ENTOMOLOGY AND PLANT QUARANTINE 
73 
Table 18. — Rvitortcd cases of screivwornis and mayyots In the Southern ^States, 
fiscal year 1937, by n-ecks 
Week ended— 
1936 
1937 
Num- 
ber 
33 
24 
9 
29 
20 
18 
6 
8 
4 
9 
10 
3 






8 





Num- 
ber 
49 
34 
44 
71 
69 
170 
81 
66 
48 
82 
39 
118 
113 
2 
78 
Num- 
ber 
10 




2 
1 
21 
28 
24 

64 
64 
12 
21 
101 
24 
164 
32 
20 
11 
446 
17 
124 
20 


Total July 3, 
1936. to June 
25, 1937 
181 1,560 
1,223 
Num- 
ber 
1, 107 
828 
839 
834 
772 
725 
834 
916 
885 
1,204 
776 
1, 195 
1,303 
1,643 
1,308 
1,306 
1,249 
845 
481 
1, 157 
1, 426 
753 
661 
419 
219 
170 
194 
427 
790 
979 
1,017 
1,052 
900 
851 
770 
722 
644 
627 
937 
870 
1, 155 
1,299 
1,076 
267 
496 
736 
1, 156 
970 
1,014 
1,079 
Num- 
ber 
13 
21 
15 
18 
4 
21 
24 
22 
44 
37 
42 
46 
47 
101 
168 
182 
354 
333 
330 
164 
51 
6 
1 

Num- 
ber 
3 
1 
16 
6 
9 
12 
3 
8 
3 
15 
25 
Num- 
ber 
2 
3 
4 
4 

2 
3 
2 
5 

1 
1 

1 

1 
1 
108 

14 
12 
16 

Num- 
ber 
1 
1 
396 
469 
5, 367 
894 
1, 279 
1,505 
691 
1,241 
3, 293 
1, 102 
217 
1,527 
940 
1,664 
408 
208 
66 


























13 
45 
123 
.542 
299 
415 
Num- 
ber 

9 
17 
23 
71 
21 
15 
134 
109 
74 
107 
85 
4 
52 
41 
26 
47 
15 
18 
73 
75 

2 
7 



Num- 
ber 
4, 656 
4, 490 
7, 105 
14, 650 
7, 647 
6,740 
8, 443 
6, 273 
6, 041 
3,785 
3, 559 
3, 205 
4,980 
4,904 
3, 533 
3,903 
3,118 
1,512 
1,811 
1, 272 
459 
367 
534 
347 
78 
34 
128 
411 
120 
116 
28 
14 
34 
45 
205 
326 
370 
395 
469 
252 
417 
480 
790 
1.726 
2, 005 
1,913 
1,780 
2,133 
1, 950 
2,282 
1,707 
1, 592 
45, 829 
2,329 
186 
22,706 
1, 025 
125, 134 
CONTROL WORK IN THE SOUTHWESTERN STATES 
The program was extended to the Southwestern States during June 1936. after 
the spring shearing of sheep and goats was completed. At that time serew- 
worms were distributed over the western half of Texas and in tho southern 
portions of other Southwestern States. In Texas the control work from Juiu- 
to December, inchisive. served gradually to reduce tlie rate of occurrence of 
infestations, which are shown as follows for tlie different months as averages 
among lOO.CXKJ animals; June 1.2.'3G, July 1,:U0. August 872, Septt'mber 039. 
October 687, November 401, and December 195. This gradual reduction was in 
strong contrast to the outbreak of 1935, when an estimated 3,245.297 cases caused 
