4 CONNECTICUT EXPERIMENT STATION BULLETIN 155. 



Stamford, Norwalk, Bridgeport, Stratford, Milford and New 

 Haven especially lost many noble trees. Later the inland cities 

 were invaded, and the elm trees ravaged. In New Haven the 

 pest was perhaps at its worst in 1895 and 1896. In 1896 many 

 of the trees on the older streets about the center of the city were 

 sprayed with poison by the street department. The following 

 season the pest was less serious, and continued to subside until 

 1901, when it was again comparatively destructive. From 



Fig. I. — Elm leaves showing larvae and the damage which they do 

 by feeding on the under surface, natural size. 



1902 it diminished in abundance until 1906, when considerable 

 damage was done to the trees. 



So far as is known the distribution of this insect in America 

 is confined chiefly to the lower altitudes of Southern New Eng- 

 land and the AUeghanian region. From Charlotte, N. C, 

 its southern limit, the elm leaf beetle now extends as far north 

 as North Conway, New Hampshire. Up to this time, however, 

 the beetle has done no particular damage in New Hampshire. 

 Regions generally infested include the whole of Massachusetts, 



