THE CHEESE SKIPPER AS A PEST IN CURED MEATS 



17 



Table 4. — Oviposition of Piophila easel on Jean ham at Washington, D. C. r 



in 1922 — Continued 



Date 



Date 

 mated 



Day. after mating and number of eggs laid 



Total 

 eggs 



Lon- 

 gevity 

 of 



female 



emerged 



1st 



2d 



3d 



4th 



5th 



6th 



7th 



8th 



9th 



10th 



11th 



12th 



13th 



14th 



Oct. 15- 

 15.. 

 15 . 



Oct. 16 . 



16._ 

 16._ 

 16.. 

 16- 

 16- 

 16- 

 16_. 

 23.. 

 23__ 

 23.. 

 23.. 

 23.. 

 23- 

 23_. 

 23_. 

 23.. 

 23 

 23. 

 23._ 

 23_ . 

 23. 

 23_. 

 23.. 

 23_ . 

 23- 

 23._ 

 23_ . 

 23-. 

 23- 

 23.. 

 23_. 

 23.. 

 23_. 

 23- 

 23_- 

 23.. 

 Nov. 1-. 





 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 73 

 72 

 79 

 76 

 74 

 80 

 101 

 87 

 67 

 

 63 

 89 

 98 



















13 



62 



35 



54 







81 



8 











81 



91 











































67 



69 



77 







92 







70 



56 



53 















87 



57 



60 



40 



2 























70 







35 















85 



81 



55 



54 



64 



73 



68 







68 





 

 

 

 

 

 



57 

 



25 





 61 





 15 









 19 





 71 

 42 





 

 





 

 



130 



61 

 





 

 64 













 





 







,41 







2 224 



220 



124 



55 



135 



185 



134 



236 



74 



148 



78 



89 



35 



117 



156 



18 



85 



84 



55 



54 



64 



136 



68 



65 



208 



139 



174 



190 



177 



259 



318 



157 



213 



112 



215 



162 



158 







72 

 133 



68 

 110 



75 

 122 

 

 

 117 

 155 



92 

 103 

 103 



75 



259 







126 



107 







42 



55 



79 



Days 

 26 

 24 

 26 



15.. 













29 



15 





 



17 

 



24 



123 







84 



96 















15 



15 















10 



15_. 

 15.- 



27 







23 



41 















13 





22 

 13 



23 













16 



23 . 





















16 



23 . 





















12 



23.- 



















89 















11 



23.. 















16 



23-- 





 65 

 



33 

 ~18~ 





















21 



23- 

 23.. 





















16 

 7 



23 . 





















3 



23.- 























16 



23.. 

























21 



23.. 

























3 



23-- 

























12 



23.. 



















63 















21 



23- 















10 



23.. 













 







19 





 



65 

 48 















12 



231. 















12 



23'. 













7 



231- 





 



70 

 



92 









 

 

 





 37 

 

 

 40 











26 















11 



23»- 















5 



231. 



33 

 36 

 35 



















: 1 



231. 





 





 



51 

 50 













11 



231. 



— , 









14 



231. 











,2 



231. 





 

 60 

 73 

 60 





 

 





 59 

 21 











65 







25 



... -I 









11 



231. 









14 



231. 



39 











32 



1 









14 



231. 



! 









5 



231. 























5 



Nov. 1-- 























12 



1-- 







 

 

 

 

 

 









 72 





 55 





 44 



18 

 26 

 

 

 

 

 





 

 

 

 

 

 





 46 

 61 







55 

 



78 



51 

















7 



1-. 



















19 



1-. 





















9 



l-_ 



68 



















24 



l-_ 



















9 



1-. 



75 



















■ 7 



1-. 

















12 



l-_ 























10 



12_. 



13- 































5 



12 1- 



13.. 

 13- 

 13- 

 13- 

 13- 

 13- 

 13.. 

 13.. 





 

 



56 

 

 



83 









 41 





 57 





 65 



40 

 64 

 

 

 46 

 

 



60 

 53 



24 

 47 









 





 

 







38 











" 



17 











15 



121. 











11 



121- 











27 











11 



121- 











5 



121. 









i 













8 



121. 







49 



75 

 37 







1 













16 



121- 



















25 











11 



121. 











16 



181- 



lS- 

 is.. 



18-. 







47 





 60 



86 







40 





















10 



181. 





















2 



181. 



























10 



181. 



18- 

 18.- 

 18.. 



42 







51 



























5 



181. 



55 

 28 

























5 



181. 

























& 





























Total eggs laid by flies . . 17, 669 



Total females 128 



Average eggs per* female (including those which did not oviposit) . 138 



iln incubator at 80 to 85° F. 



3 Including 7 eggs laid on nineteenth day. No eggs were laid from the ninth day to the eighteenth day, 

 inclusive. 



6102°— 27 3 



