496 MR. H. DKUCE ON LEPIDOl TERA FROM [JuDC 17, 



anus white ; the legs brownish white ; the antennae pale brown, 

 yellowish at the tips. Expanse Ig inch. 



Hab. Amazons, Ceara (Ji((s. Druce). 



A specimen of this beautiful little insect is in the National 

 collection from San Paulo, Brazil. 



Idalus lemba, sp. n. 



Primaries : the basal half, and along the costal margin to the apex, 

 pale brownish fawn-colour, the outer half whitish hyaline ; second- 

 aries white. The head, thorax, and tegulee fawn-colour ; the collar 

 and base of the tegulae white ; the abdomen above bright red, 

 the underside of the abdomen white ; the palpi, antennae, and legs 

 brownish white. Expanse 1| inch. 



Bab. Amazons, Para {Mas. Druce). 



Idalus laeissa, sp. n. (Plate XLII. fig, 5.) 



Primaries pure hyaline white ; the costal margin from the base to 

 the apex and from the base to the anal angle pale brown ; the inner 

 margin from the base to about the middle white, with a small red 

 streak nearest the base. Secondaries rose-carmine, the costal, outer, 

 and inner margin white, the fringe white. The head, thorax, and 

 tegulse white shaded with pink ; the abdomen above bright rose- 

 carmine, the underside and two dots at the base white ; the antennae 

 and fore legs pale brown, the other legs all white. Expanse l-j^^ inch. 



Hab. Amazons, Sautarem(iV/as. Bruce). 



Idalus latinia, sp. n. (Plate XLII. fig. 6.) 



Primaries red shaded with grey ; three V-shaped yellow marks 

 along the costal margin, the outer margin and a round-shaped mark 

 above the anal angle pale primrose-yellow, two yellow dots on the 

 inner margin ; near the base a band of very distinct red spots crosses 

 the wing about the middle, and the outer margin spotted with red; 

 the fringe yellow. Secondaries pale reddish yeUow. The head, thorax, 

 and upperside of the abdomen red ; the underside and the legs reddish 

 yellow ; the collar and base of the tegulae bright yellow ; antennae 

 yellowish brown. Expanse 1-pljj inch. 



Hab. British Guiana (iT/ws. Druce). 



Erchia, Walk. 



Erchia latera, sp. n. (Plate XLII. fig. 7.) 



Primaries black, crossed beyond the middle from the costal margin 

 to near the anal angle by a wide semihyaline white band crossed by 

 the black veins, the costal margin streaked from the base to near 

 the apex with bright blue ; a wide bright blue streak extends from 

 the base to the anal angle, but not quite reaching it : secondaries 

 black shot with bright blue. The head, thorax, and the abdomen dark 

 blue ; the undtTside of the abdomen white ; the antennae, palpi, aud 

 legs black. Expanse 1 £ inch. 



Hab. Ecuador (Bucklei/, Mas. Druce). 



A very beautiful insect, allied to E. por^ilniria, I'ram. 



