﻿94 



BULLETIN^ 1369, U. S. DEPAETMENT OF AGEICULTUEE 



Tablk 11. — Treatment of Hypoderma lineatum in the hacks of cattle, Dallas, 



Tex., 1918-192Jf 



Material and strength 



Argyrol, 10 per cent solution 



Arsenical solution, 0.182 per cent 



AS2O3. 

 Arsenical solution, 0.222 per cent 

 AS2O3. 



Do 



Do 



Arsenical solution, 0.237 per cent 



AS2O3. 



Benzol, 90 per cent 



Benzol, 100 per cent 



Borax, saturated solution 



Boracic acid, saturated solution 



Carbolated petrolatum, 13^ per cent- 

 Carbon tetrachloride 



Chloroform, C. P 



Copper sulphate, saturated solution. 

 Carbolic acid, crude, 1 part; paraffin 



oil, 10 parts. 



Creosote oil (wood) 



Cresol compound, U. S. P., 1 part; 



water, 10 parts. 

 Cresol compound, U. S. P., 1 part; 



water, 5 parts. 

 A cresol compound, 1 part; water, 



10 parts. 



Do 



Do 



A cresol compound, 1 part; water, 



5 parts. 

 Creosote dip (coal-tar), 1.66 per cent 



solution. 

 Creosote dip (coal-tar), 8 per cent 



solution. 



Cresol ointment, full strength 



Derris extract (proprietary), 1 part; 



water, 10 parts, plus 4 ounces soap 



per gallon. 

 Derris extract (proprietary), 2 per 



cent in water, plus 4 ounces soap 



per gallon. 



Derris powder, dry 



Derris powder, 1 part; paraffin oil, 



5 parts. 

 Derris powder, 1 part; petrolatum, 



2 parts. 

 Derris powder, 1 part; petrolatum, 



5 parts. 

 Derris powder, 1 part; petrolatum, 



10 parts. 

 Derris powder, 1 part; petrolatum, 



15 parts. 

 Derris powder, 1 part; petrolatum, 



20 parts. 

 Derris powder, 8 ounces; soap, 4 



ounces; water, 1 gallon. 

 Do.... 



Derris powder, 12 ounces; soap, 4 

 ounces; water, 1 gallon. 

 Do 



Derris powder, 16 ounces; soap, 

 4 ounces; water, 1 gallon. 

 Do.-.. 



How applied 



Dropper, in hole _ 

 Syringe, in hole.. 



.do. 



Wash on back 



Wash, 2 applications, 



2 days apart. 

 Wash on back 



Injected with oil can. 

 do 



Injected with syringe. 

 do 



Pressed into holes 



Injected with oil can _ 

 Injected with syringe. 

 do 



Injected with oil can. 



do 



.do. 

 .do. 



Injected with syringe. 



Injected with oil can . 

 Injected with syringe. 

 Injected with oil can. . : 



Wash on back 



Injected with syringe. 



Pressed into holes 



Injected with oil can. 



Wash on back. 



Dusted into hole 



Injected with oil can _ 



Pressed into hole. 



do 



do 



do 



do 



Wash on back, 2 appli- 

 cations. 



Wash on back, 1 appli- 

 cation. 



Wash on back, 2 appli- 

 cations. 



Wash on back, 1 appli- 

 cation. 



do 



Wash on back, 2 appli- 

 cations; first appli- 

 cation, 4 ounces of 

 derris. 



1 Includes all stages. Mostly fifth-stage larvae, but all stages not determined. 



1 



% 

 



u 







03 



i 



Niun- 

 ber of 

 grubs 

 killed 



Num- 

 ber of 

 grubs 

 not 

 killed 



Num- 

 ber of 

 grubs 

 doubt- 

 ful 



Num- 

 ber of 

 grubs 

 gone 













^ 



Stage 



Stage 



Stage 



Stage 



XI 



42 



































Z 



:? 



3 



4 



5 



3 



4 



5 



3 



4 



5 



3 



4 



5 



2 



6 











6 







































IV 



bV 











3 











28 











21 











5 



14 



28 











7 











3 











16 











2 



2 



61 







1 











31 



29 



























14 



100 



2 



10 



11 







21 



56 



























7 



39 











1 











36 























2 



8 



115 







11 



88 







1 



5 























10 



56 



240 







31 



189 











8 











3 











9 



13 



72 







(1 



3 







6 



20 







1816 











9 



12 



68 







(1 



3 







10 



23 



1 



9 9 











8 



5 



62 



1 







4 



1 



31 



25 























71 



375 







31 



298 











8 



1 



10 







2 



25 



6 



24 







(1 



16 



















Ol 8 















It) 



59 



1 



1 



31 











1 







5 20 















11 



65 







5 



20 







2 



26 























12 



23 



77 







4 



25 











28 























20 



9 



52 











19 











7 







7 



19 















7 



122 







2 



16 







3 



65 























36 



45 



136 







12 



91 







1 



18 







2 



3 











9 



8 



19 











12 











7 



























15 



79 







4 



54 











7 







5 



9 















17 



185 



1 



19 



108 











33 























24 



18 



115 





M 







17 



8 

















2S 





6 



46 







5 



27 











2 







2 



10 















12 



90 







2 



51 











7 







1 



29 















15 



97 







14 



81 



































2 



18 



108 







6 



7 







3 



80 











1 











11 



22 



133 







7 



no 











6 







2 



1 











7 



9 



24 







5 



19 







































76 



234 





122 









1 ^ 



) 























8 



21 



82 







3 



76 











1 























2 



33 



123 



5 



41 



66 











3 











1 











7 



15 



92 



2 



43 



40 











3 











2 











2 



3 



82 



2 



55 



25 







































9 



11 











7 



































4 



18 



109 





16. 



) 





13 



4 

















1( 



) 



8 



21 







1 



19 



































1 



26 



191 



1 



51 



137 











2 



























55 



503 



1495 





1 ' 

























1 



5 



92 





18 



9 



































3 



1 100. 00 

 9.68 



70.00 



1.65 

 23.00 



2.70 



94.29 

 96.49 

 10.34 

 8.33 

 8.06 

 97.63 

 1 100. 00 

 97.06 

 47.17 



50.88 

 73.08 



20.93 



84.43 



63.16 

 89.23 

 79.50 



10.34 



94.12 



88.33 

 ! 100. 00 



13.54 



95.12 



aoo.oo 



97.77 



98.75 



97.39 



96.59 



1100.00 



: 100. 00 



65.66 



100.00 



98.95 



98.61 



; 100. 00 



