BOARMID^—BOARMIA. 193 



A grand genus, of which we have six species. They are 

 rather difficult of tabulation. 



A. Central spot of hind wings distinct. 



B. This central spot a black lunule, wings ample, dusky 



white. B. rohoraria. 



W. This central spot a black ring, wings narrower, 



brownish white. B. consortaria. 



A^. Central spot of hind wings scarcely perceptible. 



C. Second line of the fore wings thrice bluntly angulated. 



B. 7'epandata. 

 C^. Second line of fore wings very oblique, joining the 

 central shade, at the dorsal margin. 



B. rhomhoidaria. 

 C^. First line of fore wings duplicated into a broad curved 

 stripe. 



D. Fore wings broad, costa arched. B. ahietaria. 

 D^. Fore wings rather narrow, costa nearly straight. 



B. cinctaria. 

 The last-named has also usually a white bar across the base 

 of the abdomen. 



1. B. roboraria, Schiff. Expanse 2 to 2^ inches. An- 

 tennae of the male strongly pectinated and stiff ; thorax 

 broad ; fore wings ample, elongated, abundantly dusted with 

 grey ; transverse lines obscure, black, the second rippled and 

 very oblique ; subterminal line rippled, white, edged with 

 black clouds ; hind wings very similar, but with a lunate 

 black central spot. 



Antennae of the male pectinated with long oblique ciliated 

 teeth to three-fourths of their length, the apical portion 

 being notched, pale grey, shaft pale drab ; palpi very short 

 and blunt, grey ; tongue well developed ; head rather 

 rough, lower portion blackish-grey, upper part of face, with 

 the head, greyish- white dusted with black- brown ; thorax 

 rather broad, whitish-grey or brownish-grey, barred across 

 the middle and at the back of the collar with blackish-brown, 



VOL. VII. N 



