Plate X. Fig. 38. — Boll showing two locks destroyed by two feeding 



punctures made by a male weevil 56 



Fig. 39. — Square showing external appearance of two egg punc- 

 tures 56 



Fig. 40. — Wart formed on side of square in healing an egg punc- 

 ture : 56 



Fig. 41. — Egg deposited on inside of carpel of a boll 56 



Fig. 42. — Normal and flared squares 56 



XI. Fig. 43. — Three large larvae in a boll 64 



Fig. 44. — Four pupal 'cells from bolls on left compared with four 



cotton seeds on right 64 



XII. Fig. 45. — Device used to test attraction of molasses in the field 



in spring 64 



Fig. 46. — Fallen squares on ground in field 64 



Fig. 47. — Squares dried and still hanging upon the plant 64 



Fig. 48. — Device used to test relative attractiveness to weevils 



of American and Egyptian squares 64 



XIII. Fig. 49. — Device used to test effect of temperature upon weevil 



activity 80 



Fig. 50. — Comparison of pilosity on " King " (at left) and £: Mit 



Afifi'' (at right) stems-.: 80 



Fig. 51. — Locality found very favorable to hibernation of many 



weevils 80 



XIV. Figs. 52 and 53. — Mexican cotton boll weevil (Anthonomus 



grandis) 80 



Fig. 54. — Lixus sp _ _ . 80 



Fig. 55. — Acorn weevil {Balaninus uniformis auct.) a, female, 

 dorsal view; b, same, lateral view; c, head, snout, 



and antenna of male 80 



Fig. 56. — Apple curculio ( Coccotorus scutellaris) 80 



Fig. 57. — Plum gouger (Anthonomus prunicida) 80 



Fig. 58. — Desmoris scapalis 80 



XV. Figs. 59 and 60. — Transverse Baris (Baris transversa) 96 



Fig. 61. — Cenirinus penicellus : 96 



Fig. 62. — Coffee bean weevil (Arcecerus fasciadatus): a, larva; 



b, beetle; c. pupa 96 



Figs. 63 and 64. — Chalcodermus ceneus 96 



XVI. Figs. 65 and 66. — Sharpshooter (Homalodisca triqnetra) 96 



Fig. 67. — Cotton stainer (Dysdercus snturellus) 96 



Fig. 68. — Cotton stalk borer ( Ataxia crypto) 96 



Fig. 69. — Imbricated snout-beetle (Epiecerus imbricatus) 96 



Fig. 70. — A snapping beetle (Monocrepidius vespertinus) 96 



TEXT FIGURES. 



Fig. 1 . Map of area infested by weevil . . 17 



2. Mexican boll weevil, head showing rostrum and antennae 38 



3. Diagram showing activity of 5 female weevils 64 



4. Bracon mellitor 106 



5. Enemy of boll weevil, Pediculoides ventricosus 107 



6. Solenopsis debilis var. texana 109 



