NOCTURNAL LEPIDOPTERA FOUND IN CANADA. 259 



fascia ; wings fuscous, partly wood-colour ; the margin of the reniform 

 spot black ; the transverse oblique undulating lines also black. Ante- 

 rior wings with a broad interrupted pale fawn-colour marginal fascia. 



I/«5.— Orillia, (Mr. Bush)." 



The following species is found in the United States, and many- 

 occur in Canada : — 



13. H. LTNEOSA, Walk.— C. B. M. Noct. xiii. 1056. 



"Male. Fawn-colour, cinereous beneath. Thorax with a black 

 band in front, and with a black mark on each of the tegulae. Abdomen 

 cinereous. Fore-wings with alternate oblique black and pale fawn- 

 coloured bands from the base to beyond the middle, from whence to 

 the tips the pale hue is only interrupted by slender parallel undulating 

 bands, which enclose between them a black glaucous -flecked costal 

 patch ; a row of black marginal dots. Hind wings much like the fore 

 wings, but wholly pale towards the base, and with a slight exterior 

 glaucous band. Length of the body 7 lines ; of the wings 20 lines. 



Sab. — United States." 



Gen. 4. Ypsia, Guen. 



Body stout. Antennae more than half the length of the body. 

 Palpi ascending, compressed; third joint rather less than half the 

 length of the second, obtuse, cylindrical. Proboscis moderate. Tho- 

 rax quadrate, with hairy tegulse, divergent at the tips. Antennae 

 and abdomen as in Homoptera. "Wings rather broad, slightly denticu- 

 lated : anterior almost rectangular at the tips, with the subterminal 

 line continuous, and not forming two arcs. 



Larva elongate, moniliform, without protuberances; feet all equal; 

 head rather robust. Pupa not efflorescent. 



1. Y. ^RVGTNosA, du^w.—Noct. iii. 17. pi. 18. Walk. C. B. M., 

 Noct. xiii. 1074. 

 Wings deep blackish -brown, with a common reddish -gray or clear 

 violet ambiguous band, traversed by three lines, of which the interme- 

 diate is most marked and blackest. Extrabasal slightly marked, and 

 followed by a band of clear green atoms, marked by a black dot in the 

 cell. A group of similar atoms instead of the ordinary spot?, the 

 middle one of which is sometimes marked by a black dot. Terminal 

 space of the same general colour as the rest of the wing, but thickly 



