ISAXTHREXE. 99 



*343 a. Isanthrene drucei. 



Isanthrene drucei, Roths. Nov. Zool. xviii. p. 26 (1911), & xx. p. 471, 

 pi. xiv. f. 11. 



c? . Head yellow ; palpi with a black streak at sides towards 

 tips; back of head black; antennae fulvons red, the basal half of 

 shaft black ; thorax black-brown with yellow patches on tegulae 

 and stripes on patagia and dorsum ; pectus and legs black-brown 

 and yellow, the coxae white, the tibiae and base of fore tarsi fiery- 

 red ; abdomen black-brown, a bifurcate yellow and white patch at 

 base of dorsum, the three medial segments with subdorsal yellow 

 spots, lateral yellow spots on 2nd to 5th segments, the ventral 

 surface with white bars on three medial segments. Fore wing 

 hyaline with a fulvous yellow tinge, the veins and margins black ; 

 some yellow at base ; the black on termen expanding widely on 

 apical area. Hind wing hyaline, the veins, margins, and inner 

 area black ; some yellow at base and on inner margin ; the under- 

 side with the costal area yellow to beyond middle. 



Hah. Colombia, type f 6 in Coll. Rothschild. Exp. 42 

 millim. 



*345 a. Isanthrene cajetani. 



Isanthrene cajetani, Roths. Nov. Zool. xviii. p. 26 (1911), & xx. p. 471, 

 pi. xiv. f. 23. 



d ■ Head and thorax yellow ; antennae orange-red, yellow at 

 tips ; palpi, sides of frons, and basal joint of antennae black ; vertex 

 of head, tegulae, and patagia edged with black ; pectus black and 

 yellow ; legs black, the coxae white ; abdomen yellow with black 

 bands expanding into small dorsal spots, the ventral surface black 

 with white bars except on terminal segments. Fore wing hyaline, 

 the veins and margins black-brown ; some yellow at base ; a yellow 

 streak below costa and streaks above and below basal part of vein 1 ; 

 the black on termen expanding widely on apical area and slightly 

 below vein 2. Hind wing hyaline, the veins, margins, and inner 

 area black-brown ; some yellow at base ; the black on termen 

 expanding slightly towards apex. 



Hab. Cextr. America, typef J in Coll. Rothschild. Exp. 

 54 millim. 



*34G a. Isanthrene columbiana. 



Isanthrene columbiana, Roths. Nov. Zool. xviii. p. 26 (1911), & xx. p. 471, 

 pi. xiv. f. 25. 



2 ■ Head and thorax black-brown ; antennae orange-red, the 

 basal half of shaft black above ; pectus with lateral yellow spots ; 

 abdomen black-brown shot with metallic blue, the basal segment 

 with bifurcate yellow dorsal patch and some yellow at sides, the 

 2nd segment with conjoined subdorsal and lateral spots, the 3rd 

 segment with small subventral white spots. Fore wing hyaline, 

 the veins ami margins black; a golden-yellow streak below costa to 



n 2 



