1883.] zyg^nidjE and arctiid^. 373 



the cell and one below nearer the base ; secondaries hyaline, the 

 outer and inner margin broadly black : head and thorax black ; 

 abdomen bright greenish blue, the base and sides of abdomen 

 white ; legs black ; antennae black. 



Expanse 1| inch. 



Eab. Ecuador, Sarayacu {Buckley) ; Colombia, Antioqua {Sal- 

 mon). 



A beautiful species, allied to E. salmoni. The specimens from 

 Antioqua are rather more highly coloured than the type. 



Calonotos, Hiibner. 

 Calonotos sandion, n. sp. 



"Wings hyaline ; primaries — the costal apex, outer and inner margins 

 broadly black; a wide black band crossing the wing from the costal 

 margin to near the anal angle ; the veins all black : secondaries 

 black, the base and a small spot near the apex hyaline : head, 

 antennae, and thorax black; abdomen greenish black, the sides 

 greenish white ; legs black. 



Expanse 2 inches. 



Hab. Colombia, Ecuador, Sarayacu {Buckley). 



Of this fine species I have only received a single specimen ; it is 

 allied to C. almon, Cramer. 



Calonotos flavicornis, n. sp. (Plate XXXIX. fig. 3.) 



Wings black ; primaries crossed by two hyaline bands, the first 

 about the middle, the second beyond nearer the apex, the nerves all 

 black ; secondaries hyahne, the inner and outer margins broadly 

 black : head and thorax black ; abdomen bright greenish blue ; 

 legs black ; antennae pale chrome-yellow. 



Expanse 2 inches. 



Hab. Colombia, Antioqua {Salmon). 



A beautiful species, easily distinguished from all others by its pale 

 yellow antenuse. I have also specimens of it from Ecuador sent by 

 Mr. Buckley. 



IsANTHRENE, Hiibner. 

 Isanthrene eusebia, n. sp. 



"Wings hyaline ; primaries shaded with rich orange-yellow at the 

 base and along the costal and inner margins, the outer margin and 

 veins black, widened at the apex into a black spot ; secondaries with 

 the outer margin slightly black, widest at the anal angle : body 

 yellow, banded with bluish black, the bands almost divided in the 

 middle, forming spots ; antennae black, slightly yellowish at the 

 tips ; legs yellow. 



Expanse 1^ inch. 



Hab. Ecuador, Sarayacu {Buckley). 



This beautiful species comes nearest Isanthrene crabonifonnis, 

 Staudinger. 



