EROSIA. 127 
~ A common insect in the southern part of our region. It varies considerably in colour 
and size. We figure a pair from the Volcan de Chiriqui. 
8. Erosia acalis. 
Nedusia acalis, Feld. & Rogenh. Reise der Novara, Lep. t. 128. fig. 25’. 
Hab. Guatemata, Panima, Sinanja, and Sabo in Vera Paz ( Champion) ; Costa Rica, 
Caché, Volcan de Irazu 6000 to 7000 feet (Rogers); Panama, Chiriqui (Aibbe, mm mus. 
Staudinger), Volcan de Chiriqui 2000 to 3000 feet (Champion).—CoLomBIA, Bogota ?. 
This species varies from almost white to pale fawn-colour. We have received a large 
series from Chiriqui. The females are generally darker than the males. 
9. Erosia omana, sp.n. (Tab. LIII. fig. 5, ¢ .) 
Male. Primaries and secondaries pale brown, slightly irrorated with darker scales at the base; the primaries 
crossed from the apex to the inner margin by a narrow reddish-brown line, a narrow brown line crossing 
from the costal margin and joining the other line below the apex; the secondaries crossed about the 
middle by a narrow brown line, the outer margin thickly irrorated with very fine greyish lines; the fringe 
brown; the underside pale brown: head, thorax, abdomen, antenne, and legs pale brown. Expanse 
1 inch. 
Hab. Mexico, Paso de San Juan in Vera Cruz (coll. Schaus); GuatEMaLA, Cahabon 
in Vera Paz (Champion); Panama, Chiriqui (ibe, m mus. Staudinger), Panama city 
(J. J. Walker). 
Four specimens. 
10. Erosia cassera, sp.n. (Tab. LIII. figg. 6,3; 7,2). 
Male. Primaries and secondaries dark brown, irrorated with grey and black scales ; the primaries crossed from 
the costal to the inner margin by three indistinct waved brown lines—the first near the base, the second 
near the middle, and the third just beyond the cell; the secondaries crossed about the middle from the 
costal to the inner margin by two dark brown lines; the fringe dark brown ; the underside pale brown, 
the costal margin and the apex of the primaries yellowish-brown, thickly streaked with fine dark brown 
lines: head, thorax, and abdomen dark brown, the antenne and legs brown.— Female slightly paler in 
colour. Expanse, ¢ 14, 2 1 inch. 
Hab. Cosva Rica, Volcan de Irazu 6000 to 7000 feet (Rogers). 
A very distinct species allied to E. incisaria, Walk. ‘Two males and one female. 
11. Erosia (2) carilla, sp. n. (Tab. LIII. fig. 8, ¢ .) 
Male. Primaries pale brown, crossed from about the middle of the costal margin by two fine brown lines 
forming an elongated V-shaped marking; secondaries pale chrome-yellow, brownish at the base; the 
underside as above, but without markings: head, thorax, abdomen, antennex, and legs brown. Expanse. 
13 inch. 
Hab. Guaremata, Cerro Zunil 4000 feet (Champion). 
One specimen. 
12. Erosia ocalea, sp. n. (Tab. LIII. fig. 9, 2 .) 
Female. Primaries and secondaries pale brown, irrorated with dark brown and grey scales, the costal margin 
