INDEX. 103 



Pase. 



Boli weevil, hibernation, shelter outside of cotton fields 31-33 



summary and conclusions 95-100 



survival as affected by acclimatization 42-43 



time of entering hiberna- 

 tion and nature of shel- 

 ter 74-77,95,96,98 



by localities and cage sections 77-79 



sexes 84,86,88,91-93,99 



temperature, accumulated effective, as related to 



emergence 46-48,97 



conditions which produce it 20-25, 



40-41,95,96 

 temperatures, effective, as related to emergence 40-41, 



43-45 



time of entrance 15-16 



and nature of shelter as affect- 

 ing percentage of survival.-, 74-77 



infests squares more abundantly than bolls 11,95 



longevity after emergence from hibernation 48,83-90,97,99 



of fed weevils after emergence from hibernation.. 86-89,99 

 unfed weevils after emergence from hibernation. 84-86, 



97,99 



male characters, secondary 91-92 



males, proportion entering hibernation 16-17,95 



surviving hibernation 84,86-88,92,93,99 



number of adults entering hibernation 17-20,95 



sexes, proportion entering hibernation 16-17,95 



surviving hibernation 84,86,88,91-93,99 



sexual characters, secondary 91-92 



stages entering hibernation 13-14 



supply entering hibernation 11-13 



Boxes, piled, as hibernation shelter for boll weevil .' 49 



Brush as hibernation shelter for boll weevil • 39,42 



Canna leaves as hibernation shelter for boll weevil 35 



Chips as hibernation shelter for boll weevil 74 



Clean culture in control of boll weevil, importance 86-88,96 



Climatic conditions as affecting emergence of boll weevil from hibernation. 68-73 



entrance of boll weevil into hibernation _. 58-62 

 producing hibernation and activity of boll weevils dur- 

 ing normal hibernation period 57-58 



Cornfields and stalks as hibernation shelter for boll weevil 31 



shucks as hibernation shelter for boll weevil 36,38 



stalks as hibernation shelter for boll weevil 35,49^0 



Cotton as hibernation shelter for boll weevil 36 



bolls as hibernation shelter for boll weevil 14,25-30,35,38,74,75,96 



early planting in control of boll weevil, importance 87-88,93-94 



fall destruction of stalks in boll-weevil control, importance 8,87-88 



late planting in boll-weevil control, impracticability .. 8,89-90,93-94.97 

 leaf-worm. {See Leaf-worm, cotton.) 



leaves as hibernation shelter for boll weevil 36,49-50,99 



seed as hibernation shelter for boll weevil 32-33,36,39,42,96 



seed hulls as hibernation shelter for boll weevil 32 



seppa. {See Cotton, sprout.) 



