68 Journal New York Entomological Society. [Voi. 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 f 43 rniri- 



Habitat : Sao Paulo, S. E. Brazil. 



Megalopyge lapena, 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 $ 35 mm. 



Habitat : Jalapa, Mexico. 

 Megalopyge fieldia, sp. nov. 



$. 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 Mith 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. 



5 . 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 Jlf. albicollis Walk., which is 

 placed by Kirby as a synonym of M. nuda Stoll, but M. niida is 

 quite distinct, as I have seen specimens in the collection of Mr. Ober- 

 thiir which agree perfectly with StoU'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 i;etv\een which 



