66 THE SUGAE-BEET WIEEWOEM. 
Page. 
Early planting against sugar-beet wireworm 61 
Elaterids in sugar-beet fields, comparison with Limonius calijornicus 13 
Euphagus cyanocephalus, enemy of Limonius calif onucus beetles 47 
Flycatcher, ash-throated. (See Myiarchu^ cinerascens cinerascens.) 
Fungous diseases of Limonius califoimicus 47-48, 49-r)0 
Grass, Johnson. (See Sorghum haleperise.) 
Ground-beetles. {See Carabidse.) 
Guano fertilizer against sugar-beet wireworm 61 
Gull, sea. (See Larus sp.) 
Insects found with Limonius calif ornicus 12-13 
Johnson grass. (See Sorghum halepense.) 
Kerosene against sugar-beet wireworm 52. 54, 55 
emulsion against sugar-beet wireworm 52, 54-55 
Killdeer. (See Oxyechus vocifei-us.) 
Lanius ludovicianus gambeli, enemy of Blapstinus sp -. 46 
Limonius californicus beetles 46, 47 
Larus sp. . enemy of Limonius californicus 48 
Lead chromate against sugar-beet wireworm 52. 58. 60 
Limonius californicus, adult, ability to withstand unta^'orable conditions 40 
actiAdty, beginning of period 33-34 
appearance in spring 33 
cages used in rearing .* 36, 37 
description 14 
duration of life under varying conditions 37-38 
effect of temperatiu'e thereon 39. 40 
emergence 32 
actions thereafter 41-42 
period , 32 
endurance when submerged in water 38 
life history and habits 32-42 
mating 40-42 
actions thereafter 41-42 
oviposition 42 
variation 34-35 
adults from emergence to hibernation 42-43 
bibliography 64 
classification - 13 
control, natural 46-50 
descriptions of stages 14-16 
distribution 16 
dissemination 45, 46 
egg, description 14 
length of stage 20 
life history 18-20 
time and place of deposition 18-19 
eggs, number and hatching 19-20 
emergence from hibernation gradual 43-44 
enemies and checks 46-50 
food plants 16-17, 35-36 
fungi affecting pupae and eggs 49-50 
habits and life history - . - 18-42 
hibernation 43 
"secondarv " 33, 44^5 
