8 



CreCULAE 10 9, U. S. DEPAETMEITT OF AGEICULTUEE 



^ 

 ^ 









s 



Percentage of parasitism by- 



o 



i 



1 S2 



1 









32.0 

 35.3 

 67.4 



2.8 



ICO • 

 1 IC 1 



lo j j 







1 j Ico • 1 



CO 1 '<-^-^O0Oi '< ' 1 l-#ooo 1 loo 1 i ! io ' i 



; i"^?^ 



1 loo 





g^ J U3 It^co.^^ It-t-ioo«:ot- 1 1 ' I ici 



2 1 ■'^^^ ?§2^g i?§g^^S?^^ M ?^ 





.-•^ 1 locNO: 1 1 1 



^'^ 1^22^ j i 



11 



OT'5 



i 



,-1 1 1 1 1 1 1 1 l<NiO 1 i 1 1 1 1 I'* 1 1 1 



^ I ; 1 i M 1 1^^ 1 i 1 M 1 M 1 i 1 



jo j 1 

 lo" ' 1 





! 1 It^ 1 1 

 j j j-o 1 j 



CO lt-00CT>00lliloC5olloiilloi'l 



1 lo!N 

 j j-g3 



j j jco 





c^ 1 laoo 

 2 ! ^^S' 



05C0C0»O locjiccco 11111 







It^ 1 1 



1 i 1 i 1 1 



II 



m 



^ 



o 









1 joo j 1 I j 1 j j 1 1 



1 1 (M' (M" 1 1 I 1 1 1 1 1 1 









1 i i 1 1 1 



2 i*^ 







1 1 1-^cO 11111111 

 j 1 joico j j j j j 1 1 j 

















OQ 



-# O 1 rt 1 1 1 j 1 1 I 1 j 



Csil>: IrH 1 1 1 1 1 1 1 1 j 





1 1 I loi 1 1 1 



j JCC j j ' 



1 lid 1 1 1 



03 



II 

 r 



"^ 



coo 

 ^o 









ooco 1 1 1 j j j j-* 



O'S'CO j j j j j 1 Jt-^ 



id I 







1 I It^ I 1 



j j jo 1 I 



i ! N^ 



03^ 





1 1 ;C 1 1 1 CO 1 1 I I IT 



I h^ 1 ^ h 







1 lovC 



I'M 



1 ! H 





rO^THiO ItCOO jo 1^35 ■ j j 

 05 00 IM' "* 1 -*■ CO jo j -< ^ j j j 







i:^ 





i M 1 i ; 





i i : : 



1 I 1 









o ^ -^ 1 1 1 1 1 1 CO I 

 -*■ CO o 1 1 1 1 1 1 ^' 1 











11111! 



?3 1 ; i"'^ ; 

 2 ; i^"^ i 





i i 1 j 











! 1 1 I I I 



O 



2 1 : i 



1 , 1 





CO TJ* 1 u-5 1 1 1 1 1 1 t^ 00 1 1 1 



cq^ j^ j 1 1 1 1 lc<i • j j j 



ItS- 







Ic 



:>iMr^ I 1 1 



^22 1 i i 



Number of larvae 



^ 1 ?5g 



Oi 1 



^ 1 









O 35 ^ 1 1 1 1 Tt< O CO CO 



c^ a> ;£ J [ 1 1 c^ c<i r- 



C5 > ^ 



O j j 







j i j2SS? 



i 



J O t^ ,-(lO c^ 1 



I'^^io;^;^ 1 



H^ 1 F N 1 M I 



\^^ 



1 jocc 



I 1 1 1 1 I 



1 c3|?:?;3§^^§ issS2S25:;| i 



- 



111- 



^S 



j : 



C ^ 30 1 1 I 



Month 



ill 

 III 



1 



•< 



May 



June 



July... 



August 



September 



October 



November 



.December 



January 



February 



May 



June 



August 



September 



October 



November 



IJl 



III 



ill 



=51 





j i i j i j 1 



*» I 1 1 1 1 



§ 1 ;« ; ; 



= 53^33 





1 



i 





a 

 2 

 o 









i 





1 



1 



s 



2 



'5 



c3 



I > 



li 



i '5 1 



