100 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 
colored; on the fold is a longitudinal row of three deep black 
lines and at the end of the cell is a pure white dot edged by 
short black dashes; around apical and terminal edge is a series 
of short black streaks. Cilia white. Hindwings dark gray with 
the anal area yellow and cilia yellow. Abdomen light golden 
yellow except the upper side of the first joint, which is gray. 
Legs white with well marked black tarsal annulations and with 
posterior tibie yellow. 
Alar expanse: 22-26 mm. 
Habitat—San Diego, California, June, July. W. S. Wright, 
coll. 
U.S. N. M. Type No. 15,612. 
Closely related and very similar in pattern to Hthmia arcto- 
staphylella Walsingham and Hthmia obscurella Beutenmuller, 
but much lighter than these species in color. 
Semioscopis acertella new species 
Labial palpi black with the tips of both joints and a sprink- 
ling on second joint white. Head and thorax brownish fuscous. 
Forewings with the groundcolor bluish-white but so heavily 
overlaid with dark brownish fuscous that the white only ap- 
pears in irregular longitudinal thin lines; the brown faintly 
outlines the venation and is mixed with black scales, also ar- 
ranged in illdefined and interrupted longitudinal lines; on the 
middle of the cell is a broader white longitudinal line, edged 
above and below and broken in the middle by short deep black 
lines; on the middle of the fold is a short black longitudinal 
streak. The effect to the unaided eye is a pepper and salt 
coloration with a narrow white central streak on the cell. 
Hindwing dark fuscous with whitish area. Abdomen yellow- 
ish fuscous. Legs black with yellowish annulations on tibie and 
tarsi. 
Alar expanse: 16-19 mm. 
Habitat—San Diego, California, November. W. 8. Wright, 
coll. 
U. SN. M. Type No. 15,613. 
