i86 LEPTDOPTERA. 



it has a wide range, being sometimes quite undesirably 

 rommon ; through Central and Southern Europe, including 

 Corsica and Southern Russia ; also in Siberia, Tartary, Asia 

 Minor and Northern India. 



2. B. flavalis, Schiff. — Expanse ^ to 1| inch (22- 

 28 mm.). Fore wings pointed, shining yellow-ochreous, 

 margined with dull grey-brown, and having the stigmata and 

 lines of that colour. Hind wings smoky yellowish-white, 

 with smoky brown transverse lines. 



Antenna' of the male threadlike, bronzy-brown ; palpi 

 short and broad, but pointed, dark chocolate ; head chocolate- 

 brown but white at the base of each antenna ; thorax slender, 

 ochreous-yellow, rather browner in front ; abdomen slender, 

 pale ochreous. Fore wings elongated ; the apex decided!}' 

 angulated : costa gently arched ; hind margin slightly 

 curved ; colour clear smooth shining ochreous yellow, often 

 with a tawny tinge ; along the extreme costal edge is a 

 narrow brown line, and the markings are all formed of 

 blackish-brown dusting — first line oblique, slender ; second 

 line also slender, bent suddenly outward in the middle, and 

 then, with a fine curve, up to the costa ; the orbicular and 

 reniform stigmata both present as ringed spots, and the 

 claviform as a more flattened ring ; subterminal line sug- 

 gested by a series of faint clouds ; extreme hind margin 

 edged by a dark brown line ; cilia pale leaden-brown. Hind 

 wings rather broad, roiinded behind, smoky pale yellow ; 

 central spot, and a waved transverse line beyond it, faintlj- 

 smoky black ; the latter followed by a still more faint parallel 

 cloud and a darker marginal line ; cilia leaden-brown. 

 Female similar, or sometimes haviner the fore wings of a more 

 yellow tint. 



Underside of the fore wings very dark, the ground, which 

 is straw-colour, much obscured by the markings, all of which, 

 as on the upper side, with the costa, apex, and nervures, are 

 broadly dark bronzy-brown. Hind wings also obscured with. 



