March, 1903.] BUSCK : NOTES ON YPONOMEUTID.t. 57 



Harpipteryx frustella irci/siii^ha/n. 



Cerostoma frustdla Walsingham, I'roc. /oul. Soc. London, p. 309, pi. XXXV, 

 12, 18S1. 



Periclymenobitis frustellus RlLEV, Smith's List Lep. Bor. Am., No. 5203, 1S91. 

 Periclymenobius frtistellus DvAR, Bull. U. S. Nat. Miis., 52, No. 5487, 1903. 



Cotypes received from Lord Walsingham are in U. S. National 

 Museum. 



Hahitat : California. 



Trachoma Walleni:;reu. 



f'orewings elongate, apex slightly produced, teimen more or less sinuated, 

 tornus rounded ; with erect scale tufts ; 12 veins, 7 and 8 stalked or separate, 2 and 

 3 separate. Labial palpi with large dense projecting tuft, longer than terminal joint. 

 Ma.xillary palpi moderate. (J)celli present. 



Type : asperella, Linne. To this genus belong the following 

 European species : persicella Fabricius, asperella Linne, falculella 

 Erschoff, scahrella Linne and liorridella Treitscke. 



The American species at present known may be separated thus : 



Forewings with short oblique white streak at the end of tlie cell senex Wah. 



Forewings without such streak I 



I. General color of forewings brownish falciferella Wals. 



General color of forewings grayish walsinghamiella, sp. nov. 



Trachoma falciferella Walsingham. 



Ccroiloma fahiferella WALSINGHAM, Proc. Zool. Soc. London, p. 307, pi. 

 XXXV, fig. 7, 1881. 



Trachoma falciferella RiLEY, Smith's List Lep. Bor. Am., No. 5201, 1891. 

 Trachoma falciferella Dyar, Bull. U. S. Nat. Mus., 52, No. 5491, I903. 



Cotypes of the species from California, received from Lord Wal- 

 singham are in the U. S. National Museum. Lord Walsingham also 

 recorded this species from Oregon. 



Trachoma walsinghamiella, sp. nov. 



Cerostoma instabilella Walsingham (nee Mann), Proc. Zool. Soc. London, p. 

 306, 1882. 



Trachoma instabilella RiLEY, Smith's List. Lep. Bor. Am., No. 5200, 1891. 



Trachoma instabilella Dyar, Bull. U. S. Nat. Mus., 52, No. 5490, 1903. 



Antennae whitish, sharply annulated with black. Labial palpi with tuft on sec- 

 ond joint very long, more than twice as long as terminal joint, porrected, whitish, 

 thickly mottled with black. Face and head whitish-gray with a few black scales ; 

 thorax light iron gray with a central longitudinal darker, blackish line. Fore- 

 wings light bluish-gray, overlaid with white, light ochreous, dark gray and black 

 scales. The dark and light scales are so arranged in narrow longitudinal undefined 



