HYSSIA. 



285 



P.. Fore wing not tinged with violaceous. 



a^. Fore wing witli the orbicular not connected 

 with the reniform. 



a^. Fore with the reniform rufous fasciata. 



b^. Fore wing with the reniform grey with two 



white points on its lower extremity niveiguttata. 



b^. Fore wing with the orbicular connected with the 



reni form orhiculata. 



Fore wing with the ground-colour grey-white mascidina. 



1537. Hyssia cavernosa. 



Mamestm cavernosa, Ev. Bull. Mosc. 1842, iii. p. 547, pi. 5. f. 3 ; Staud. 



Cat. Lep. pal. p. 159. 

 Mamestra oniaia, Herr.-SchaflF. Eur. Schmett., Noct. ff. 46, 47 (1845). 



Head and thorax red-brown slightly mixed with grey-white ; 

 tegulse with dark medial line and whitish tips ; tarsi with white 

 rings ; abdomen ochreous. Fore wing violaceous grey, almost 

 entirely suffused with purple-brown except just before antemedial 

 line and on medial and postmedial areas ; an ochreous-white stripe 

 on inner area narrowing to points near base and termen, and with 



Fig. 61. — Hyssia cavernosa, (^ . 



a short black streak above its basal part ; subbasal line grey, nearly 

 straight, from costa to submedian fold ; antemedial line double, 

 filled in with grey, nearly straight, from costa to vein 1 ; claviform 

 large, black-browu defined by black ; orbicular and reniform black- 

 brown defined by black, the former small, round, the latter large, 

 with black lunule at centre and its lower part dilated ; an indis- 

 tinct medial shade, oblique from costa to vein 2 ; postmedial line 

 slightly bent outwards below costa, excurved to vein 4, then 

 incurved, some white points beyond on costa ; subterminal line 

 white, angled outwards at vein 7 and very slightly excurved at 

 middle, a black bar on its inner side below costa and dentate marks 

 at middle ; terminal area brown, with indistinct series of lunules 

 on termen. Hind wing ochreous brown, the cilia pale at tips ; the 

 underside whitish tinged with brown, the costal area suffused with 

 reddish brown, traces of a diffused subterminal band. 



Ifdh. Austria; Hungary; Switzerland; Italy; S.E.E-ussia, 1 cJ; 

 W. Turkestan, Issyk Kul ; W. Siberia, Altai ; E. Turkestan, 

 Kuldja, 1 d ; Mongolia, Changai Mts. ; E. Siberia, I'ssuri. Exp. 

 34 millim. 



