Bul. 80, Part IV, Bureau of Entomology, U. S. Dept. of Agriculture. PLATE IV. 
CONDITION OF BUDS AT THE TIME WHEN FIRST SPRAYING FOR THE PEAR THRIPS 
{EUTHRIPS PYRI) SHOULD BE GIVEN. 
Fig. 1.—Bartlett pear. Fig. 2.—French prune. Fig. 3.—Imperial prune. (Original.) 
