COTTON BOLL WEEVIL IN THE MISSISSIPPI VALLEY. 



15 



vi 



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 ■S 



"el 

 3 

 TJ 

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'S 



3 

 >> 



£2 



T3 

 . 03 



o 



3 



n 



P 



Eh 



>> 

 a 



03 



i W> 



O 



Per- 

 centage 



eggs 



pro- 

 ducing 

 adults. 



I MOCONNO 



00 t> 00 CO CO lO 

 <N i-Hi-H CM 



5.56 



7.69 



11.76 



21.43 



:gc§8 





8.51 

 16.67 

 16.67 

 15.31 

 35.38 

 20.27 

 16.28 

 28.07 



■ 1000 . 

 ;CMco • 



• i>^ id • 



• i-ICO • 



PL,"" M 



S^CN COO 



cs Tii -* co id cm r- 



^H -* CO ■* 



t^cOcO 





'OO OOCMOO^t- 



TPcdirtcdcdcd-*cd 



• 0000 



• co r-^ i-i 



"tf CD f*> 

 P CD C3 



00 00 O ■* CM t- 



cm cm m oo i-h i-i 



i-H i-l CN 





i*Offi 



Tf OO 



CO i-H 





(Dt^ONMNHO 



KJHttOOOON 



i-l CMCOCMi-HCN 



5 : 



cm" • 





Total 

 wee- 

 vils 

 bred. 



OiCM i-i 0> ^H i-l 



— li-HCMCO 



CO CM 00 





■*03COiOCOiOt^O 



I-H CN 1-1 ^H 



00 • 



?5 



Female 

 devel- 

 opmen- 

 tal 

 period. 



Days. 

 13.7 

 



13.5 

 13.6 

 12 

 17 



OO* -* 



lOi-H CO 



coco ■* 





co^fr- co 

 coco-*-*cdcd-^cd 



■ CO 



00 



t^CN 

 1-1 1—1 



Eh ^ 



HOHONN 

 -* 001OHH 



OOOffl 

 i-H CM 



t^ ■* CO 

 CM 00 rp 





^HCO^CNCOOSCMO 



as ■ 





Fe- 

 male 

 wee- 

 vils 

 bred. 



eOOCOHHH 



OOHN 



CM^CO 





i-HCOCOC33 0t^CMOO 



00 • 



Tt<0 

 1-1 



Male 

 devel- 

 opmen- 

 tal 

 period. 



^JiO oo-* 



i-H Tjl CO IO ' 



»OCM 



r--*cd 





13.3 



13 



16 



13 



13.8 



13.9 



14.6 



13.9 



• as 00 



• cd t> i-5 



>H 03 c3 



r~oo 05 t^-o O 



OOCNCOO ■ 



i-l TjH CO Ifi '• 



rococo 



iHHO 





000 00 00 03HCOH 



3 : 



CM • 







CO CM iO 00 O © ■ 



""I 



^HOOtO '• 





CO CO CO CO CO 00 "0 00 



CJ> • 



"OO 



03 



1 



3 



o 



o 



< 



Period 



last 



egg to 



death 



of 

 female. 





^f^HtMi-l 



OOCOHHOCOffiNCScSNMOiONNCOTf 



CM CO 

 CM . 



hiomo 



+a 03*0 



* 3 J? 

 Q 3 o> 



O^MHNO'*CBCOiOiOiOMCON(M(MLOOO'0-fH05H 

 CO -H CM CM CM CO i-H CM — 1 i-l CM CM i-H CM — l CM CN CN CM CM CO rH 



£3^ 333333^3=^33^3^33=3333 







03 



O 



0^ 



Ti 



CO 



60 





CO^iOCOC<ICNCMCOCMcMCOCMCOI>.-*CN^HiO»OiOCOiOiOcOiO 



NOONM 



C75 CO 



CO 



Aver- 

 age per 

 day. 



CM 



t^0000^<CNC0TjH0c0i0i-ic0i-lc3i^CMc0C0O-*t^c0OO 



IcO^^H 



CM CO i-5 CM ^h 1-1 i-H CM CN 



;^- 



13 

 o 

 EH 



cMt^oo-*>o-*oooocoi^-*cooia>Oi-icot^-*cooo'OTt<coi>. 

 coeqiOHH rHi-ii-ii-i co cm ^* cm -tfnocoascot^-'tfio 



1,032 



41.28 



129 



3 



03 K*» 



HA 



OHOOHN^CCOHONONHOINCOOHCOCOINOO 



10 100 



CM CO 





CMC0CT>^l^CM-*O00C0i*l-<lH05t-C75CMi-lrHTtHlOL0O5CMC0t^ 



CO CM •* r-i ^H ^H i-H CNCOi-i MUJCOOOiONTtio 



f^OO t^ rH 



OCN CN 



CO 



Ovi- 

 posi- 

 tion 

 pe- 

 riod. 



oocnt^^Hcoor^^H-*cj20co-*i-iioai>oio^tioocMooiocMoo 



CNCOt--*cOCNCNTjHCMiOCN-*COTticO^'-(l^CO'-it^CO"*CNCN 



OOM.O 

 Oi*NH 

 O 



Date 

 oviposi- 



tion 

 ended. 



»0(NO)wX(»C7:0'*i*ONNlOMMMNtOON'*MN 

 CM i-i CN i-h CN CM i-HCO CO iH i-l i-H iH CNiHCNCMCNCN 



33333 3 33 3 33 3 13 3 l^^ B^SSSS 



: is 



^c5'> 





Date 

 oviposi- 



tion 

 began. 



cm iMaooNoiNNOJioioNHOoio^aoiooiNo 



CDqO3O3cDCDcDO303CDCDCDCDCDCDCDCDCDCDCDCDCDCDcDCD 



3,g 33303333333333333333333 

 3.33333333333333333333333 



(-5 • 1-5 h-5 h-s H-5 1-5 l-S Hs H5 H5 (-5 h-5 t-j h^ I-5 l-J Hj Kj I-5 l-j Hj (-J Hj Hj 



Date 

 female 



col- 

 lected. 



CD 





>^a 



EH-<§§ 



CM 





OOOOO 



PPflflP 



O 



OOOOO 



O O CD O 







OOOOOOOO 





