412 NOCTUID^, 



b. Fore wing with the orbicular and reniform not 

 definod billow by dark streaks. 

 a^. Fore wing with more or less prominent small 

 dentate black or brown spots before subterminal 

 line, 

 fl*. Hind wing suffused with brown. 



o^. Fore wing with two prominent dentate black 



spots before middle of subterminal lino munda. 



P. Fore wing without prominent dentate black 

 spots before middle of subterminal line. 

 «''. Fore wing with brown shade beyond 



middle of subterminal line lizetta. 



i*. Fore wing without brown shade beyond 



middle of subterminal line poptdeti. 



b~. Hind wing white miniosa, 



i\ Fore wing without dentate dark marks before sub- 

 terminal line. 

 a?. Fore wing with the ante- and postmedial lines 

 present, 

 a'. Fore wing with the subterminal line present. 



«*. Fore wing whitish suffused with ferruginous, fei-rigera. 

 b*. Fore wing suffused with red-brown. 



a^. Fore wing with the subterminal line pro- 

 minent, pale. 

 a*^. Fore wing with the postmedial area not 



darker than ground-colour stabllis. 



h^. Fore wing with the postmedial area 



darker than ground-colour stenoptera. 



b"". Fore wing with the subterminal line indis- 

 tinct. 

 «s. Fore wing with the ante- and postmedial 



lines not reduced to series of black points, rubrescens. 

 b^. Fore wing with the ante- and postmedial 

 lines reduced to series of black points. 

 a?. Fore wing with the reniform con- 

 stricted at middle cruda. 



v. Fore wing with the i-eniform not con- 

 stricted at middle. 

 a'*. Fore wing with the subterminal line 

 slightly defined by brown on inner 



side fausta. 



h^. Fore iving with the subterminal line 



not defined by brown on inner side. Jlaviunnula. 



c*. Fore wing grey-brown amiulimacida. 



6'. Fore wing with the subterminal line absent ... addenda. 

 6*. Fore wing with the ante- and postmedial lines 

 absent. 



o?. Fore wing fulvous with pale discoidal spot carminata. 



b^. Fore wing purple-red without discoidal spot ... mys. 



1737, Moiiima porosa. 



Orthosia porosa, Ev. Bull. Mosc. 1854, iii. p. 18G ; Herr.-Schaff. Neue 

 Schmett. f. 13 ; Stand. Cat. Lep. pal. p. 201. 



Head, thorax, and abdomen dark brown mixed with grey ; tarsi 

 black with white rings. Fore wing grey thickly irrorated and in 

 places suffused with dark brown ; tlie subbasal line represented by 

 a black striga from costa and a rather triangular spot below cell ; 

 the antemedial line grey detined by black marks on iuucr side, 



