INDEX. 149 



Page. 



Bracon sp. , parasite of Phytonomus nigrirostris 11 



Brassica nigra, food plant of Aphis maidi-radicis 1 02, 104 



oleracea, food plant of Aphis maidi-radicis 104 



Brome-grass. (See Bromus polyanthus.) 



Bromus polyanthus, food plant of Hcmileuca olivix 79 



Broom corn, food plant of Aphis maidi-radicis 97 



Contarinia sorghicola 44 



Buchloe dactyloides, food plant of Hcmileuca olivix 79 



Buphthalmum salicifolium, food plant of Phytonomus nigrirostris 1 



Burning clover fields in winter to destroy clover-root curculio 38 



the range to destroy New Mexico range caterpillar 94-95 



Buteo platypterus, enemy of Sitoncs hispidulus 37 



Buttonweed. (See Diodia teres and D. virginiana.) 



Cabbage, food plant of Aphis maidi-radicis Ill 



Cajeput oil against slender seed-corn ground-beetle 24-26 



Calandra oryza, destructive to sorghum seed 39 



Callistephus hortensis. (See Asters, China or German.) 



Capsella bursapastoris , food plant of Aphis maidi-radicis 102, 104 



Carbolic acid against corn root-aphis 107 



slender seed-corn ground-beetle 24-25 



"Careless weed." (See Amaranthus spinosus.) 

 Catbird. (See Dumetclla carolinensis.) 



Catherpes mexicanus punctulatus, enemy of Tipulidse 130 



Cedarbird. (See Bombycilla cedrorum.) 



Chsetura pelagica, enemy of Sitones hispidulus 37 



Chatcis ovata, parasite of Hcmileuca olivix 88 



Chalcodermus xneus 133-146 



adult, description 136-137 



habits and life-history records 142-143 



bibliography 146 



description , 136-137 



distribution 134, 135 



egg, description 136 



life-history records 138-140 



feeding habits 137-138 



food plants 135-136 



habits 138-143 



larva, description 136 



habits and life-history records 140-141 



life-history records 138-143 



mistaken for cotton boll weevil 133 



parasites 144-146 



published records 134-135 



pupa, description 136 



life-history records 142 



remedies 146 



seasonal history 143-144 



Chamxafasciata, enemy of Tipulidae 130 



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



Chenopodium album, food plant of Aphis maidi-radicis 101, 103, 104 



Chickadee, black-capped. (See Penthestes atricapillus .) 

 Carolina. (See Penthestes carolinensis.) 

 mountain. (See Penthestes gambeli.) 



