LEUC0TMH3II'-\ — COSMOSOMA. 



225 



Hind wing hyaline, the veins and margins broadly black ; the 

 terminal band expanding towards apex and tornus. 



Hah. Amazons, Para {Bates), 1 $ type t in Mus. Oxon. Eaj^. 

 32 millim. 



Genus COSMOSOMA. 



Type. 



Cosmosoma, Hiibn. Saraml. Ex. Scliraett. ii. (1827), non descr. auge. 



Cosmosoma, Harris, Amer. Journ. Sci. xxxvi. p. 317 (1839) ... auge. 



Lagaria, Wlk. i. 164 ( 1854), nee Dallas, Heiii. 1852 erythrarcho><. 



Erruca, Wlk. i. 165 (1854) deyrolli. 



Eipa, Wlk. i. 166 (1854) hraconoides. 



Aristodcema, Wallengr. Vet.-Akad. Forhandl. xv. p. 136 (1858). hanga, 



Bezia, Kirbj, Cat. Het. p. 149 (1892) erythrarclws . 



Proboscis well developed ; palpi upturned, moderately scaled and reaching 

 above vertex of head ; antennas bipectinate, with rather short branches dilated 

 at extremity ; tibioe with the spurs short. Fore wing rather broad ; vein 3 

 from before angle of cell ; 4, 5 from angle ; 6 from upper angle ; 7, 8, 9, 10 

 stalked ; 11 from cell. Hind wing with veins 2 and 4 stalked; 3 and 5 absent 

 or 3 given off just before the margin ; 6, 7 from upper angle. 



Sect. I. Hind wing with the lower part of cell short, the upper discocellular 

 oblique ; veins 2 and 4 on a long stalk ; palpi long. 



A. Abdomen of male with a channelled ventral fan- 

 shaped valve covering basal segments. 



a. Thorax and abdomen scarlet demantria. 



h. Thorax and Ist segment of abdomen scarlet ignidorsia. 



c. Thorax not scarlet. 



. Legs scarlet. 



a^. Abdomen without lateral patches of scarlet... suhfla^nma. 



b^. Abdomen with lateral patches of scarlet. 



Abdomen with the lateral scarlet bands 



not interrupted by triangular black and 



blue spots and ending at 4th segment auge. 



P. Abdomen with the lateral scarlet bands 

 interrupted by triangular black and blue 



spots and extending to 6th segment sectinota. 



h^. Legs black, or yellow and black. 



a"^. Abdomen entirely scarlet hector. 



b"^. Abdomen scarlet or orange, with the extremity 

 black. 



a^ Thorax black curcheri. 



b'-^. Thorax yellow and black ; wings with the 



veins of medial area yellow semifulva. 



c^. Abdomen black, with lateral basal scarlet, 

 crimson, or orange patches. 

 a^. Abdomen without white spots ; dorsal and 

 lateral blue spots and lateral scarlet 



streaks impar. 



b^. Abdomen with white spots. 



a'*. Abdomen with the lateral basal patches 

 and the basal inner area of fore and 

 hind wings crimson, 

 a'. Abdomen without crimson subdorsal 



spots on 3rd segment ordinaJc. 



¥. Abdomen with crimson subdorsal spots 

 on 3rd segment, the lateral patches 



confined to 1st segment erythrarchos { 2 ) . 



VOL. I. Q, 



