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Show 1883.] MR. F. MOORE ON LIMNAINA AND EUPLCEINA. 223 Genus RADENA. Radena, Moore, Lep. of Ceylon, i. p. 3 (1880); Distant, Rhopal. Malayana, p. 9 (1882). Danaus (part.), Latreille, Gen. Crust, et Ins. iv. p. 201 (1809). Hestia (part.), Hiibner, Verz. bek. Schmett. p. 15 (1816). Danais (Radena), Marshall & de Niceville, Butt, of India, Burmah, &c. p. 32 (1882). Fore wing moderately long, triangular; first subcostal branch emitted at about one third before end of the cell and anastomosed to the costal in the middle, second branch emitted immediately before end of the cell, third and fourth at equal distances beyond; discocellulars concave, upper slightly bent before the middle, producing a very short discoidal spur within the cell from the angle, lower discocellular slender at its upper end ; upper radial from end of cell, in a line with subcostal, lower from the middle ; medians at equal distances apart; submedian with a short, slender, lower basal veinlet. Hind wing broad, somewhat triangular; costal margin long, nearly straight, abdominal margin long; costal vein very convex irom the base and then extending straight along edge of the margin ; cell long, broad; subcostals and median branches very wide apart. No scent-pouch in male. Antennae longer than in allied genera, and with a more gradually thickened and blunt club. Apical joint of palpi long. Larva (R. juventa) with two pairs of fleshy filaments. Type R. similis. 1. RADENA SIMILIS. Papilio similis, Linn. Mus. Ulr. p. 299 ; id. Syst. Nat. x. p. 479 (1758) ; Clerck, Icones, i. pl. 16. f. 3 (1759) ; Fabr. Ent. Syst. iii. p. 58. Danais similis, Butler, Catal. Lep. Fabr. Brit. Mus. p. 6. Danais similis, Aurivillius, Kongl. Vet.-Akad. Handl. 1882, p. 100. Papilio aventina, Cramer, Pap. Exot. i. pl. 59. f. F (1779). Danais aventina, Godt. Enc. Meth. ix. p. 191. Danais chinensis, Felder, Verh. zool.-bot. Gesellscb. xii. p. 488 (1862). Hab. Hongkong; Formosa. 2. RADENA PERSIMILIS. (Plate XXXI. fig. 4.) Danais persimilis, Moore, Proc. Zool. Soc. 1879, p. 136. Hab. Siam (Bankok). In coll. F. Moore. 3. RADENA VULGARIS. Danais vulgaris, Butler, Entom. Monthly Mag. xi. p. 164 (1874) Moore, Proc. Zool. Soc. 1878, p. 822. Radena vulgaris, Distant, Rhopalocera Malayana, p. 10, pl. 1. f. 8 (1882). |