107 
ENTOMOPHTHORA AMERICANA: AN AMERI¬ 
CAN FUNGUS NEW TO EUROPE. 
By HUGH MAIN, B.Sc., F.E.S. 
With Illustration. 
[Read 31 st March 1917.] 
D URING a short hunt in Epping Forest on 19th August 
1916, a young friend called my attention to an object 
on the trunk of a hornbeam, about three feet from the ground, 
which he declared was a “ fungus growing wings.” 
•‘A FUNGUS GROWING WINGS.” 
This was a striking object, consisting of a mass of white 
hyphae, evidently growing from the body of a large fly. The 
head of the insect was downwards, and its wings, twisted by 
the growth of the fungus, projected on each side. White spores 
sprinkled the bark below' the fly. It reminded me at once of 
Empusa muscce, the fungus which one often sees growing from 
