OF WASHINGTON. 87 



scales on second joint and in the tuft; terminal joint dark. Head and' 

 thorax dark brown. Basal half of fore wings ochreous brown, very 

 sparsely sprinkled with white scales; in this brown part is a narrow 

 oblique fascia of bluish metallic scales from basal third of costa to the 

 middle of the dorsal edge; this fascia is joined in the middle of the 

 wing by another bluish metallic streak from the middle of costa and 

 together they form a perfect though not very distinct Y. Just beyond 

 the middle of the wing the basal unspeckled part is rather sharply 

 terminated and the rest of the wing is profusely speckled with ochreous 

 white. At tornus is a large, deep-black, elongate quadrangular spot, 

 divided in the middle by a narrow perpendicular ochreous-brown line ; 

 the basal part of the spot contains a large center of bluish metallic 

 scales, and the apical part contains a perpendicular line of such scales. 

 The nearly unspeckled extreme apical part of the wing is rich olive- 

 brown, with a thin line of bluish metallic scales along the edge of the 

 wing from near costa to the tornal spot. Cilia dark olive-brown, dotted 

 with white scales. Hind wings white, with tip and edges dark fuscous ; 

 cilia dark fuscous, with an indistinct whitish line parallel with the edge 

 of the wing. Abdomen dark fuscous above, each joint tipped with 

 lighter ochreous and silvery scales. Underside of body and legs pro 

 fusely sprinkled with white scales; spurs white; tarsi annulated with 

 ochreous white. 



Alar expanse, 9.5-10 mm. 



Las Vegas, New Mexico (Schaus). 



Type. No. 9888, U. S. National Museum. 



Nearest Choreutis occidentella Dyar and very similar in 

 ornamentation, differing in the smaller size, in the absence of 

 the indistinct whitish fascia at basal third, and in the white 

 hind wings. I have specimens of this species from Jalapa, 

 Mexico, and from Mr. Schaus's collection. It gives me pleas 

 ure to dedicate this species to Mr. William Schaus, whose 

 extensive collections of American Microlepidoptera, so liber 

 ally donated to the U. S. National Museum, will be subjects 

 for study for a long time to come. 



Pliniaca, n. gen. 



Antennae one-half times as long as the fore wings. Upper and an 

 terior sides covered with scales, underside with a short pubescence ; basal 

 joint with pecten. Labial palpi short, ascending; second joint shortly 

 tufted beneath ; terminal joint pointed. Maxillary palpi obsolete. Tongue 

 very long. Head roughened, face with loosely appressed scales. Fore 

 wings three times as long as wide, obtusely pointed; 12 veins, all sepa 

 rate; vein 7 to termen; 2 and 3 distant; 3, 4, and 5 approximate; sec 

 ondary cell bearing veins 8, 9, and 10 ; internal vein to between 6 and 7. 

 I b furcate at base; membrane at costal edge between veins 9 and 12 



