44 PRELIMINARY REPORT ON ALFALFA WEEVIL. 



Page. 



Alfalfa, weevil, remedies, recommended by Utah Experiment Station 12 



street-sweeper experiments 27 



wire-brush experiment 27-28 



seasonal history and description ] 5-24 



spread in Utah and AYest 10 



Amaranth us retroflexus refused as food by alfalfa weevil 24 



Amblystoma sp.. enemy of alfalfa weevil 40 



Ambrosia psilostachya refused as food by alfalfa weevil 24 



trifida integrifolia refused as food by alfalfa weevil 24 



Anaphes sp. , parasite of alfalfa weevil 35 



.1 tragalus arietinus oviposited in by alfalfa weevil 17 



utahensis, food plant of alfalfa weevil 17. 24 



oreophilus eaten by alfalfa weevil 24 



Bean, string. (See Phaseolus vulgaris.) 



Birds, enemies of alfalfa weevil [ 15. 30-31, 40 



Bitterweed. (See Ambrosia psilostachya and A. trifida integrifolia. \ 

 Blackbird. Brewer's. (See Euphagus cy otocephalus.) 



thick-billed red-winged. (See Agelaius phceniceus fortis.) 

 yellow-headed. (See Xanthocephalus xanthocephalus.) 

 Bobolink. (See Dolichonyx oryzivoTUS.) 



Brush drag against alfalfa weevil \ 12 



Bufo lentiginosus woodriousei, enemy of alfalfa weevil 40 



Burning machine against alfalfa weevil 29-30 



Canidiella curculionis, parasite of alfalfa weevil 38 



Carpodacus mexicanus frontalis, enemy of alfalfa weevil 40 



( '/'( no podium album refused as food by alfalfa weevil 24 



Chick pea. (See Pea, chick.) 



Chinch bug (Blissus leucopterus), prey of Eleodes suturalis 32 



Chondestes grammacus strigatus, enemy of alfalfa weevil 40 



Chrysopa . (See Lace-wing flies . ) 



Cicindela imperfecta, enemy of alfalfa weevil 31 



Clean culture to prevent alfalfa weevils from hibernating 12 



< 'Lome serrulata eaten by alfalfa weevil , 24 



Clover, alsike. (See Trifolium hybridum .) 



food plant of clover-leaf weevil (Ilypera punctata) 15 



leaf weevil (Ilypera punctata) (see also Phytonomus punctatus). 



damage to clover 15 



first appearance in Idaho and Utah 15 



red. (See Trifolium pratense.) 

 white. (See Trifolium repens.) 



sweet. (See Melilotus alba.) 

 yellow sweet. (See Melilotus indica .) 



Coccinella 9-notata, enemy of alfalfa weevil 31 



Colaptes cafer collaris, enemy of alfalfa weevil 40 



( 'ollops bipunctatus, enemy of alfalfa weevil 31 



Cowbird. (See Molothrus ater.) 



Cultivation against alfalfa weevil 29 



in connection with irrigation against alfalfa weevil 29 



I discing against alfalfa weevil • 12 



Dolichonyx oryzivorus, enemy of alfalfa weevil 40 



Hove, mourning. (See Zenaidura macroura.) 

 Drag. {See Brush drag.) 



■<h s suleipennis, enemy of alfalfa weevil 32 



suturalis, enemy of chinch bug (Blissus leucopterus) 32 



