6 FARMERS’ BULLETIN 564. 
gipsy moth from its native home in Europe and Japan. Since that 
time a large amount of parasitized material has been received nearly 
every year, and as a result some promising natural enemies have 
become established in this country and are assisting in bringing about 
the control of the species. The enemies which have become estab- 
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Fig. 3.—Dead and defoliated woodland resulting from gipsy moth attack. 
lished and are at present destroying the largest number of gipsy-moth 
caterpillars and pup are a Calosoma beetle (Calosoma sycophanta 
L.); a tachinid fly (Compsilura concinnata Meig.), which is also a 
parasite of the brown-tail moth; and a species of Apanteles (A pan- 
teles lacteicolor Vier.), which attacks small gipsy-moth and small 
