9 



Plate X. Fig. 88.— Boll showiiag two locks destroyed by two feeding 



piinctures 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 foiTr 



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. 40.— Device used to test effect of temperature upon weevil 



activity ,S0 



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 , gQ 



XIV. Figs. 53 and 53.— Mexican cotton boll weevil {Anthonomns 



graiidis) ._ gO 



Fig. 54. — Lirus sp . . . 80 



Fig. 55.— Acorn weevil {Balaninus nniformis and.) 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 goiTger {Anthonomns prunicida) 80 



Fig. 58. — Desmoris scapalis 80 



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



Fig. 01. — Ceritrintis peniceUus 96 



Fig. 03.— Coffee bean weevil {Arceceriis fascicnlatus): u, larva: 



h, beetle; c. pupa 96 



Figs. 03 and 64. — Chalcodermus cenens 96 



XVI. Figs. 65 and 66.— Sharpshooter {Honialodisca triqnetra) 96 



Fig. 07.— Cotton stainer ( Dysdercits suturellus) 96 



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



Fig. 69.— Imbricated snout-beetle {Epic(erus imbricatns) 96 



Fig. 70.— A snapping beetle {Monoerepidius vespertinus) . _ 96 



TEXT FIGURES. 



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



3. Mexican boll weevil, head showing rostrum and antennee 88 



3. Diagram showing activity of 5 female weevils 04 



4. Bracon ladlitor IQg 



5. Enemy of boll weevil, Pediculoides venlricosns 107 



6. Solenopsis debilis var. texana 109 



