March, igoi.] SCHAUS : HeTEROCERA FROM TROPICAL AMERICA. 41 



orange, otherwise black. Thorax below and legs black. Wings transparent, the 

 veins black. Primaries: margins narrowly black ; a black streak at end of cell, a 

 transparent streak at base of costa. Secondaries somewhat opalescent ; the margins 

 narrowly black, more broadly so between anal angle and vein 2. Expanse, 38 mm. 



Habitat : Castro, Parana. Looks very much like Gymnelia xantho- 

 gastra Perty. 



Mesothen albifrons. 



Head black ; frons white. Collar and thorax above black ; patagiee streaked 

 with yellow ; underneath yellow. Legs yellow ; tarsi and joints black. Abdomen 

 yellow ; last three segments black. Wings hyaline, veins black Primaries : some 

 yellow hairs at base ; margins black, thickened at inner angle ; apex broadly black ; 

 discocellular slightly more heavily marked than veins. Secondaries : margins nar- 

 rowly black ; some yellow at base. Underneath costal margin and veins streaked 

 with yellow ; fringe terminally yellow at anal angle. Expanse, 25 mm. 



Habitat : Colombia. 

 Cosmosoma flavita. 



Head black. Collar yellow. Thorax yellow ; two black spots anteriorly ; pata- 

 gire outwardly streaked with blue black. Legs black ; fore cox?e yellow. Abdomen 

 yellow ; last two segments black. Wings hyaline, veins black ; base of wings black ; 

 margins narrowly black, more widely so at apices, especially on primaries ; base of 

 costa with vitreous streak. Expanse, 38 mm. 



Habitat : Colombia. 

 Eurota minerva. 



Head black. Collar black ; two large yellow spots. Thorax black ; a yellow 

 spot anteriorly on patagife. Abdomen black ; lateral crimson spots on first three seg- 

 ments ; a yellow spot on the fourth and fifth. Primaries black ; a yellow streak at 

 base ; some crimson hairs at base of inner margin ; median semitransparent white spots, 

 two in cell, superposed, one below cell somewhat larger, and a much smaller spot 

 below it; four similar spots beyond the cell between veins 3-7. Secondaries black ; 

 two whitish spots beyond the cell ; the inner margin broadly crimson. Underneath the 

 same. Hind wing with veins 2 and 4 from cell. Expanse, 27 mm. 



Habitat: Castro, Parana. 

 Macrocneme nordina. 



Antennae black, tipped with white. Palpi black outwardly suffused with blue. 

 Legs black ; hind tarsi black ; fore cox£e metallic green. Head black ; frons and 

 vertex blue. Collar black, irrorated with blue scales. Thorax black ; two subdorsal 

 metallic spots. Abdomen black ; a broad lateral metallic green band, suffused with 

 blue at base ; underneath some metallic spots. Wings black ; at base of primaries 

 Some metallic blue scales on inner margin. Underneath : wings black ; on primaries 

 some blue irrorations on costal margin and below cell ; on secondaries some blue irro- 

 rations on costal margin, at base of cell, and inner margin. Expanse, 35 mm. 



Habitat : Guadalajara, Mexico. 



