NORTH AMERICAN LEPIDOPTERA. 145 



rather broad and decided, aud curvatures in opposite direction ; both lines shaded 

 on both sides with black ; a blackish cloud in median space ending in black discal 

 spot; hind wings fuscous; beneath fuscous; the fore wings darker with white 

 spot near apex, showing beginning cff outer line. 



Nevada, British Columbia. 



The general appearance is very decidedly like an enlarged squa- 

 mose specimen of Dloryctria abietella. 



7. N. I'ubrisparsella Eag., Diag. N. A. Phyc. p. 6, 1887 (Pristophorn). 

 rufibaseUa Rag., N. A. Phyc. p. 7, 1887. 



croceella Hulst, Ento. Am. iv, 115, 1888 {Sciota}. 

 Expands 17—19 mm. Fore wings dirty yellowish ochreous, dusted with brick- 

 red, especially towards the inner margin and base ; cross lines pale, the first blac^k. 

 margined on both sides, nearly straight: the second sinuous, dentate, edged in- 

 ternally with black. Discal spots distinct. Thorax reddish, antennse yellowish, 

 in the curve black on each produced joint. Hind wings semi-ti'ansparent, pale 

 grayish ochreous. 



Texas'. 



8. IV. gilvibasella n. sp. — Expands 18 — 20 mm. Labial palpi light ochre- 

 ous gray ; antennse yellowish fuscous; head light ocher fuscous ; thorax rather 

 darker; abdomen yellowish fuscous, somewhat annulated with fuscous; fore 

 wings short, broad, arched on costa, subtriangular, angles distinct, color light 

 gray, washed over with fuscous, giving a general even fuscous appearance; base 

 to basal line light ocher gray ; lines very indistinct, the first noticeable only by 

 the darker outer shadnig, which is broad at costa, narrowing and becoming ob- 

 solete before reaching inner margin; outer line gray, faint, rounded at middle, 

 slightly dentate near outer margin ; not heavily shaded with dark fuscous within ; 

 a single discal spot, faint. Hind wings yellowish fuscous, darker on margin, the 

 wings somewhat falcate. 



Central Texas. 



9. X. basilaris Zell., Verh. zool.-bot. Ges. Wien 1872, p. 548 (Beit, i, 103). 

 pl. iii, fig. 23; Grote, N. A. Ento. i, 51, 1880. 



Labial palpi fuscous below, whitish at end ; front whitish ; anteunte fuscous 

 gray, tuft white ; summit of head, thorax and base of wings, reddish ocherous, 

 the inner margin of base somewhat blackened, basal line distinct, gray, rounded 

 in middle, dentate near inner margin, edged both sides with deep black ; middle 

 and outer fields nearly unicolorous gray; outer line faint, gray, showing sharp 

 dentations. Hind wings yellowish fuscous, darker on veins and on outer margin. 



Massachusetts, Texas, Colorado. 



10. ]V. iiiqiiiliiiella Eag.. Diag. N. A. Phyc. p. 88, 1887.— Expands 18-24 

 mm. Fore wings gray, posteriorly sutt'used with red, blackish on costa, cross 

 lines gray, ill-defined, the first slightly elbowed on median vein, indistinctly 

 black margined, preceded by a broad, straight, red band; second line sinuous, 

 much clouded witli reddish ; discal spots distinct. In galls of E. snJicis-vo(h(m. 



Wisconsin. 



TKANS. AM. ENT. SOC. XVII. (19) MAY, 1890. 



