_54i- 
Phyllo-pha.ga iraplicita (Horn) was collected from six food plants, of whi< 
aspen supplied 93*72 percent of the total. 
The favored host plonts of the less abundant species ere shown in the 
tables. 
Gay s Mi 1 Is Area 
The host plants observed in the Gays Mills area and the nunber of beet] 
taken from them arc listed in table 2, which is identical in form with table 
1. Fhyllophaga rugose, , P. fusca , and P. ilicis , the most abundant species, 
were each taken from 12 of the l6 listed host plants. Cultivated cherry, 
butternut, and shagbark hickory together supplied 83.9b percent of the total 
number of P, rugosa beetles and individually 5^*17, 19 • 9 7 » and 9*32 percent. 
Butternut and shagbark hickory supixlicd 66.91 end lb. 19 percent of the total 
number of P. fusca beetles and hazel, shagbark hickory, and butternut 26.91, 
23»3S, and 12.31 percent of the total number of P. ilicis beetles. Hosts of 
the less abundant species are given in the table. 
library 
state plant board 
