70 . NOCTtriDiE. 



termen, some wbiitish points beyond it on costa ; an indistinct 

 whitish subterminal line excnrved below vein 7 and at middle 

 and angled inwards in submedian fold ; a terminal series of 

 small triangular black spots with brownish marks beyond them ou 

 the cilia. Hind wing white faintly tinged with yellowish at base 

 and fuscous on terminal area, the veins brownish ; a series of 

 slight brown striae on termen; the underside slightly irrorated with 

 brown, a faint discoidal spot and postmedial line excurved to vein 4, 

 then incurved and with dark spot in submedian fold. 



Hah. Canada; U.^.A., Now York, Staten I., Evans Center {Grote), 

 1 (5 , 1 $ type, Distr. of Columbia, Washington, Illinois. Exp. 

 38 millim. 



Larva. Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. 116. 



Head greyish, with a brown band on the vertex of each lobe. 

 Body whitish green with an orange subdorsal line, running along 

 tubercle ii. ; tubercles i. and ii. black, distinct ; a double black bent 

 line on ioint 2 ; hairs single dorsally, multiple laterally. Tood- 

 plaut : Willow.— H. G. D. 



3645. Acronycta exilis. (Plate CXXIV. fig. 18.) 



Acronycta exilis, Grote, Proo. Ac. Nat. Sci. Phil. 1874, p. 197 ; Smith, 



Cat. Noct.N. Am. p. 44. 

 Acronycta modica. Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. 138 (part.). 



$ . Head and thorax grey-white, the vertex of head tinged with 

 rufous ; palpi white, the 2nd and 3rd joints with black bands ; 

 frons with black bar ; shoulders with black streaks ; tegiilae with 

 some blackish at middle ; tibiae slightly streaked with black, the 

 tarsi banded with black ; abdomen grey-white. Fore wing grey- 

 white with a faint olive tinge and slight black irroralion ; subbasal 

 line represented by double black strise from costa ; a slight black 

 streak in submedian fold from base to the antemedial line, which is 

 double, oblique, waved ; orbicular and reniform whitish, defined by 

 blackish, open above and below and with rufous centres, the former 

 large, somewhat oblique elliptical ; a black bar from costa to orbi- 

 cular and slight oblique line from lower angle of cell to inner 

 margin ; postmedial line double, oblique from costa to vein 6, 

 slightly angled inwards in discal fold and incurved below vein 3 ; 

 a slight black streak in submedian fold from it to termen and some 

 black points on costa ; an indistinct whitish subterminal line ex- 

 curved below vein 7 and at middle ; a terminal series of black 

 points defined by slight whitish lunules ; cilia with a dark line 

 through them. Hind wing greyish uniformly suffused with brown ; 

 cilia whitish with a slight brown line through them ; the underside 

 white irrorated with brown, a blackish discoidal spot, waved post- 

 medial line incurved below vein 4, and terminal series of slight 

 lunules. 



Hab. U.S.A., New York, Albany {Bailey), 2 $ type. Ea-j). 34 

 millim. 



