new Species of Utter ocer a. 719 



Expanse 2 inclies. 



Bah. East Ecuador, Banos, Rio Pastaza, 5000-7000 feet 

 {Mus. Druce). 



Fam. LasiocampidaB. 

 Dirphia alha, sp. n. 



Male. — Head yellow, antennae black ; collar, tegulce, and 

 thorax grey ; abdomen white, the second segment from the 

 base and the anus bright yellow ; legs dark grey. Primaries 

 white, the veins brown ; a curved brown line from the costal 

 margin at the base extending to about the middle of the inner 

 margin ; a straight brown line crosses the wing from the 

 costal margin to the anal angle ; the apex and two-thirds of 

 the outer margin heavily clouded with blackish brown : 

 secondaries snow-white, the costal and outer margin edged 

 with brown, the fringe white. Underside of both wings 

 white, the veins and apex of the primaries blackish brown. 



Expanse 3 inches. 



Hab. E. Ecuador, Alpayacu, Rio Pastaza, 3600 feet [Mas. 

 Druce). 



Fam. NoctuidsB. 



Subfam. nABENiNJi. 



Polia albosiriata, sp. n. 



Female. — Head and antennae black; collar and thorax 

 clothed with red and grey hairs ; tegula3 white, edged with 

 red hairs ; abdomen greyish at the base, the anal segments 

 black ; the legs and underside of the thorax reddish brown. 

 Primaries black; a white ring in the cell, below which are 

 two white spots ; a submarginal row of elongated white 

 streaks extends from the apex to the anal angle ; the fringe 

 alternately black and white : secondaries pure white. Under- 

 side : primaries black, with the spots as above, but more 

 indistinct : secondaries greyish white. 



Expanse If inch. 



Hub. S. Peru, Acopampa, 11,500 feet (Mas. Druce). 



Subfam. Stictoptebin^. 



LopJioptera semirufa, sp. n. 



Male. — Head, collar, and thorax reddish brown ; antennae, 

 abdomen, and legs black. Primaries : the basal half of the 

 wing reddish brown, edged with a grey line crossing the 



48* 



