212 SYNTOMID^. 



Gemis MESOTHEN, nov, 



Tjjje, M. pyrrha. 



Proboscis fiillj- developed ; palpi obliquely upturned and reaching just above 

 vertex of head ; anteunee of male bipectinate, with moderate branches ; tibiae 

 with the spurs short ; abdomen of male with ventral valve covering basal 

 segments. Fore wing with vein 3 from angle of cell ; f) from well above angle ; 

 6 from upper angle; 7,8,9, 10 stalked. 11 from cell. Hind wing with the 

 lower part of cell short, the discocellulars angled just above median nervure ; 

 veins 2 and 4 stalked ; 3 and 5 absent ; 6, 7 from upper angle. 



A. Thorax and abdomen yellow, the latter streaked with black, rogenhoferi. 



B. Thorax and abdomen orange. 



a. Abdomen banded with black petosiris. 



b. Abdomen with dorsal series of black spots ignea. 



0. Thorax black with orange markings ; abdomen orange with 



bl ack bands seem ina . 



T). Thorax orange-red ; abdomen black. 



a. Abdomen with subdorsal red spots on 1st three segments, epimethens. 



h. Abdomen without subdorsal red spots pgrrha.. 



E. Thorax and abdomen black. 



a. Tegulfe, patagia, and patches at base of abdomen crimson, crytliama. 



b. Patagia and terminal segments of abdomen orange fiaviventris, 



c. Patagia and 4th segment of abdomen with crimson spots . catherina. 



d. Thorax and abdomen wholly black and grey desperata. 



*440. Mesothen rogenhoferi. 



Dycladia rogenhoferi, Schaus, P. Z. S. 1892, p. 27") ; & Am. Lep. pi. 1. 

 ^ f. 13. 



5 . Head black ; palpi at base and back of head ^-ellow ; frons 

 white ; thorax and abdomen yellow ; thorax with dorsal black 

 stripe ; knees and tarsi black ; abdomen with dor.sal and lateral 

 black stripes, becoming obsolete towards extremity, the lateral 

 stripes becoming sviblateral towards base ; wings hyaline, the veins 

 and margins black. Fore wing with short j'ellow streak above 

 base of inner margin, the terminal band expanding to apical area. 

 Hind wing with some yellow at base. 



Hah. Brazil, Rio Janeiro. Eay. 30 millim. Type f in Coll. 

 Schaus. 



441. Mesothen petosiris. (Plate VIII. fig. 1.) 



Loxophlebia petosiris, Druce, P. Z. S. 1883, p. 376 ; Kirby Cat. Het. p. 135. 



S . Head; thorax, and abdomen orange ; antenna? black : teguhe 

 and patagia edged with black ; abdomen with pair of dorsal black 

 spots on 1st segment ; the 2nd segment with large blue and black 

 subdorsal patches, the 3rd and 4th with blue and black bands ; 

 the terminal segments blue-black ; wings hyaline, the veins and 

 margins rather narrowly black. Fore wing with orange-yellow 

 streak below costa and short streak above inner margin ; the terminal 

 band expanding widely on apical area. Hind wing with some 

 yellow at base, the inner area black. 



