28 
BULLETIN 10, U. S. DEPARTMENT OF AGRICULTURE. 
Table XI. — Length of eadi of the fee nymphal stages of the grape leaf hopper for 114 
nymphs recorded from June 22 to October IS, 1912 — Continued. 
be 

03 

g 

-7i 
©' 
tx 
09 
a 

§ 
02 

e 
u. 
©' 
1 
O 
£ 

& 
73 
§ 
O 
E 
5 
©" 
2 
e3 
.a 
ft 
N 
— z 
3 ft 
-J 
_ 
Average daily 
temperature for 
entire nymphal 
period. 
1912. 
Julv 10 
Do... 
Julv 11 
Do... 
Do... 
1912. 
July 14 
...do 
Julv 15 
...do 
July 16 
Dys. 
4 
4 
4 
4 
5 
1912. 
July 18 
Julv 17 
Julv 19 
...do 
...do 
Dys. 
4 
3 
4 
4 
3 
1912. 
Julv 23 
Julv 19 
July 24 
...do 
July 25 
Dys. 
5 
2 
5 
5 
6 
1912. 
July 30 
Julv 25 
Julv 30 
...do 
Aug. 2 
9ys. 
6 
6 
6 
8 
1912. 
Aug. 11 
Aug. 14 
Aug. 12 
...do 
Aug. 13 
Dys. 
12 
20 
13 
13 
11 
Dys. 
32 
35 
32 
32 
33 
°F. 
69.81 
69.86 
69.58 
69.58 
69.69 
Do... 
Do... 
Do... 
Julv 12 
Do... 
Julv 15 
...do 
July 14 
July 17 
July 16 
4 
4 
3 
5 
4 
...do 
...do 
July 18 
July 20 
Julr 21 
4 
4 
4 
3 
5 
...do 
...do 
Julv 23 
Julv 26 
...do 
6 
6 
5 
6 
5 
Aug. 1 
Aug. 3 
Julv 30 
Aug. 4 
July 30 
9 
9 
4 
Aug. 12 
Aug. 13 
Aug. 10 
Aug. 13 
Aug. 15 
11 
10 
11 
9 
16 
32 
33 
30 
32 
34 
69.58 
69.69 
69.62 
69. 75 
69.32 
Do... 
Julv 13 
Do... 
Do... 
July 14 
Julv 17 
Julv 19 
Julv 17 
Julv 19 
...do 
5 ...do 
6 Julv 23 
4 Julv 21 
6 July 23 
5 July 25 
4 
4 
4 
4 
6 
July 30 
Julv 29 
Julv 26 
Julv 29 
July 30 
9 
6 
5 
6 
5 
Aug. 7 
...do.... 
Aug. 2 
Aug. 7 
Aug. 9 
8 
9 
9 
10 
Aug. 14 
Aug. 15 
Aug. 12 
Aug. 15 
Aug. 17 
8 
10 
8 
8 
33 
33 
30 
33 
34 
69.42 
67.14 
69.08 
69.10 
68.75 
Do... 
Do... 
Julv 15 
Do... 
Do... 
Julv 21 
Julv 19 
Julv 22 
Julv 21 
July 20 
7 July 27 
5 Julv 25 
7 ...do.... 
6 ...do.... 
5 July 26 
6 
6 
3 
4 
6 
Aug. 4 
Aug. 1 
Aug. 5 
Aug. 2 
...do 
8 
11 
8 
7 
Aug. 10 
...do 
Aug. 11 
Aug. 10 
...do 
6 
9 
6 
8 
8 
Aug. 19 
...do 
Aug. 21 
Aug. 19 
...do 
9 
10 
10 
9 
9 
36 
37 
37 
35 
35 
68.63 
66.77 
68.36 
68.34 
68.34 
July 18 
Do... 
Do... 
Do... 
July 19 
July 25 
...do 
Aug. 2 
Julv 25 
July 29 
7 Aug. 2 
7 Julv 29 
15 Aug. 7 
7 Julv 30 
10 Aug. 6 
8 
4 
5 
5 
8 
Aug. 8 
Aug. 6 
Aug. 9 
Aug. 8 
Aug. 11 
6 
8 
2 
9 
5 
Aug. 14 
Aug. 11 
Aug. 15 
Aug. 13 
Aug. 15 
6 
5 
6 
5 
4 
Aug. 22 
Aug. 20 
Aug. 24 
Aug. 22 
Aug. 25 
8 
9 
9 
9 
10 
35 
33 
37 
35 
37 
67.67 
67.79 
67.71 
67.84 
67.92 
Do... 
Do... 
Do... 
Do... 
Do... 
July 24 
Julv 27 
Julv 26 
Julv 25 
July 28 
5 July 27 
8 Aug. 3 
7 ...do.... 
6 ...do .... 
9 Aug. 6 
3 
7 
8 
9 
8 
Aug. 3 
Aug. 9 
...do 
...do.... 
Aug. 12 
7 
6 
6 
6 
6 
Aug. 9 
Aug. 15 
...do .... 
Aug. 14 
Aug. 15 
6 
6 
6 
5 
3 
Aug. 15 
Aug. 23 
Aug. 24 
Aug. 23 
Aug. 25 
6 
8 
9 
9 
10 
27 
35 
36 
35 
36 
68.77 
67.84 
67.71 
67.84 
69.81 
Julv 20 
Do... 
Julv 29 
Do... 
Do... 
Julv 27 
July 26 
Aug. 8 
Aug. 7 
Aug. 5 
7 Julv 29 
6 Aug. 3 
10 Aug. 11 
9 ...do.... 
7 Aug. 10 
2 
8 
3 
4 
5 
Aug. 3 
Aug. 9 
Aug. 15 
Aug. 17 
Aug. 14 
5 
6 
4 
6 
4 
Aug. 9 
Aug. 14 
Aug. 21 
Aug. 22 
Aug. 21 
6 
5 
6 
5 
Aug. 23 
Aug. 24 
Aug. 31 
Sept. 1 
Aug. 29 
14 
10 
10 
10 
8 
34 
35 
33 
34 
31 
67.79 
67.66 
67.53 
67. 73 
69.03 
Do... 
Do... 
Do... 
Julv 30 
Do... 
Aug. 7 
Aug. 8 
Aug. 6 
Aug. 11 
Aug. 7 
9 Aug. 11 
10 Aug. 12 
8 Aug. 11 
12 Aug. 14 
8 Aug. 11 
4 
4 
5 
3 
4 
Aug. 15 
Aug. 16 
...do.... 
Aug. 20 
Aug. 15 
4 
4 
5 
6 
4 
...do.... 
Aug. 22 
...do.... 
Aug. 25 
Aug. 21 
6 
6 
6 
5 
6 
Aug. 30 
Sept. 1 
...do.... 
Sept. 3 
Aug. 30 
9 
10 
10 
9 
9 
32 
34 
34 
35 
31 
67.84 
67.73 
67.73 
68.16 
67.68 
Do... 
Do... 
Aug. 5 
Do... 
Aug. 13 
Aug. 9 
...do.... 
Aug. 11 
...do.... 
Aug. 19 
10 Aug. 14 
10 Aug. 12 
6 Aug. 15 
6 ...do.... 
6 Aug. 23 
5 
3 
4 
4 
4 
Aug. 19 
Aug. 17 
Aug. 20 
...do.... 
Aug. 27 
5 
5 
5 
5 
4 
Aug. 25 
Aug. 22 
Aug. 25 
...do.... 
Sept. 2 
6 
5 
5 
5 
6 
Sept. 2 
Sept. 1 
Sept. 5 
Sept. 3 
Sept. 8 
8 
10 
11 
9 
6 
34 
33 
31 
29 
26 
67.95 
67.68 
69.95 
68.55 
71.52 
Do... 
Do... 
Do... 
Aug. 14 
Do... 
Aug. 18 
Aug. 21 
Aug. 18 
Aug. 20 
Aug. 19 
5 
8 
5 
6 
5 
...do.... 
...do.... 
Aug. 22 
Aug. 25 
Aug. 24 
5 
2 
4 
5 
5 
...do.... 
Aug. 29 
Aug. 26 
Aug. 31 
Aug. 28 
i 
6 
4 
Aug. 29 
Sept. 3 
Sept. 2 
Sept. 4 
Sept. 3 
2 
5 
4 
6 
Sept. 9 
Sept. 10 
Sept. 8 
Sept. 11 
Sept. 9 
11 
7 
6 
6 
27 
28 
26 
28 
26 
71.41 
71.55 
71.52 
71.75 
71.33 
Do... 
Do... 
Do... 
Do... 
Do... 
Aug. 20 
...do.... 
...do.... 
Aug. 19 
Aug. 20 
6 
6 
6 
5 
6 
...do.... 
...do.... 
...do.... 
Aug. 23 
Aug. 24 
4 
4 
4 
4 
4 
Aug. 29 
Aug. 28 
...do 
Aug. 27 
Aug. 29 
5 
4 
4 
4 
5 
Sept. 5 
Sept. 4 
Sept. 3 
Sept. 2 
Sept. 3 
6 
6 
Sept. 10 
Sept. 11 
Sept. 9 
Sept. 8 
Sept. 9 
6 
5 
6 
6 
27 
23 
26 
25 
26 
71.48 
71.75 
71.33 
71.44 
71.33 
Do... 
Do... 
Do... 
Aug. 19 
Aug. 20 
...do.... 
5 
6 
6 
5 
10 
Aug. 23 
Aug. 25 
Aug. 26 
Aug. 2*3 
Aug. 29 
4 
5 
6 
4 
Aug. 27 
Aug. 29 
Sept. 2 
Aug. 27 
Sept. 2 
4 
4 
Sept. 2 
Sept. 3 
Sept. 6 
Sept. 3 
6 
4 
1 
...do.... 
...do.... 
Sept. 14 
Sept. 9 
Sept. 10 
6 
8 
6 
26 
26 
31 
26 
71.33 
71.33 
71.24 
71.33 
71.48 
Do... 
Do... 
Aug. 19 
Aug. 24 
