NORTH AMERICAN LEPIDOPTERA. 148 



4. Basal field all reddish basilaris. 



light ocher gray gilvibasella n. sp. 



5. '' all reddish ochreous 6. 



" not so .*. 7. 



6. hind wiugs light; middle field gray subtinctella. 



" dark fuscous; middle field ocher reddish....rubri!«>|>arsella. 



7. Red baud before basal line and after outer line ; discal spots distinct. 



oralis. 



Washed with red along inner margin; no discal spots pergratialis. 



A quadrate reddish spot along costa beyond basal line f tiriiirella. 



8. Costa lighter than the unicolorous rest of the wing scobiella. 



" not lighter 9. 



9. Lines generally indistinct; fore wings nearly unicolorous gray. 



rhypodella. 

 distinct 10. 



10. Fore wings even brown hypochalciella. 



not " 11. 



11. Outer line deep angled at 2 and 6: basal shading narrow ra!<»cioIalis. 



slightly sinuous ; basal shading heavy black. .crassilasciella. 



1. N. pergratialis Hulst, Trans. Am. Ento. Soc. xiii, 162, 1886. 

 Urotella Rag., Diag. N. A. Phyc. p. 6, 1887. 



Expands 28 mm. Palpi, head and antennae dark brown ; thorax brown, with 

 a maroon shading. Abdomen fuscous; fore wings cinereous over anterior por- 

 tion, becoming reddish fuscous on posterior portion ; the inner line indistinct, 

 but its outer shading of black prominent; outer line near margin finely dentate, 

 edged on both sides with black, especially to be noticed near apex : a subterminal 

 cinereous dentate line and a marginal row of black spots ; fringe fuscous, scales 

 white at ends; hind wings dark fuscous; beneath fore wings dark fuscous, hind 

 wings fuscous. 



Florida. 



2. 9i. seobiella Grt., N. A. Ento. i, 51, 1880. 

 decimerdla Hulst, Ento. Am. iv, 117, 1888 {Lipographis). 



Expands 26 ram. Palpi, collar and thorax gray, stained with fuscous; head 

 somewhat whiter ; abdomen light ochreous gray, almost yellowish at middle; 

 fore wings lead-gray, broadly whitish along costa nearly to apex, whitish with a 

 reddish .shade along inner margin ; fringes whitish, hind wings dark fuscous, 

 fringes lighter. There is considerable variation in the different specimen.s, some 

 having generally a reddish tone, others being more inclined to clear gray. 



Texas, New Mexico. 



3. IV. fiirfiirella Hulst, Ento. Am. iii, 131, 1887. — Expands 22 mm. Head, 

 thorax and fore wings smoky blue-gray. Abdomen yellowish fuscous; fore wiugs 

 with a black spot along inner margin, one-third from base, with a subobsolete 

 russet baud, extending from this towards costa, but not reaching beyond middle, 

 when apparent. Hind wiugs fuscous, lighter basally. Beneath fuscous, darkest 

 along costa of fore wings. 



Florida, Texas. 



