100 JOXJENAL 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 tibiae 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 Ethmia arcto- 

 stapliylella Walsingham and Ethmia ohscurella 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 irregi;lar 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 j^ellowish annulations on tibiae and 

 tarsi. 



Alar expanse : 16-19 mm. 



Habitat — San Diego, California, November. W. S. Wright, 

 coll. 



V. S. N. M. Type No. 15,613. 



