8o LEPIDOPTERA. 



D. Fore wiug-s squarely oblong with the apex pointed. 



>S'. nwvana. 

 D-. Fore wings blunt, with rounded costa. >S'. gcminana. 



1. S. rubiginosana, H.-S. ; bouchardana, X'Wr/ — Ex- 

 panse h to I inch (12-16 mm.) Fore wings long and evenly 

 narrow, "mottled reddish-brown with a large central white 

 dorsal blotch. 



Antennse, palpi, head and thorax dull brown ; abdomen 

 grey-brown. Fore wings rather narrow, costa nearly 

 straight, not folded, apex rounded and hind margin nearly 

 straight ; light umbreous dusted with red ; the space 

 between the broad umbreous basal blotch and the central 

 band forming a squared white spot on the dorsal margin ; 

 central band oblique and ill-deHned ; beyond it there are 

 first some white dusting, then two upright tawny shades, 

 and some reddish clouding ; costa dotted with white ; cilia 

 blackish-brown. Hind wings pale smoky brown ; cilia 

 whiter. Female similar. 



Underside of the fore wings smoky brown^ with white 

 costal dots. Hind wings smoky white. 



Usually not variable, but in the collection of the late Mr, 

 H. Doubleday, in Bethnal Green Museum, is a specimen 

 which is purple-red with a bright white edging to the costa. 



On the wing from the end of May till the beginning of 

 July. 



Larva apparently unknown. 



The moth sits in the daytime in Scotch fir trees (Finns 

 sylvestris), very often in the smaller trees resting in the 

 branches, and when beaten out flies heavil}^ towards another 

 tree. Said by Mr. 0. Fenn to fly naturally around the tops 

 of the boughs of Scotch fir trees in the afternoon and till 

 sunset. In Scotland it is said to sit on the trunks of the fir 

 trees, where it is not easilv to be seen. Formerly only 



