56 



NOCTUID^. 



7826. Megistoclisma ribbei. 



.Nyctipao ribbei, Pag. J.B. Nass. Ver. xxxix. p. 140, pi. x. f. 2 (1886). 



2 . Head oclireous mixed with red-brown ; tegulse ochreous at 

 base, red-brown at tips ; thorax grey-brown with a blackish line 

 behind the teguljB ; pectus and legs yellow, the fore legs suffused 

 with red-brown in front ; abdomen yellow with a black-brown band 

 at base of dorsum and the two following segments suffused with 

 grey-brown. Tore wing with the costal area grey-brown from 

 inner margin near base to the postmedial line with some black 



Fig. 14. — Megistoclisma ribbei, $ . f . 



suffusion along its very irregular lower edge and before the post- 

 medial line, the inner area to the subterminal line and the apical 

 area ochreous tinged with red-brown, the terminal area below vein 6 

 grey-brown with some dark striaj and patches of blackish suffusion ; 

 a curved subbasal black striga from costa defined on outer side by 

 greyish and a black striga below the cell ; a curved antemedial 

 black striga from costa defined on inner side by greyish ; antemedial 

 line double, the inner line dark, the outer faint, arising at submedian 

 fold from a tooth from the lower edge of costal area, sinuous to 

 inner margin to which it is slightly bent outwards ; a yellow line 

 on outer edge of the tooth and along loAver edge of the costal area 



