INDEX. 
67 
Page. 
Limonius calif ornicus, historical - - H 
injury to beets - - - - 26-27, 29 
insects found therewith 12-13 
larva, description 14-15 
duration of life without food 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 m 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 plo\\dng for destruction of pupae. . 51 
historical 50 
poisoned baits 50-51 
seasonal history 42^6 
soil conditions affecting pupation 30-31 
summary 64 
synonymy 13 
Lophortyx californicus vallicola, enemy of Limonius calif ornicus 47 
Meadowlark, western. (See Sturnella neglecta.) 
Medicago spp. {See Alfalfa.) 
Mustard. (See Brassica niger.) 
Myiarchus cinerascens cinerascens, enemy of Limonius californicus 47 
Nettle, food plant of Limonius californicus 16 
Nicotine, free, solution, against sugar-beet wireworm 52, 57 
sulphate against sugar-beet wireworm 52, 57 
Nighthawk, western. (See Chordeiles virginianus henryi.) 
Oxyechus vociferus, enemy of 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 TAmonius californicus " 13 
Potassium cyanid and flour in poisoned baits against sugar-beet wireworm 60 
