on 
Pyralidina of the Hawaiian Islands. 229 
posteriorly somewhat dilated, costa anteriorly slightly arched, apex 
obtuse, hind margin obliquely rounded; pale fuscous, irregularly 
mixed with whitish-ochreous, yellowish, and blackish; an irregular 
obscure whitish line from one-third of costa to two-fifths of inner 
margin, rather angulated in middle; a similar more strongly 
angulated line from four-fifths of costa to inner margin before 
anal angle; a small irregular suffused. dark fuscous spot in disc 
beyond middle; cilia mixed with ochreous-whitish and dark 
fuscous (imperfect). Hind wings in male white, faintly ochreous- 
tinged, with a blackish blotch occupying apical third; in female 
dark fuscous, with a whitish suffusion towards middle of disc and 
base of costa ; costa in male with longitudinal pencil of yellowish 
hairs in groove; inner-marginal lobe in male strong, hollowed, 
terminating in two tufts of black scales; cilia white, with a 
blackish line, in male round apex only. 
Six specimens. There is not the least doubt as to the 
specific identity of the sexes, referred by Butler to 
separate families. 
27. Mestolobes semiochrea, Butl. 
Mestolobes semiochrea, Butl., Trans. Ent. Soc. Lond., 
1882, 39. 
3,13mm. Abdomen whitish-ochreous. Legs whitish-ochreous, 
anterior pair banded with dark fuscous, posterior tibia with an 
obliquely erect tuft of coarse black scales from above near base. 
Fore wings oblong, posteriorly somewhat dilated, costa anteriorly 
slightly arched, apex obtuse, hind margin obliquely rounded ; 
whitish-ochreous, sprinkled with fuscous, suffused with ochreous- 
fuscous except on basal third and a small costal blotch before 
second line; lines obscure, whitish-ochreous, darker-margined, 
first from two-fifths of costa to middle of inner margin, almost 
straight, anterior edge marked with blackish, second from four- 
fifths of costa to inner margin before anal angle, upper two-thirds 
moderately curved outwards; cilia whitish-ochreous mixed with 
fuscous, with a cloudy darker fuscous line (imperfect). Hind 
wings ochreous-yellow ; a narrow dark fuscous streak along upper 
half of hind margin; costa without hair-pencil; inner-marginal 
lobe short, hairy; cilia’ pale yellowish, on upper _ of hind 
margin with a basal grey line. 
Two specimens. 
