18 P ij AcT V1. 
found in fome parts of the continent, in which the abdomen is marked 
with a fingle rufous belt, but this kind has not, to our knowledge, 
been difcovered in this country: Efper gives it under the name of 
Sphinx Peucedani, Gmelin deems it nothing more than a variety of 
Filipendulz ¢, 
The fix fpot Burnet Sphinx is taken pretty frequently in the 
neighbourhood of London, where the other is rarely found, In fome 
parts of Bedfordfhire the five-{pot Burnet is very common. 
As al] lepidopterous infects are liable to fome trifling variations in 
the colours and markings of their wings from accidental circum- 
ftances, fo {pecimens of Sphinx Filipendulz have been taken with 
the two fpots near the bafe very Clofely united ; infomuch as to appear 
like a fingle fpot, and hence arofe fome doubt as to the exiftence of 
any other five fpot Burnet. If, however, we compare this variety 
with the true five fpot Burnet, a ftriking difference muft be perceived. 
' The latter is fmaller, the blue border of the inferior wings is deeper, 
and the {pot of red, which in the fix fpot Burnet is fituated copie to 
the apex of the fuperior wing is wanting. 
The larva of the prefent fpecies feeds on the Genifta Anglica, on 
the Ulex Europzus, and Spirea Filipendula, from the latter of which 
its Linnean name is derived. 
oe Ss 
