28 BULLETIN 1472, U. S. DEPARTMENT OF AGRICULTURE 
Table 2. — -Best repellents against Cochliomyia macellaria — Continued 
Material 
Pine-tar oil, commercial (3) plus furfural (1) plus safrol 
(1). 
Pine-tar oil, commercial (3) plus furfural (1) plus arti- 
ficial sassafras oil (1)_. 
Pine-tar oil, commercial (3) plus safrol (1) plus camphor- 
sassy oil 0) - - 
Pine-tar oil, commercial (3) plus safrol (1) plus fennel 
oil(l) 
Pine-tar oil, commercial (3) plus safrol (1) plus salicylic 
aldehyde (1) 
Pine-tar oil, commercial (3) plus salicylic aldehyde (1)__ 
Pine-tar oil, commercial (3) plus safrol (1) 
Pine-tar oil, commercial (10) plus safrol (1) .. 
Pine-tar oil, commercial (20) plus safrol (1) 
Furfural (2) plus pine-tar oil (3) plus zinc stearate (2).__ 
Furfural (1) plus castor oil (1) plus grafting was (2) 
Wood-creosote oil .. 
Coal-tar creosote (1) plus kaolin (3) 
Pine-tar oil, refined 
Copper carbonate 
Para-xylyi bromide... 
Chloroacetone 
Furfural (1) plus petrolatum (2) plus zinc oxide (1) 
Furfural (1) plus castor oil (1) plus rosin (1) 
Pine oil No. 4 
Furfural (1) plus petrolatum (5) 
Sassafras oil, artificial (1) plus kaolin (3) 
Clove-bud oil (1) plus kaolin (3) 
Coal-tar creosote (1) plus petrolatum (5) 
Pine oil, refined 
Camphor, artificial (pinene hydrochloride) 
Chloroacetophenone (1) plus kaolin (1) 
Beta-bromoethyl acetate.. 
Pine-tar oil (3) plus safrol (1) plus anise oil (1) 
Guaiacol 
Pine oil No. 4 (1) plus pine-tar oil (1) 
Coal-tar creosote 
Camphor oil by-product (3) plus petrolatum (1) 
Rosin residue (1) plus pine oil (1). 
Pine tar (1) plus borax (1) plus kaolin (2) 
Pine-tar oil (3) plus safrol (1) plus artificial sassafras oil (1). 
Iodoform (1) plus petrolatum (2) _.. 
Benzyl chloride.. , .... 
Clove oil (3) plus petrolatum (1) 
Clove powder (1) plus kaolin (4) 
Pine oil (steam distilled) 
Pine-tar oil (3) plus furfural (1). 
Allyl isothiocyanate (1) plus kaolin (3) 
Sassafras oil (3) plus petrolatum (1) 
Pine-tar (1) plus borax (1) 
Pine oil No. 4 (1) plus refined tar oil (1) 
Pine-tar oil (1) plus safrol (1) 
Pine-tar (1) plus borax (i) plus petrolatum (2) 
Pine-oil foots (1) plus furfural (1) 
Wood-tar oil 1 
Furfural (1) plus gum galbanum (1) 
Picric acid 
Benzaldehyde 
Nitrobenzene (1) plus kaolin (4) 
Chloropicrin (1) plus lubricating oil (24).. I 
Pine oil, crude 
Pine-tar acid ...j 
Nitrobenzene (1) plus petrolatum (5) 
Iodoform (1) plus kaolin (4) 
Alpha-naphthylamine 
Clove oil (1) plus kaolin (3) 
Citronella oil (Ceylon) j 
Turpentine , crude.. I 
Furfural (1) plus petrolatum (1) plus grafting wax (2)...j 
Camphor oil by-product (1) plus kaolin (3) ' 
Furfural (1) plus petroleum (1) 
Furfural (1) plus kaolin (4) 
Beta-ctaloroethyl acetate.. i 
Coeffi- 
cient i 
.10 
.10 
.16 
.16 
.20 
.20 
.21 
.21 
.22 
.22 
.22 
.23 
.27 
.29 
.32 
.33 
.40 
.42 
.41 
.3 
.59 
.81 
.88 
1.0 
1.1 
1.6 
1.6 
1.7 
1.7 
1.5 
1.8 
1.4 
1.2 
2.0 
2.2 
2.3 
2.3 
2.3 
2.4 
2.4 
2.6 
2.6 
2.7 
2.8 
2.8 
2.0 
1.7 
3.2 
3.6 
3.6 
Num- 
ber of 
treated 
jars 
Number 
of flies in 
treated 
jars over 
checks 
0:302 
0:302 
0:302 
0:302 
0: 
0: 
0: 
0: 
0: 
0: 
0: 
0: 
0: 
1: 
1; 
1: 
1: 
1: 
1: 
2: 
1: 
1: 
1: 
1: 
1: 
1: 
2: 
2: 
1: 
2: 
1: 
4: 
3:1, 
6 
19 
11 
14 
14 
14 
12 
13 
12 
4 
3 
6 
21 
11 
19:1, 
16 
23 
22 
Infesta- 
tion: 
Number 
of in- 
fested 
treated 
jars over 
checks 
238 
238 
302 
302 
302 
505 
505 
505 
455 
999 
966 
617 
634 
505 
505 
932 ] 
475 
455 I 
455 ' 
456 
427 
617 
302 
5.05 
23S 
9^2 
023 
505 
455 
302 
455 
617 
113 
455 
505 
302 
640 
568 
688 
23 S 
23S 
455 
505 
625 
505 
966 
505 
023 
000 
616 
505 
551 
455 
151 
113 
212 
747 
505 
095 
505 j 
640 
617 
Emer- 
gence, 
treated 
over 
check 
jars 
0:2 
0:2 
0:2 
3:4 
2:4 | 
2:2 I 
0:2 
2*2 
2^2 
2:2 
0:1 
9:9 
3:3 j 
0:4 
0:6 
2:2 
2:2 
3~i6 
1:3 
1:1 
0:1 
1:2 
6:8 
1:1 
2:3 
1:4 
1:2 
2:2 
2:2 
0:3 
2:4 
2:2 
1:1 
1:2 
1:1 
0:4 
2:2 
1:1 
2:2 
3:4 
4:4 
3:3 
2:3 
2:2 
2:2 
1:1 
2:2 
4:6 
2:2 
3:3 
2:2 
3:3 
0:2 
2:2 
2:2 
2:2 
1:1 
1:1 
2:2 
3:3 
7:7 
2:2 
2:5 
2:2 
3:4 
1:4 
0:2 
0:2 
0:2 
0:C> 
0:2 
0:4 
0:2 
0:2 
0:2 
0:2' 
0:2 
0:1 
0:5 
1:3 
0:4 
0:6 
1:2 
0:2 
0:4 
0:1 
0:1 
0:1 
0:1 
0:2 
0:1 
0:3 
0:4 
0:2 
0:2 
0:0 
0:3 
0:2 
0:2 
0:1 
0:2 
0:1 
0:4 
1 
2 
4 
1 
2 
1 


1 
0:2 
0:0 
0:2 
2:3 
1:2 
0:1 
0:2 
1:2 
1:2 
0:1 
0:1 
0:1 
1:5 
0:2 
0:2 
0:2 
1:1 
0:4 
> The figures in this column correspond to those in column 6 of Table 1, i. e„ percentage ratio for the 
entire period. . 
