1110 
Journal of Agricultural Research 
Vol. XXVIII, No. 11 
Table III .—Data on the infestation of chick-peas by Bruchus quadrimaculatus 
Sack num¬ 
ber 
Temperature of seeds 
Sample No. 
Number of seeds examined 
Number of seeds infested 
Eggs 
Emergence holes 
Number of Bruchus— 
Larvae 
Pupae 
Adults in seeds 
Total larvae, pupae, and 1 
adults ! 
] 
Eggs unhatched j 
1 
; 
Eighth grown 
1 
! 1 
Quarter grown 
1 
Half grown 
Full grown 
25.. 
Pm 
o 
O 
H 
1 
50 
47 
549 
11 
16 
6 
19 
77 
31 
51 
200 
2 
50 
47 
598 
13 
8 
13 
33 
53 
26 
43 
176 
3 
50 
49 
019 
22 
97 
14 
35 
39 
10 
25 
220 
4 
50 
48 
523 
17 
59 
26 
16 
52 
11 
30 
194 
5 
50 
48 
548 
24 
24 
11 
35 
56 
19 
37 
182 
6 
50 
49 
706 
11 
174 
79 
30 
8 
1 
7 
299 
Totals 
300 
288 
3,543 
98 
378 
149 
168 
285 
98 
193 
1,271 
2,174 
7. 
89° F. 
1 
50 
50 
308 
32 
2 
6 
30 
111 
70 
41 
260 
2 
50 
49 
298 
32 
3 
0 
8 
93 
60 
32 
196 
3 
50 
47 
262 
32 
8 
1 
5 
85 
43 
25 
167 
4 
50 
45 
175 
37 
6 
0 
7 
58 
48 
17 
136 
5 
50 
50 
296 
23 
3 
1 
19 
100 
49 
11 
183 
6 
50 
47 
286 
6 
22 
15 
31 
63 
20 
4 
155 
Totals 
300 
288 
1,625 
162 
44 
23 
0 
100 
510 
290 
130 
1,097 
366 
Table IV .—Infestation of 50 seeds from each of six samples ° taken with grain-car 
probe from a 240-pound sack of chick-peas infested with Bruchus quadri¬ 
maculatus and registering 102° F. 
Seed No. 
Adults unemerged 
Pupae 
Larvae 
Total number of 
insects in seed 
Emergence holes 
Seed No. 
Adults unemerged 
Pupae 
Larvae 
Total number of 
insects in seed 
Emergence holes 
Full-grown 
Half-grown 
Quarter- 
grown 
Eighth 
grown 
Full-grown 
Half-grown 
Quar ter - 
grown 
Xi 
4-5 
-1 
W 
SAMPLE NO. 
1 
SAMPLE 
NO. 1- 
Continued 
1 
1 
2 
i 3 
1 
32_ 
1 
1 
3 
2. 
5 
5 
2 
33.. 
2 
2 
5 
1 
3 
1 
! i 
2 
34_ 
2 
2 
5 
2 
11 
2 
4 . 
1 
2 
2 
1 
_j 
; o 
2 
35__ 
4 
1 
5 
1 
5 
1 
2 ! 
1 3 
36_ 
2 
2 
.... 
6 
1 
1 
i 
1 2 
37_* 
1 
1 
7 
2 
3 
3 
1 8 
2 
38___ 
1 
4 
6 
11 
1 
8 
2 
2 
3 
7 
1 
39_ 
2 
1 
3 
6 
9 
2 
2 
3 
1 7 
40_ 
0 
10 
1 
1 
! 2 
I 
41_ 
1 
1 
4 
6 
11 
1 
.... 
1 
! 3 
42_ 
1 
2 
5 
2 
10 
12 
1 
1 
6 
2 
! 10 
43___ 
3 
3 
7 
*3 
13 
1 
3 
3 
7 
j 
44_ 
""2 
1 
3 
14 
v l 
1 3 
1 
4 
45_ 
0 
15 
2 
1 ! 
i 2 
5 
46__ 
1 
1 
16 _ 
1 
1 
2 
47_ 
0 
17 
. 1 
3 
1 
4 
48_ 
1 
1 
~~~2 
18 
2 
2 
1 
5 
49_ 
4 
1 
5 
1 
19 
2 
2 
50_ 
2 
""i 
6 
4 
13 
20_ 
3 
3 
21.. _ 
2 
1 
3 
22 .... 
2 
2 
4 
SAMPLE NO, 
2 
23 
2 
" i 
i_ 
3 
24 . . .. 
3 
1 
3 
1 
| 
8 
2 
j 
25 
4 
4 
1_ 
2 
2 
1 
5 
26 
1 
L 
3 
2_ 
2 
”1 
2 
5 
27 
3 
1 
i_ 
4 
i 
3_ 
2 
1 
3 
j 
28 
2 
1 
3 
4_ 
1 
2 
2 
5 
29 
3 
3 
5_ 
1 
~~2 
4 
7 
30 
2 
1 
3 
6_ 
1 
2 
3 
r;:: 
31.. 
2 
2 
7_ 
1 
2 
3 
a Samples 1 and 6 being at the extreme ends of the sack; samples 3 and 4 being nearest the center; all 
samples taken, naturally, along the central longitudinal axis of the sack. 
