636 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, Vol. XX. 



Noctua nana, Rott. Nat., ix., p. 132 (1776) ; nee. Hiifn. Staud. Cat. 

 Lep. Pal., p. 162. 



Noctua conspersa, Schiff. Wein. Verz., p. 71 (1776) ; Esp. Schmett. iv., 

 pi. 119, f . 5 ; Hiibn. Eur. Schmett. Noct., f . 52 ; Dup. 

 Lep. Fr. vi., p. 354, pi. 95, f. 1. 



Bombyx annulata, Fabr. Spec. Ins ii., p. 204 (1781). 



Dianthcecia ochrea, Gregson, Ent. Rec. ii., p. 306 (1891). 



Dianthcecia dealbata, Staud. Iris, v., p. 365 (1892). 



Dianthoscia hethlandica, Staud. Iris, v., p. 366 (1892). 



Euplexia niveifera, Hmpsn., J. Bomb. Soc. xvii., p. 469 (1906). 



Head and thorax white with black markings ; tegulse and patagia edged 

 with black, the former with black medial line ; tarsi ringed with white ; 

 abdomen pale-brown. Forewing olive grey suffused in parts with black, and 

 with white patches tinged in parts with yellow ; a basal white patch on 

 costa traversed by the double waved, subbasal line from costa to sub- 

 median fold ; a double waved antemedial line traversing a white patch on 

 inner margin ; claviform defined by black with a bidentate white patch be- 

 yond it on base of vein 2 extending into the cell on outer side of the 

 orbicular which is round, white defined by black and with some white marks 

 above it on costa ; reniform white defined by black and with olive centre ; 

 postmedial line double, lunulate, filled in with white towards costa and 

 inner margin, bent outwards below costa, slightly incurved at discal fold, 

 incurved below vein 4, some white points beyond it on costa and a white 

 patch on inner area ; subterminal line white defined on inner side by some 

 dentate black marks at middle, angled outwards at vein 7 and excurved at 

 middle, the area beyond it more or less suffused with white and with a 

 white apical patch ; a terminal series of small black lunules ; cilia chequered 

 fuscous and white. Hindwing fuscous brown, the interspaces rather paler 

 towards base ; cilia white at tips ; the underside greyish thickly irrorated 

 with fuscous, a discoidal spot and curved postmedial and subterminal bands. 



ab. 1. ochrea. Forewing with the markings ochreous instead of white. 



ab. 2. hethlandica. Forewing much darker, often almost uniform fuscous, 

 the cilia without white. Shetland Islands. 



ab. 3. dealbata. Forewing with the white markings reduced, the apical 

 patch absent. Armenia, W. Turkistan, E. Siberia. 



ab. 4. niveifera. Forewing with the ante and post medial areas golden 

 olive without white on inner margin. Punjab. 



Habitat. — Europe ; Armenia ; Asia Minor ; W. Turkistan ; W. 

 Siberia ; Mongolia ; Tibet ; E. Siberia ; Punjab, Simla. Exp. 36 mill. 



Larva. Meyr. Brit. Lep. p. 77 ; Barrett, Lep., Brit., iv., p. 252, pi. 

 164. 



Pale-brownish ochreous ; dorsal line pale, traversing a series of dark V- 

 shaped marks ; two pale brownish lateral lines ; spiracular line whitish ; 



