1890.] CENTRAL AND SOUTH AMERICA. 501 



of elongated streaks extending from the apex to the anal angle 

 pale primrose-j-ellow, the base and a large spot at the end of the 

 cell bright red ; on the underside the spots are more suifiised and of 

 a dark yellow colour, with a large red spot at the end of the cell on 

 both wings. The head, thorax, tegute, and abdomen dark greyish 

 brown, the base of the tegulag yellow,and the thorax streaked with two 

 •wide yellow lines, the sides of the abdomen streaked with yellow, 

 the upper and underside of the abdomen banded with red ; the an- 

 tenna? and legs black. Expanse 5 inches. 



Eah. Paraguay, Uruguay {Mus. Driice). 



A fine distinct species, allied to E. sphndens, Druce. 



CoLOKADiA, Pack. 



COLORADIA LEPTA, Sp. U. 



Primaries and secondaries almost uniformly dark brown, darkest 

 along the costal margin and at the apex of the primaries, the veins 

 are aU_ slightly darker than the ground-colour of the wings ; the 

 underside of the primaries are slightly greyish. The head, thorax, 

 fcegula;, abdomen, and legs all dark brown; the antennae black. 

 Expanse 5| inches. 



Hah. Paraguay {Mus, Druce). 



Fam. Lasiocampid^. 

 DiEPHiA, Hiibn. 

 DiRPHiA LAVERifA, Bp. n. (Plate XLIII. fig. 1.) 



Primaries semihyaline, black, thickly irrorated with yellow scales ; 

 the veins all deep black ; a yellow spot at the base of the cell and a 

 yellowish band at the end of the cell. Secondaries semihyaline black, 

 with the fringe black and white. The underside of both wings pale 

 blackish brown with a yellowish tinge, and a white spot at the end 

 of the cell of both primaries and secondaries, the costal margin of 

 the latter edged with yellow. The head, thorax, and tegulfe black, 

 clothed with long yellowish hairs ; the collar yellow, the abdomen 

 black, banded with yellow ; the anus and legs red ; antennae black. 

 Expanse 2| inches. 



Hah. Ecuador, Intaj (Buekleij, Mus. Druce). 



This insect is very distinct from all known to me and has not' 

 any near ally. 



DiRPHIA LATEMEDIA, Sp. n. 



Primaries very like D. rosea, Druce, but much browner in colour, 

 and instead of the straight lines that cross the wings in that species 

 is a series of lunular-shaped yeUow markings edged with black, 

 extending from the costal to the inner margin ; the darker markings 

 are all more defined, the spot at the end of the cell being consider- 

 ably larger. Secondaries dark brown, with a yellowish tinge at the 

 base, and the black submarginal line very distinct. The head and 

 thorax dark brown ; abdomen orange-yellow banded with black, 



Proc. Zool. Soc— 1890, No. XXXIV. 34 



