132 
Journal New York Entomological Society. 
LVoi. lv. 
Cosmosoma lucia, sp. nov. 
Body black above with a subdorsal row of metallic blue spots from the head to 
the anal segement. Underneath, thorax and legs red. Wings hyaline margined 
with black, widely at the apices; veins black, especially the discocellulars on the 
primaries. Expanse, 36 mm. 
Habitat: St. Lucia, B. W. I. 
Cosmosoma durca, sp. nov. 
Body black with a subdorsal and a lateral row of metallic green spots. Wings 
hyaline. The primaries with the base and margins broadly black, the costa narrowly 
so ; a black spot at the end of the cell. Secondaries with the outer margin black. 
Expanse, 31 mm. 
Habitat: Sao Paulo, S. E. Brazil. 
Cosmosoma dukinfieldia, sp. nov. 
Head black with a blue spot. Thorax black, a grayish spot on the patagia?. 
Abdomen black shaded with metallic blue at the base and laterally. Y ings hyaline. 
Primaries with the base and outer margin broadly blackish brown ; the costal and 
inner margins mottled pale fawn colour and black; a broad black spot at the end of 
the cell; all the veins black. Secondaries with the outer margin black. Underneath 
the thorax is spotted with metallic blue. Expanse, 42 mm. 
Habitat: Castro, Parana. 
Sansaptera, gen. nov. 
Antennae pectinated. Palpi porrect, second point long. Primaries long and 
narrow, the outer margin very oblique, the inner angle rounded; the submedian 
vein very short. Secondaries very minute, almost imperceptible, with the anal angle 
prolonged. 
Sansaptera cocho, sp. nov. 
Head black with two metallic points. Thorax black; two metallic blue spots on 
the collar. Abdomen black with a subdorsal and a lateral row of metallic scales; 
underneath white at the base. Primaries hyaline, veins and margins black, the 
outer margin broadly so; a black spot at the end of the cell; the base black with 
some metallic spots. Secondaries brownish black. Expanse, 29 mm. 
Habitat: Cavallo-cocho, Peruvian Amazons. 
Argyrceides sanguinea, sp. nov. 
Antennae black. Head black with white lines. Collar yellow. Thorax black > 
a yellow line on patagire. Abdomen black at the base with a yellow spot; the sec¬ 
ond segment yellow ; otherwise crimson dorsally with three transverse black streaks; 
beneath and laterally black; anal tuft black. Wings hyaline, finely margined with 
black. Discocellulars more heavily black on the primaries. Expanse, 24 mm. 
Habitat: Castro, Parana. 
Syntrichura brodea, sp. nov. 
Head black spotted with white. Body dorsally brilliant metallic green, the 
