NATURAL ENEMIES OF TREE PESTS

Li Government Entomologists Discover at. Last Natural Enemies of the San Jose Scale and Other Tree Pests and Are Turning Them Loose hy Millions By DR W H BALLOU AVAST female nnny or Chtncsa booties will soon invado tha United Btates to mnko war on the posts and parasites that destroy Amcri can fruit trees. The Govornmont Bureau of Entomology relegating sprays poisons and old fash toned remedies to a secondary place Is applying tho same treatment to diseased trees that modorn science applies to tho diseases of mankind. It seeks out tho car rier of the disease germ and then finds a natural enemy to attack and destroy.

It Tho worBt parasite enemy that Injures tho applo trees peach trees orango trooa and other fruitbearing trees of tho North American continent Is tho San Jose scale. This scale which looks like patches of shelllike vegetable fungus Is in roallty an Insect growth A winged bug called Aspldlotus Pcrnlclosus lays Us eggs in tho bark of trees and tho insects attach their bodies to tho treo bark Tho shell from tho body logother with secretions forms the actual scales which covor tho bark with darkgray patches Tho scale insect breeds.