86 INSECUTOR INSCITI^ MENSTRUUS 



such a brown green-mottled area covers the base of the wing, 

 a similar poorly defined large area is found on the cell and a 

 third occupies the greater part of apical third of the wing 

 except the extreme apex and a spot near tornus ; a black second 

 discal spot and a series of black costal spots ; the remaining 

 parts of the ground color is mottled with small irregular black 

 and brown dots and streaks. Cilia yellowish with seven or 

 eight heavy black pencils. Hindwings dark brown with yel- 

 lowish cilia. Abdomen light brown with whitish underside. 

 Legs light ochreous with dusky tarsal joints. 



Alar expanse: 23-26 mm. 



Habitat: Cayuga, Guatemala (W. Schaus). 



U. S. N. M., Type No. 22310. 



Hysterosia turialba, new species. 



Labial palpi creamy white. Face, head and thorax creamy 

 yellowish white. Forewings light ochreous fuscous with a 

 strong iridescent sheen; costal edge darker fuscous with short 

 dark brown streaks on basal half ; at apical third is a large 

 white ill-defined costal spot surrounding a blackish brown 

 costal spot ; at the end of the cell is a nearly circular creamy 

 yellow spot ; edged with black exteriorly ; on the middle of the 

 cell is a small black tuft of raised scales with a dark brown 

 curved streak above and a reddish brown dot below on the 

 fold ; from apical fourth of costa to just above tornus runs an 

 irregular transverse dark fuscous fascia, widest on the middle 

 and edge basally with yellowish white at tornus is a curved 

 rust-red streak and at apex are three rust-red spots edged with 

 silvery white. Upperside of hindwings uniform light fuscous, 

 underside irrorated with numerous broken transverse whitish 

 lines. Abdomen dark fuscous lighter on the underside. Legs 

 yellowish white with indistinct dusky tarsal annulations. 



Alar expanse : 26-27 mm. 



Habitat: Juan Vinas, Costa Rica, February (William 

 Schaus). 



U. S. N. M., Type No. 22306. 



The forewings have vein 2 obsolete, but otherwise the spe- 

 cies conforms with the other species of the genus. 



