OF WASHINGTON. 319 



duced to a series of oblique dashes above tubercle iii. These lines are 

 pale, faintly traceable, the upper border of the substigmatal pale, bent 

 down at the spiracles, the band itself obscure, defined, but scarcely paler 

 than the subventral area, and not contrasting. Spiracles and feet blackish ; 

 tubercles in blackish areas; setae minute. 



" Found under wood." Dept. Agriculture, No. 2571. 



12. Mamestra detracta Walker. 



Head 3 mm . brown, shining, the bands and reticulations darker brown ; 

 vertical band faint below, ocellar band narrow. Cervical shield shining 

 dark brown, divided by yellowish dorsal and subdorsal lines; anal plate 

 brownish with central pale line. Body pale yellowish, finely marbled 

 with red-brown; dorsal line nearly obsolete except anteriorly; subdorsal 

 line more distinct, yellowish; below it the marblings are more dense. 

 Feet pale, spiracles black ringed; tubercles and setae minute. 



" Found on leaf buds and at, foot of hickory tree." Dept. of Agricul 

 ture, No. 3358. 



13. Mamestra rubefacta Morrison. 



Head 3 mm., shining brown, marked as in M. detracta. Cervical shield 

 shining brown, divided by a central line and marked with pale on the 

 lateral margins ; anal plate brownish with central pale line. Bodv densely 

 marbled with brown; dorsal line straight, narrow, distinct, slightly yel 

 lowish, more or less distinctly bordered by a diffuse dark shade. Sub 

 stigmatal line broad, enclosing the spiracles, paler than the body but only 

 slightly contrasted, the mottlings above it darker. Spiracles black ringed ; 

 tubercles brown, cornified ; setae distinct, pale. Feet pale. 



Food plant not stated Dept. of Agriculture, No. 2500. 



14. Mamestra quadrilineata Grote. 



Head 2 mm., brown, the reticulations darker- , but broken ; vertical band 

 irregular, narrowed, a large patch behind vertex; surface dull, not shin 

 ing. Body dark sordid brown, marks all obscured; a series of lateral 

 darker patches below the pale, narrow, obscure, subdorsal line. The skin 

 is densely roughened, granular, the tubercles somewhat enlarged, tubercle 

 ii of joints 12 and 13 produced into distinct prominences with conical sec 

 ondary spines. Setae coarse, moderately long. Feet brown, concolorous 

 with the body. Cervical shield and anal plate like the rest of the body, 

 roughened. 



Food plant not stated. Los Angeles Co., Cal. A. Koebele, No. 119. 



15. Mamestra quadrata Smith. 



Head about as high as wide, slightly bilobed, the area around clypeus 

 and vertical dark bands somewhat translucent and poorly pigmented; 

 reticulation brown, distinct on a pale ground ; width 2.5 mm. Body sordid 

 pale brownish, the lines mostly obscured by the fine, diffuse, dark brown 

 reticulations. Dorsal line discernible, pale, most evident on the posterior 

 parts of the segments, cutting the cervical shield. Oblique blackish sub- 



