194 NOCTTJID^. 



slight dark streaks. Hind wing fuscous brown ; the cilia with 

 ochreous line at base ; the underside paler, with slight discoidal 

 point. 



Hah. Hawaii, Kilauea {Perkins), 1 c? type. Exp. 42 millim. 



Sect. IV. (Etixoa). Antennaa of male strongly serrate and fasciculate. 



A. Fore wing narrow, the costa somewhat concave. 



a. Fore wing without dentate black marks before the 



subterminal line vilsoni. 



b. Fore wing with dentate black marks before the sub- 



terminal line lacunosa. 



B. Fore wing broader, the costa more arched. 



a. Fore wing with veins 3, 4, (i, 7 defined by pale 



streaks strongly indenting the subterminal line. 



a}. Hind wing white, the terminal area sometimes 



suffused with brown, especially in female ; fore 



wing pale. 



«-. Fore wing with the stigmata and submedian fascia 



clear yellow cicatincosa. 



b"^. Fore wing with the stigmata and submedian fascia 

 ochreous white. 

 a^. Fore wing with the orbicidar elongate and con- 

 fluent with the i-eniform. 

 «*. TeguliB without medial black line ; fore wing 



with the cell suffused with rufous subs]pin'ifera. 



b*. Tegulae with medial black line ; fore wing with 



the cell suffusad with black insertans. 



b^. Forewingwith the orbicular somewhat V-shaped, 

 open above. 



a'. Fore wing tinged with rufous neomexicana. 



h^. Fore wing not tinged with rufous recula. 



c''. Fore wing with the orbicular oblong. 

 a'*. Head, thorax, and fore wing tinged with reddish 



brown secjregata. 



i*. Head, thorax, and fore wing tinged with fuscous. 

 «.'. Fore wing with the orbicular elongate, oblong, brevij^r/imis. 



6\ Fore wing with the orbicular short latificans. 



d^. Fore wing with the orbicular rounded, entire. 

 a*'. Tegulse with the basal half ochreous or grey. 

 a'. Hind wing with terminal dark line and 



slight shade ^jzi^i'owfs. 



b^. Hind wing with the terminal area suffused 



with brown quadridentata. 



b*. Tegulse concolorous nlveilmca. 



b^. Hind wing wholly suffused with brown. 

 a^. Fore wing with the orbicular narrow, oblique. 

 a^. Fore wing with the cell suffused with black ... oblonghtigma. 

 b'^. Fore wing with the cell not suffused with black. 



a"-. Thorax with prominent white band oHvalis. 



6^ Thorax without white band -plagigcra. 



b-. Fore wing with the orbicular rounded, entire. 



c(?. Fore wing with the markings white ridhigsiana. 



b^. Fore wing with the markings ochreous white... fiavidens. 



b. Fore wing with veins 3, 4, 6, 7 not defined by 

 whitish indenting the subterminal line. 

 a}. Fore wing with the cell not filled in with black. 

 a^. Fore wing without medial shade. 

 u^. Tegulaa with prominent black medial line or 

 shade. 



