NDEX. 



Alabama argillacea. (See Leaf-worm, cotton.) Page. 



Ants, factor in control of boll weevil 10, 



24-25, 27-29, 30, 31, 33, 34, 37, 38,40^1,42,43-44, 

 45-46, 47, 48, 49-50, 51-53, 54-59, 00, 01-02, 03, 74, 75 



Balance in nature 



Birds, factor in control of boll weevil 19, 22-23 



Bolls, fallen, boll weevil mortality 28-29, 30, 31-33, 51, 54-00, 01-02, 75 



proportion destroyed by boll weevil versus natural causes 05-06, 



09, 71, 72, 70 



hanging dried, boll weevil mortality 27, 30, 31-33, 51, 54-60, 01, 75 



proportion destroyed by boll weevil versus natural causes. 00, 



07, 70-71, 72, 76 



proportion among fallen cotton forms 64, 76 



retention by plant of those dead 26 



versus squares, mortality of boll weevil 33-35, 74 



Boll weevil, abundance and injuriousness as affected by humidity 11-12 



area infested in United States 23 



control by ants 19, 



24-25, 27-29, 30, 31, 33, 34, 37, 38,40-41, 42, 43-44, 

 45-40, 47, 48, 49-50, 51-53, 54-59, 00, 01-02, 03, 74, 75 



birds 19, 22-23 



climatic conditions 1 1-19, 37, 38-43, 74 



collection of fallen forms 64-05, 76 



cultural conditions 43-51, 74 



destruction of cotton stalks in fall 18-19, 73 



heat and drying 19, 23, 



27-29, 30, 31, 32, 34-35, 30, 37, 38, 40-4 1, 42- 

 43, 47-50, 51-53, 54-59, 00, 01, 02, 03, 74-75 



leaf-worm (Alabama argillacea) 19, 20, 21-22, 73 



parasites 19, 20-21, 23, 20, 27-29, 30, 31, 33, 31 37, 



38, 40-41, 42, 43-44. 49, 50, 51-53, 54-59, 00, 01, 62, 03, 74, 75 



proliferation 19, 20. 33, :'>:> 



Solenopsis geminata 33 



(See also Ants.) 



wide spacing of cotton plants 45-47, 75 



winter conditions in Louisiana l(i 17 



developmental period, average length :!."> 



dispersion in Louisiana , 10 



emergence signs in cotton square L' I 25 



in Louisiana, control by winter conditions 16-17 



dispersion 16 



mortality affected by rainfall 13 I •">. 



17,37,38 39, 10 M. 12 13, 17 ">o. 7:> 

 temperature Ll-19, 37, 40-43, 47 50, 7:;. 7 1. 7."> 



77 



