152 PAPERS ON CEEEAL AND FORAGE INSECTS, 



Page. 



Crop rotation against corn root-aphis 106 



"meadow maggots " 130-131 



short, against clover-root cnrculio 38 



Crow. (See Corvus brachyrhynchos .) 



Cuckoo, black-billed. (See Coccyzus ery thro phthalmus.) 



Kamchatkan. (See Cuculus canorus telephonus.) 

 yellow-billed. (See Coccyzus americanus .) 



Cuculus canorus telephonus, enemy of Tipulidae 129 



Cudweed. (See Gnaphalium purpureum.) 



Cultural remedies against clover-root cnrculio 38 



corn root-aphis 106-107 



cowpea curculio 146 



' ( meadow maggots " 130-131 



slender seed-corn ground-beetle 27 



sorghum midge 58 



' ' Cutworms, ' ' erroneous local name for larvae of Tipulidse 119 



Cyanocitta cristata, enemy of Tipulidae 129 



stelleri, enemy of Tipulidae 129 



Cyanospiza amcena, enemy of Tipulidse 130 



Cynara scolymus. (See Artichoke, French.) 



"Daddy-long-legs," name for adult Tipulidae 119 



harvest spiders (Phalangidse) 119 



Dahlia, perhaps food plant of Aphis maidi-radicis 97, 1 11 



possible food plant of Aphis middletoni 113, 115 



Dandelion, dwarf. (See Krigia virginica.) 



Dean, W. Harper, paper, "The Sorghum Midge (Contarinia [Diplosis] sorghi- 



cola Coq.)" 39-58 



Dendroica sestiva, enemy of Tipulidae 130 



auduboni, enemy of Tipulidae 130 



Dicranomyia venusta, swarming 128 



Digitaria sanguinalis, food plant of Aphis maidi-radicis 102 



Diodia teres, food plant of Aphis maidi-radicis 101-103 



virginiana, food plant of Aphis maidi-radicis , 101, 103 



Dip losis sorghico la. (See Contarinia sorghico la . ) 



Disonycha collata on Amaranthus spinosus 56 



glabrata on Amaranthus spinosus 56 



Distichlis spicata, food plant of Hemileuca oUviae, 79 



Dock. (See Rumex crispus and R. altissimus.) 

 Dog fennel. (See Anthemis cotula.) 



Dolichonyx oryzivorus, enemy of Tipulidae 129 



Dorymyrmex pyramicus, attendant on Aphis middletoni 116 



Dryobates pubescens, enemy of Tipulidae . 129 



Dumetella carolinensis, important enemy of Tipulidae 129 



Empidonax difficilis, enemy of Tipulidae 129 



fiaviventris, enemy of Tipulidae 129 



minimus, enemy of Tipulidae 129 



trailli, enemy of Tipulidae 129 



virescens, enemy of Tipulidae 129 



wrighti, enemy of Tipulidae 129 



Empusa (Entomophthora) sphserosperma, fungous enemy of Phytonomus nigri- 



rostris 11-12 



sp., fungous enemy of Pachyrhina ferruginea 130 



