178 



Insects mistaken for the boll weevil — Continued. Page, 



Snowy tree cricket. See CEcanthus niveus. 

 Strawberry weevil. See Anthonomus si(jnatus. 

 Striped Baris. See Bark striata. 

 Sunflower weevil. See Besmoris constrictus. 

 Tobacco stalk weevil. See ■ Trichoharis mucorea. 

 Transverse Baris. See Baris transversa. 



Tribolium feTTugineum , attacks cofcton seeds -. 67 



Trichoharis mucorea, attacks tobacco stalks . . . . . . » 67 



Trichoharis texana, attacks stems of Spanisb thistle 67 



Tychius sordidus, attacks buckweed 67 



Waved sharpshooter. See Oncometopia undaia. 

 White pine weevil. See JPissodes sirobi. 

 Willow weevil. See Dorytomus mncidus. 

 Legislation. See under Control, artifieiaL 



Leaf area of cotton, increase in ,.^ - 58 



Leafvvorni. See Alabama argillacea. 



Life cycle. See under Life history; Reproduetian. 



Life history , 30-48 



Adult 39-48 



Before emergence from square 39 



Cannibalism occasioiiall}^ noted when without food .-. 48 



Changes after emergence, in color and hardness 40 



Color, variation in 42-43 



Description of adult, popular and technical .. . 40-41 



Duration of hfe 44-48 



Bolls alone as food 46 



Foliage alone as food 46 



Squares alone as food 44-46 



Without food but with water.... .._ 47 



Without food or water 47-48 



With sweetened water as food ., 47 



Emergence of adults from squares and bolls 39-40 



Egg, description of . 31-34 



Deposited outside, eating of 33-34 



Deposited outside, hatching of 33 



Embryo, development observable -31-32 



Hatching, method 33 



Hatching, percentage of eggs. 34 



Stage, duration of 32-33 



Food habits .., -.... 48-66 



Adult, female, for food and for o viposition _ 52 



Adult, male 51 



Choice, American or Egyptian squares 61-64 



Cotton-seed meal, is it attractive? _ 68-70 



Field tests prove non-attraction 69-70 



Laboratory tests indicate non-attraction 68-69 



Destruction of squares by feeding.. 59 



Feeding, destructive power by , 61 



Feeding, effects upon squares and bolls 59-60 



Feeding of hibernated weevils on early cotton 52-56 



Eood plant, has the weevil any other? 64-66 



Food plant, susceptibility of various cottons -. 61-64 



Larva, feeding of 49 



