36 
Indian Forest Records. 
rvoL. vii. 
Table 12.— Sack-band Records of Swarming Larvae, of First and Second 
Generations, Dehra Dun, April and May, 1916. 
Locality III. 
Number of 
trees banded. 
Time when 
banded. 
Time of 
collection. 
Number 
collected. 
April— 
| 
C'hakrata Road . 
225 
9th and 12th 
18th 
2,015 
April. 
19th 
478 
20th 
120 
21st 
64 
22nd . 
71 
23rd 
29 
24th 
43 
25th . 
Not examined. 
26th 
41 
27th . 
29 
28th . 
31 
29th 
81 
30th 
75 
May— 
1st 
120 
2nd . 
262 
3rd 
559 
4th 
839 
5th 
911 
6th 
960 
7th 
641 
8th 
557 
9th 
703 
10th 
372 
11th 
288 
12th 
344 
13th 
279 
14th 
282 
15th 
196 
16th . 
208 
17th 
207 
18th 
255 
19th 
156 
20th . 
92 
21st 
93 
22nd . 
51 
23rd 
34 
24th 
29 
25th 
26th 
27th . 
28th . 
29th 
30th 
31st 
The sack-bands on the trees in Locality III were put up rather late, 
and consequently the initial collections represent the accumulated 
pupations of an unknown number of days previously. In constructing 
the curve in Plate VI this has been recognised Out of a total of 225 
trees banded, only 14 remained unaffected during the first generation, 
while in the fruit generation all trees yielded robusta larvae. 
[ isi ] 
