INDEX. 67 



Limonius calif ornicus, historical 11 



injury to beets 26-27, 29 



insects found therewith 12-13 



larva, description 14-15 



duration of life without fo<xI 27-28 



emergence from egg 20 



habits 22-26 



injury to beets 26-27 



length of stage, approximate 24 



life history and habits 20-30 



molting 29-30 



newly hatched 20-21 



rearing cages used 21-22 



relation between size and abundance and injury 



in beet fields 29 



life cycle, approximate length 42 



history and habits 18-42 



losses due to work 11-12 



mating - 40-41 



mortality during hibernation 43 



names, common 13 



occurrence of beetles in field 45 



oviposition 42 



pupa, changes in color 31 



description 15-16 



^ length of stage 31 



life history 30-31 



vitality 31 



pupal cell 30 



pupation 30-31 



remedial measures 50-64 



deterrents against larvae, experiments 52-60 

 fall plowing for destruction of pupae. . 51 



historical 50 



poisoned baits 50-51 



seasonal history 42-46 



soil conditions affecting pupation 30-31 



summary 64 



sjTionymy 13 



Lophortyx californiciis vallicola, eneray oi Limonius caUfornkus 47 



Meadowlark, western. (See Sturnella neglecta.) 

 Medkago spp. (See Alfalfa.) 

 Mustard. (See Brassica niger.) 



Myiarchus cinerascens cinerascens , enemy of Limonius californicus 47 



Nettle, food plant of Limonius californiciis 16 



Nicotine, free, solution, against sugar-beet wire worm 52, 57 



sulphate against sugar-beet wire worm 52, 57 



Nighthawk, western. (See Chordeiles virginiunus kenryi.^ 



Oxyechusvocifcrus, enemy oi Limonius californicus 47 



Paris green in poisoned baits against sugar-beet wireworm •. . . . 51, 60 



Pigweed. (See Amaranthus retroflexus.) 



Platynus sp. in sugar-beet fields with TJmonius californicus 13 



Potassium cyanid and flour in poisoned baits against sugar-beet wireworm 60 



