S TIGMONOTID.^—DICHRORAMPHA. 251 



sliiniEg, trauslucent, with several small blackish clouds. 

 {Wilkinson.) 



September and October and after hybernation till tha 

 end of May in the root-stocks of Achillea millcfolkcm, 

 Chrysanthemum leucanthemum, and allied composite plants. 



An exceedingly abundant species about hedge-banks, 

 rough fields, and grassy spots generally, flying freely in the 

 sunshine all day long, and having a swift buzzing flight. 

 Common in the outskirts of London, and plentiful throughout 

 England except perhaps Northumberland; also apparently 

 in Wales and the Lowlands of Scotland to Perthshire and 

 Aberdeenshire. In Ireland recorded from Howth on the 

 Df.blin coast, Cork, Waterford, and Sligo. Abroad it is found 

 throughout Central and Northern Europe, Piedmont, Dal- 

 matia, Southern Russia, and Bithynia. 



2. D. alpinana, Tr. ; politana, 6?)i.— Expanse | to | 

 inch (12-15 mm.). Fore wings narrow yellow brown, with a 

 narrow, oblique, orange yellow dorsal blotch w-hich is extended 

 toward the base on the dorsal margin. 



Antennce and palpi greyish brown dusted with yellow; 

 head and thorax bright yellow brown ; abdomen dull brown. 

 Fore wings rather narrow, costa strongly folded at the base 

 and gently arched, apex blunt and squared ; rich yellow 

 brown or orange brovv^n ; on the dorsal margin near the 

 middle is an oblique, rather narrow, deep yellow blotch, 

 bending far back, and also extending itself forward along the 

 margin ; costa faintly dotted with yellowish white; before 

 the hind margin is a row of four black dots ; cilia yellowish 

 white, darkened at the tips. Hind wings smoky brown, with 

 white cilia. Female similar but rather larger, and with the 

 costa plain. 



Undersides of all the wings leaden brown ; costa of fore 

 wings obscurely dotted with white. 



