NORTH AMERICAN LEPIDOPTERA. 117 



1. M. bistriatella Hulst. Ento. Am. iii. p. 136, 1887 ( Dioryctria). —Ex-p^nda 

 IS mm. Head and thorax fuscous gray. Abdomen fuscous, the segments nar- 

 rowly black in front. Fore wings fuscous gray, or bhie fuscous gray. Base 

 ligliter anteriorly. Basal line straight, a little outwardly oblique, whitish, some- 

 what broad and diffuse, less distinct costally, pure white towards inner margin, 

 forming there a lengthened white spot ; it is shadowed outwardly by a broad 

 dark, fuscous band. The wing lightens beyond dl.sc, and reveals two black dis- 

 cal points one preceding the other, somewhat confluent. Outer line whitish, 

 sliglitly bent, subparallel with base, shadowed broadly, both sides with dark 

 fuscous. A row of black points on margin. Hind wings light fuscous; fuscous 

 at apex, with black marginal line. Beneath dirty fuscous on fore wings, apex 

 and anterior part of hind wings, otherwise very light. 



Washington, D. C, Fla. 



In this insect the costa is strongly arched, the angles well rounded. 

 ^Ir. Ragonot, in his Cat. N. A. Phycitidce, Ento. Am. v, 115, refers 

 thistis a synonym of Salebria tenebroselld Hulst, hut the reference is 

 heyond {)eradventure incorrect. 



2. M. subtetrieella Rag., Ento. Am. v, 113, 1889.— Expands 18—22 mm. 

 Fore wings elongate-oval, very narrow at base, strongly rounded on costa, dark 

 gray, much suffused with brownish, glossy; first line broad, oblique, straight, 

 gray, indistinct, edged outwardly by a shadowy blackish line ; second line hardly 

 l)erceptible, oblique, straight, very narrow, hardly paler than ground color. A 

 (lark spot, hardly distinct ou disc; hind wings transparent, whitish, smoked on 

 margin ; very near to tetricella F. 



North America ; exact locality unknown. 



3. 11. i in 111 III! (lei la n. sp.— Expands 20 — 21 mm. Labial palpi short, dark 

 gray, blackish at tip ; front gray ; antennae fuscous, annulated with gray. Thorax 

 dark gray, lighter across middle, darker behind. Abdomen fuscous ochreous ; 

 fore wings arched at costa, apex sharp, outer margin oblique, inner slightly 

 sinuate; color almost even, blackish gray; first line near base broad, distinct, 

 twice waved, edged outwardly with black; outer line narrow, distinct, close to 

 outer margin, starting from inner angle, dentate wavy, edges hardly darker. 

 Discal spots nearly obsolete : middle of middle field alo !g inner margin with a 

 darker, nearly black spot. Hind wiugs light translucent, veins and border 

 fuscous. 



Texas. 



4. M. biliiieatella Rag., Diag. N. A. Phyc. p. 3, 1887.— Expands 20 mm. 

 Fore wings short, costa strongly rounded, gray, washed with blackish, except in 

 median area; transverse lines distinct, whitish, the first nearly straight, the 

 second slightly oblique, with a short angle in the middle. Discal spots pretty 

 distinct. Hind wings yellowish. 



North America; exact locality unknown. 



5. M. zoiiuleila Rag.. Ento. Am. v, 113, 1889.— Expands 22 mm. Fore 

 wiugs hardly dilated posteriorly, pale blackish gray, darker in median area, lines 

 pale, edged with black, the first oblique, .straight, extending nearly to the middle 



