18 PLATE XLII. 
Its breadth in England rarely exceeds two inches; but influenced by 
a warmer climate, they arrive at a higher degree of perfection than 
in thofe northern countries, at leaft they are commonly taken much 
larger. With us it has ever been efteemed as a rare Infect, though 
feen this feafon in Kent in greater plenty than for feveral years; but 
as they were probably only an accidental brood, they may again difap- 
pear for a confiderable time, The Fly is to be taken in autumn, but 
feldom after Auguft. 
Our F igure is of the male;—the female has feveral irregular yel- 
low fpots on the black borders. 
PLATE 
