; R Ja; 
1 •• 
.ty 
Year 
1 -square- 
foot samples 
ibs 
Per square foot 
Parasitized 
mber 
mber 
Percer.: 
Pastur 
shland, Pa. 
1935 
200 
5. 7 
4 1 
61 
1 Q^fi 
900 
47 
1939 
200 
. 3 
1 i 
48 
Golf course: 
1QOC 
onn 
c 
C.Q 
rw) limont, ra. 
laoo 
1947 
C\J\J 
40 
D . 1 
3. ~ 
JO 
42 
Overbrook, Pa. 
1937 
565 
.9 
36 
Wilmington, Del. 
194 
40 
1.5 
York, Pa. 
47 
40 
2.5 
43 
Valley Forge, Pa. 
1949 
40 
5.8 
30 
Gulf Mills, Pa. 
1949 
40 
5. 3 
ru^mifflzeffilbyth^lnte 
>rnef;J\rch 
livel" 
Hospital grounds: 
Phoenixville, Pa. 
1949 
in 2013 
3.9 
19 
The Philmont survey in 1936 also covered a period of high grub abun- 
dance. The survey was made 9 years after the colony was started 
1927 with the liberation of 1, 170 female parasites. H 
1931 and 1936 a total of 34, 240 females had been collected from that 
area distribution in other St.; .ime area, when s d 
in 1 ed a drop in grub ^6 and 
•i additional 40, 42fi f« 
In brook survey number of sami 'he 
large. taken in 
inr tes 
decreased, as 
1 . 
tUe doubt that U 
. ity th< Tiphi .. 
Th< ' 
I 
' : ■ ■ .••.'••■ 
http://archive.org/details/iphiaimpo00unit 
