TRIFW.-E. 355 



Morayshire, Ayrshire, and apparently all the hill districts 

 of the West of Scotland, and in the Hebrides, Orkneys 

 and Shetland Isles. In Ireland on the Hill of Howth near 

 Dublin, in Wicklow, Louth, Londonderry, Donegal, Armagh, 

 Carlingford, and Sligo. Abroad in many parts of Central 

 Europe, especially the regions of the Alps and Pyrenees, 

 Finland, Southern Kussia, Eastern Siberia, Armenia, and 

 the mountain regions of Central Asia. 



Genus 33. XYLOPHASIA. 



Antenna cylindrical, almost naked ; eyes naked, with nearly 

 prostrate lashes at the back ; thorax slightly crested at the 

 top and back ; abdomen with one to five crests ; fore wings 

 elongated, rather pointed ; hind margin slightly crenulated ; 

 hind wings broad, vein 5 very slender and curved back at its 

 origin. 



Larv^ stout, shining, but of plain dull colouring, raised 

 dots shining and conspicuous ; hiding by day at the roots of 

 plants. 



Pup^ subterranean. 



We have six species, a table of which may be useful : 



A. Subterminal line indistinct. 



B. Fore wings whitish-ochreous, nervures thickened, 



X. lithoxylea. 

 B'l Fore wings reddish-ochreous, surface smooth. 



X. suhhcstris. 

 B^. Fore wings pale reddish-brown with dark hind margin; 



or dark purple-brown. X. rurea. 



A^. Subterminal line distinct. 



C. Subterminal line much toothed, with a distinct W. 



X. polyodon. 

 C". Subterminal line waved. 



D. A black streak from the middle of the base. 



X. hepatica. 



