TWENTY FIFTH ANNUAL MEETING. 



107 



eggs are deposited by a large miller, white with black spots, being placed 

 in the crevices of the bark, and on hatching the young eat through into 

 the sap-wood and then around the tree or limb, girdling it wholly or in 

 part. In old trees the limbs are attacked, but in younger ones the main 

 branches and trunk are preferred. 



Fig. 7.— Gallery made by Sinuatn Pnar Borer ia nursery tree ; a, point at which stock was budded just 

 above surface ; b, the down burrow coming up at c. Enlarged. — After Smith, 



The foregoing includes but three recent introductions of foreign insect 

 pests (I could have added others) while of the older ones there are a score 

 or more that affect our fruit and grain crops every year. There is, besides, 

 every reason to suppose that others, that we as yet know not of, are con- 

 tinually being brought to us. Will the states along the Atlantic take 

 measures to stamp out these importations? Most assuredly not! Nor, 

 in fact, will any other states. The most of these westward bound species 

 find in the Alleghany mountains an insurmountable barrier, and, instead 



