1164 CATALOGUE OF 



8. Drepana arcuata. 



Mas. Pallide testacea ; alee anticee valde falcata, strigis obliquis 

 costalibus, fasciis duabus angulosis basalibus, guttis duabus 

 discalibus fasciisque tribus exterioribus fuscis ; posticee fas- 

 ciis nonnullis undulosis subobsoletis fulvis guttisque duabus 

 discalibus fuscis. 



Male. Pale testaceous. Antennae with brown branches. Fore 

 wings very falcate, with brown oblique streaks along the costa ; 

 with two slender zigzag brown bands near the base, with two dark 

 brown discal dots, and with three exterior brown bands ; the tirst 

 and the third of the latter slight and undulating; the second 

 darker, more distinct and nearly straight, ending at the tip of the 

 wing, which is pale brown in front and gray behind, excepting the 

 extreme tip, which is wholly dark brown. Hind wings with several 

 indistinct tawny undulating bands, and with two minute brown dis- 

 cal dots. Length of the body 4 lines ; of the wings 15 lines. 



This species closely resembles D.falcataria in form and colour 

 and markings, but may be distinguished by its more falcate fore 

 wings, by the more oblique second exterior band, by the less 

 numerous and less distinct bands of the hind wings, and by other 

 differences. 



a. Nova Scotia. From Lieut. Redman's collection. 



The two following species differ from the European groups of 

 Drepana by the outline of their fore wings, which are convex in the 

 middle of the exterior border. 



9. Drepana rosea. 



Mas. Sordide rosea ; caput Icete roseum ; alee basi ex parte flavce 

 fasciaque obliqua subundulosa flava in posticis dilatata, anticce 

 apud costam subrecta, apice subfalcatce. 



Male. Pale dull rose-colour. Head bright rose-colour. An- 

 tennae with rather short and thick-set branches. Hind tibiae with 

 the apical spurs rather long. Wings partly yellow towards the 

 base, with a yellow oblique and slightly undulating band, which in 

 the hind wings is dilated, and occupies the whole apical half of the 

 wing, with the exception of a spot in front of the exterior border. 

 Fore wings nearly straight along the costa, slightly falcate at the 

 tips ; exterior border undulating, convex in the middle ; third 



