148 PAPERS ON CEREAL AND FORAGE INSECTS. 



Page. 



Aphis maidi-radicis, natural checks _ 106 



preventive measures 106-108 



relation to ants 105-106, 110 



synonymy 111-113 



winged male, description 113 



maidis, identity 113 



menthx-radicis=Aphis maidi-radicis 103, 112-113 



middletoni , 113-118 



attendant ants 115-116 



comparison with Aphis maidi-radicis 114 



food plants, cultivated -. 115 



uncultivated 114-115 



history 113-114 



identity. 112 



laboratory and field experiments 116-118 



on Erigeron canadensis 98 



on Erigeron canadensis, identity 98, 113-114 



Aprostocetus diplosidis, parasite of Contarinia sorghicola 55-57 



Army worm, wheat-head. (See Heliophila albilinea.) 



Arsenicals against cowpea curculio 146 



Artichoke, French, perhaps food plant of Aphis maidi-radicis 97, 111 



possible food plant of Aphis middletoni 113, 115 



Aster, China or German, food plant of Aphis maidi-radicis 97, 109-111 



middletoni 113, 115 



treatment to avoid injury by corn root-aphis 110-111 



ericoides, food plant of Aphis middletoni 115, 116 



spp., food plant of Aphis middletoni 113 



subulatus, food plant of Aphis middletoni 114, 116 



Atheropogon curtipendula, food plant of Hemileuca olivix 79 



Bxolophus inornatus, enemy of Tipulidse 130 



Bartramia longicauda, enemy of Sitones hispidulus 37 



Beans, food plants of Aphis maidi-radicis 102 



Chalcodermus xneus 135 



Sitones puncticollis and S. lineatus 29 



Beard-grass, Hall's. (See Andropogon hallii.) 



Bird enemies of Hemileuca olivix 93 



Sitones hispidulus 37 



Tipulidse 129-130 



Bitterweed. (See Ambrosia artemisiifolia.) 

 Blackbird, bicolored. (See Agelaius gubernator.) 



Brewer. (See Euphagus cyanocephalus.) 



crow. (See Quiscalus quiscula.) 



red- winged. (See Agelaius phoeniceus.) 



yellow-headed. (See Xanthocephalus xanthocephalus.) 



" Blue bug, ' ' name in Carolinas for Aphis maidi-radicis on cotton 97 



Blue-joint. (See Agropyron smithii.) 

 Bobolink. (See Dolichonyx oryzivorus.) 



Boll weevil, cotton, Chalcodermus xneus mistaken therefor 133 



Bombycilla cedrorum, enemy of Tipulidse 130 



Bonasa umbellus, enemy of Sitones hispidulus 37 



Tipulidse 129 



Bouteloua hirsuta, food plant of Hemileuca olivix 79 



oligostachya, food plant of Hemileuca olivix 79 



racemed. (See Atheropogon curtipendula.) 



