6 BULLETIN 280, U. S. DEPARTMENT OF AGRICULTURE. 
destructive to strawberry plants, were found in two stomachs, and 
in one other a weevil, Sphenophorus parvulus, that injures the roots 
of grass. The well-known white grubs that attack grass roots and 
a host of other plants are the immature forms of many species of 
Lachnosterna, of 
several species of 
Euphoria and ot 
Allorhina nitida. 
Of these, re- 
mains of Lach- 
nosterna were 
found) inigom 
stomachs and of 
—. 
\\ 
H 
Euphoria in one 
I& each. 
ZA Ze Lepidoptera 
a aq (caterpillars) 
stand next to 
Coleoptera (bee- 
tles) in the ani- 
mal diet of the 
wood thrush. 
Although eaten 
with a fair de- 
gree of regular- 
ity during every 
month of the 
Ypsimay\ ird’s stay in the 
north, the most 
were taken in 
ums ae ) ee 
| : : 
age for the sea- 
i 
}\ “A 
\ 
ae 
S 
eS 
WS 
SN 
Hf 
SS 
SY 
2G, j 
eee cent. Ants as an 
B2084—73 item of food are 
Fic. 1.— Wood thrush (Hylocichla mustelina). third in impor- 
tance, though if other Hymenoptera were included the order would 
rank next to beetles. They seem to be a rather favorite food with 
all birds of the genus Hylocichla. With the wood thrush they 
begin with 18.12 per cent in April and gradually decrease through 
the summer and disappear in October. The total for the season is 
8.89 per cent. Hymenoptera other than ants were eaten with great 
Allorhina and 
son is 9.42 per 
eel ae ee 
