58 
Journal New York Entomological Society. 
[Vol. IV. 
Trochuda impura, sp. nov. 
Head and thorax yellowish. Abdomen white, subdorsally fawn color. Pri¬ 
maries whitish yellow ; two oblique parallel brownish lines, one at a third from the 
base, the other from the apex to the middle of the inner margin. Secondaries white. 
Expanse 9 43 mm - 
Habitat: Sao Paulo, S. E. Brazil. 
Megalopyge Iapena, sp. nov. 
Body whitish gray, with indistinct transverse brown shades. Primaries very 
pale brownish gray, whiter beyond the cell and between the veins near the outer 
margin; at the end of the cell a small reddish brown spot; below the median vein 
a large reddish brown spot composed of long crinkly scales. Secondaries and under¬ 
neath yellowish white. Expanse g 35 mm. 
Habitat: Jalapa, Mexico. 
Megalopyge fieldia, sp. nov. 
g. Head white, brown behind. Collar white anteriorly, brown posteriorly. 
Thorax brown edged with white in front and with two white tufts posteriorly. 
Abdomen brown with a subdorsal row of white tufts. Primaries with the basal 
half brown except the costa which is white with a few long brown streaks; 
a dark brown spot at the end of the cell; the outer half of the wing brown with the 
veins whit sh and two transverse white lines breaking the brown up into irregular 
spots; there are also some white longitudinal streaks between the veins on the outer 
margin. Secondaries brown ; white at the base of the costal margin ; some whitish 
spots on the fringe. Underneath brown, some; white marginal streaks ; the inner 
margin of the primaries broadly white. Expanse 45 mm. 
Habitat: Sao Paulo, S. E. Brazil. 
Megalopyge vipera, sp. nov. 
9 . Head brown. Collar white. Thorax brown. Abdomen brown with a few 
grayish scales subdorsally. Primaries brown, the basal two-thirds with crinkly 
white scales along the costa, and transverse brownish streaks to the inner margin, 
and a dark brown spot at the end of the cell as in M. albicollis Walk.; the outer 
margin broadly grayish brown without markings. Secondaries grayish brown. 
Underneath dull brown. Expanse 53 mm. 
Habitat: Sao Paulo, S. E. Brazil. 
This species is very closely allied to M. albicollis Walk., which is 
placed by Kirby as a synonym of M. nuda Stoll, but M. nuda is 
quite distinct, as I have seen specimens in the collection of Mr. Ober- 
thiir which agree perfectly with Stoll’s really excellent figure. 
Megalopyge trujillo, sp. nov. 
$ . Head cream color; palpi black. Body brown. Primaries brownish gray; 
a large white spot at the base, a smaller one at the end of the cell connected with the 
basal spots by a white line; an outer transverse irregular white band between which 
