INDEX. 



179 



Page. 



Boll weevil, copulation, age at beginning 52 



• duration of act "^ 



description - 33-37 



development during winter -lot 



diseases 



dispersion. (-See Boll weevil, dissemination.) 



dissemination annually in square miles 27-^8 



artificial, intentional transportation 94 



movement of baled cotton 93 



cottonseed 92-93 



farm hands 93-94 



seed cotton 91-92 



vehicles 93 



as affected by leaf worm (Alabama argillacea) 87 



natural, causes ( 87 



'fall dispersion 87-90 



hibernation flight 90 



other forms of natural spread 90-91 



spring search for cotton 85-91 



spread withi n the field 86 



summer flights 86-87 



distribution - „?°7^J 



effects "thereon of flooding - -_ l6L idZ 



egg deposition. (See Boll weevil, oviposition.) 



description J™ 



duration of stage - b - ^ 



eggs eaten by adult when laid outside 



hatching - - -. 



of those laid outside of cotton fruit 64 



percentage Jjjj 



fall dispersion ioo i qi 



fatalities from temperature variations ....... L2J-L 31 



lower zone of temperatures causing it 128 



upper zone of temperatures causing it 126 



faunal zone limits 29 



fecundity 60-61 



fertility, duration ^ j*j 



fertilization 5_-o3 



first account of damage }■> 



food habits *b-M 



Plants U-jf 



generations y_ ' " 



hibernation i no 



activity during period - J03 



emergence therefrom 107-110 



activity of adults thereafter. . . 116-118 



longevity thereafter 114-116 



rate 108-110 



time 107-108 



entrance 96-99 



flight 90 



length of period, average 103-105 



extremes of variation 105 



relation of shelter thereto 105-106 



methods of study _ 95-96 



number of adults entering 98-99 



shelter , 100-102 



sources of weevils entering 96 



stages entering 96-97 



survival IjO- 114 



influence of climate thereon 112-114 



fall destruction of cotton stalks 



thereon 111-112 



shelter thereon 112 



time of entrance . . . . 97-98 



zone of temperatures causing it 127-128 



