REPORT OF STATE ENTOMOLOGIST, 1898 



241 



fruit garden has been under my eye for over a year. The scale has 

 spread in spite of the efforts of the owner, who used whale oil soap to 

 some extent. It has ruined many currant bushes, and badly stunted a number 

 of pear trees, besides infesting to a certain degree peach and apple-trees. 

 On the 9th of last July, numerous young were to be found on the more 

 tender shoots, some appearing as though dusted with pollen on account of 



Fig. 20 Young of pulvinaria innumerabilis on maple leaf (original). 



the larvae clustered at their tips. Developing scales were found in small 

 numbers on the leaves and abundantly on the fruit. At its present rate 

 of multiphcation, most of the young trees in that garden will be ruined 

 iu a few years. Only this spring, I found the scale at Lebanon Springs, 

 some 20 miles from the Hudson river, and at an elevation of 900 feet — 

 29^ below zero being known in that locahty. Even when exposed to such 

 extremes of temperature, and probably outside the limits of the upper 

 austral Hfe zone, the insect had been able to not only hold its own but 

 had increased some, as the few trees infested were badly covered with 

 the scale. It had spread very little, though the trees had been set out 



