182 THE MEXICAN COTTON-BOLL WEEVIL. 



Page. 



( lallirhoe (see also Mallow). 



buds, duration of life of boll weevils fed thereon 48 



in i nhicnitd, tested as food plant of boll weevil 32 



Cardinal. (Sec Cardinalis cardinalis.) 



i 'ardinalis cardinalis, enemy of boll weevil 146 



( lareless weed. (See Euphorbia.) 



< lastor bean plants, futility against boll weevil 155 



( 'athartu8 gemellatus, enemy of boll weevil 138 



( 'atolaccns hunteri, enemy of boll weevil 14 1 



incertus, enemy of boll weevil Ill 



( 'erambycobius cushmani, enemy of boll weevil ]41 



cyan ia ps, enemy of boll weevil 141 



sp", enemy of boll weevil 14] 



( lhain cultivator, use against boll weevil 151 



Chalcodermus xneus attacks cowpea pods 30 



breeds in cotton squares 30 



mistaken for boll weevil 30 



Chat, yellow-breasted. (See Icteria virens.) 



i 'hauliognathus spp., enemies of boll weevil 137 



( Ihickadee, Carolina. (See Penthestes carolinensis.) 



< hina-berries attacked by Ars&cerua fasciculatus 30 



( 'hondestes grammacus, enemy of boll weevil 140' 



( *hordt iles virgin ian us, enemy of boll weevil 14(J 



Climate, factor in boll- weevil control 120-132 



mortality 120-132 



Climatic conditions, factor in boll-weevil control 120-132 



influences on vitality and activities of boll weevil 121-1 22 



Cocklebur. (See Xanthium.) 



Coffee beans attacked by Arxcerus fasciculatus 30 



bean weevil. (See Arxcerus fasciculatus.) 



Cold, effect on boll weevil 19, 28 



Colinus virginianus, enemy of boll weevil 14G 



Colors, attractiveness to boll weevil 43 



Conotrachelus elegans attacks galls and nuts of pecan 30 



mistaken for boll weevil 30 



erinaceus mistaken for boll weevil 30 



leucophxatus attacks stems of careless weed (Euphorbia) 30 



mistaken for boll weevil 30 



naso attacks acorns 30 



mistaken for boll weevil 30 



nenuphar (see also Plum curculio). 



attacks fruit of plums and peaches 30 



mistaken for boll weevil 30 



Convolvulus repens tested as food plant of boll weevil 32 



Cordyceps, fungous enemy of boll weevil 136 



Corn, duration of life of boll weevils fed thereon 48 



Cornstalks, hibernation shelter for boll weevil 101 



( ot ton, American Upland, susceptibility to boll-weevil attack 45, 46 



baled, factor in dissemination of boll weevil 93 



bolls, duration of life of boll weevils fed thereon 49 



effect of feeding by boll weevil thereon 45 



old, attacked by Arxcerus fasciculatus 30 



pendent, indirect effect on boll weevil 135 



with thick walls, effect on boll weevil 136 



boll weevil. (See Boll weevil.) 



caterpillar. (See Alabama argillacea and Leaf worm.) 



Cuban, susceptibility to boll-weevil attack 45,46 



destruction of stalks as a means of boll-weevil repression 157-158 



determinate growth, effect on boll weevil 135 



early bearing, effect on boll weevil 135 



maturing varieties as a means of boll-weevil repression 160-161 



planting as a means of boll-weevil repression 160-161 



Egyptian, susceptibility to boll-weevil attack 45. 46 



fall destruction of stalks in relation to survival of boll weevil from hiber- 

 nation 111-112 



fertilization as an aid to boll-weevil repression 160-161 



(low crs attacked by Echthetopyga gossypii in Philippines 30 



