44 PKELIMI]N^ARY EEPOET 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 15-24 
spread in Utah and West 10 
Amaranthus retroflexus refused as food by alfalfa weevil 24 
Amhlystoma sp., enemy of alfalfa weevil 40 
Am hrosia psilostachya refused as food by alfalfa weevil 24 
trifida integrifolia refused as food by alfalfa weevil 24 
Anaphes sp. , parasite of alfalfa weevil 35 
Astragalus 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 cyanocephalus.) 
thick-billed red- winged. (See Agelaius phoeniceus fortis.) 
yellow-headed. (See Xanthocephalus xanthocephalus.) 
Bobolink. (See Bolichonyx oryzivorus.) 
Brush drag against alfalfa weevil 12 
Biifo lentiginosus ivoodhousei, enemy of alfalfa weevil 40 
Burning machine against alfalfa weevil 29-30 
CanidieUa curculionis, parasite of alfalfa weevil 38 
Carpodacus mexicanus frontalis, enemy of alfalfa weevH 40 
Chenopodium 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 
Cleome serrulata eaten by alfalfa weevil 24 
Clover, alsike. (See Trifolium hybridum.) 
food plant of clover-leaf weevil (Hyper a punctata) 15 
leaf weevil (Hypera 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 Mdilotus indica.) 
Coccinella 9-notata, enemy of alfalfa weevil. 31 
Colaptcs cafer collaris, enemy of alfalfa weevil 40 
Collops bipunctatus, enemy of alfalfa weevil 31 
Cowbird. (See Molothrus ater.) 
Cultivation against alfalfa weevil 29 
in connection with irrigation against alfalfa weevil 29 
Discing against alfalfa weevil 12 
Bolichonyx oryzivorus, enemy of alfalfa weevil 40 
Dove, mourning. (See Zenaidura macroura.) 
Drag. (See Brush drag.) 
Eleodes sulcipennis, enemy of alfalfa weevil 32 
suturalis, enemy of chinch bug (Blissus leucopterus) 32 
