154 GEO. D. HULST. 



most lacking just at end of basal field, along outer margin, and costally and cen- 

 ti-ally on the middle field. On either side of the basal cross line there are more 

 or less black scales. A faint fuscous marginal line. Hind wings fuscous, rather 

 yellowish, fuscous margined outwardly. Beneath fuscous, smooth, somewhat 

 reddish on fore wings, lightening posteriorly on hind wings. 



Maine, Massachusetts. 



I have also a female from New Nexico which may be this species. 

 The specimens from Maine were bred from Willow, but under what 

 conditions I do not know. My reference, Ento. Am. v, 156, of 

 Neph. inqrdUnella Rag. is explained under that species. 



10. S. delassalis Hulst, Trans. Am. Ento. Soc. .xiii. 161, 1886 {Nephopteryx). 

 fernaldi Rag , Diag. N. A. Phyc. p. 9. 1887. 



Expands 24 mm. Palpi fuscous, reddish in front. Thorax reddish ochreous. 

 Abdomen fuscous; fore wings reddish ochreous, quite even; costa on outer half 

 narrowly white ; first line scarcely perceptible anteriorly, whitish ochreous pos- 

 teriorly with rather heavy black shadings; within and beyond these shadings 

 indistinct whitish ochreous spots ; outer line near margin evenly and strongly 

 curved outward ; hind wings fuscous outwardly, shading to light translucent 

 fuscous towards base; a dark marginal line present; beneath fore wings fuscous, 

 with a faint reddish tinge ; outer space a shade the lighter ; hind wings as above ; 

 fringes above light fuscous, darker at base ; light fuscous below. 



Nevada, Colorado, New Mexico. Arizona. Specimens from New 



Mexico were taken in August and Septend)er. 



11. S. bilasciella Hulst, Ento. Am. iii, 132, 1887 [ Nephopteryx).— Expands 

 20 mm. Head, thorax and fore wings light whitish gray, dusted with black. 

 Abdomen ocher fuscous. Fore wings with basal band of ground color, edged on 

 both sides with distinct black shadow lines once angled outwardly. Outer line 

 near margin of ground color, with narrow black shadow lines, especially distinct 

 at costa; the lines slightly bent. Marginal line of dentate black points. Hind 

 wings light yellowish fuscous, pellucid. Beneath fore wings light fuscous, hind 

 wings as above. 



Arizona. First week in July. 



This insect has the fore wings much more arched costally, and 

 they are more oval in outline than is usual in the genus. 



12. S. aliculella Hulst, Ento. Am. iii, 135, October, 1887 (Myelois). 

 oberthiteriella Eag.. Diag. N. A. Phyc. p. 9, December, 1887. 



Expands 21 — 23 mm. Labial palpi gray white in front, black at tip. Ma.xil- 

 lary palpi orange fuscous. Head gray. Thorax gray. Abdomen ocher fuscous 

 or fuscous. Fore wings white, heavily dusted with black scales, giving a gray 

 appearance. Base blackish. Basal line white, angulated outwardly, with a 

 heavy black marking outwardly at costa, sometimes extending on disc to discal 

 ring; within which a reddish band sometimes quite obsolete. A discal circle of 

 black quite large on middle field, this often very indistinct. Outer line white, 

 fine, angulated at middle, then curved to inner margin, lined finely with black 



