica. B. Hind wing with the basal area hyaline, a. Abdomen with crimson dorsal spot on 1st segment ... echemus. h. Abdomen with crimson subdorsal spots on 1st segment, 450. Chrostosoma
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