184 DECIDUOUS FEUIT INSECTS AND INSECTICIDES. 



Codling moth in Michigan — Continued. Page. 



rearing material, source 33 



seasonal-history studies of 1909 3-6 



seasonal-history studies of 1910 6-31 



seasonal -history studies of 1911 32-66 



second-brood eggs, effect of temperature on time of incubation 58 



second-brood eggs, length of incubation 23-24, 55-58 



second-brood larvae, length of feeding period 25, 60 



second-brood larvae, time of hatching 24-25, 58-60 



second-brood larvae, time of leaving fruit 25, 60 



second generation 23-25, 55-60 



spring-brood moths, egg deposition by individual moths 38-40 



spring-brood moths, egg deposition in stock-jar experiments 40^41 



spring-brood moths, length of life 13, 41-42 



spring-brood moths, period of egg deposition 41 



spring-brood moths, time of emergence 3-4, 11, 37 



spring-brood moths, time of oviposition '. 12-13 



spring-brood moths, variation in size 11 



spring-brood pupae, length of pupal stage l 10-11, 35 



spring-brood pupa;, methods of recording pupation 8-9 



spring-brood pupae, relation of temperature to duration of stage 35-37 



spring-brood pupae, time of pupation 9, 34 



summary, general 84-86 



summary of seasonal-history studies of 1910 31 



summary of seasonal-history studies of 1911 65-66 



weather records for 1909, 1910, and 1911 66-70 



wintering larvae 6-8 



wintering larvae, cocoon 6-7 



wintering larvae, variation in size 7 



winter-killed larvae 7-8, 33-34 



Codling moth in Santa Clara Valley of California — 



band records of 1909 161-162 



band records of 1910 162-163 



band records of 1911 163-164 



comparative life-history studies for 1909, 1910, and 1911 170-171 



comparison of life history in 1910 and 1911 165-166 



control on pears and apples 171-180 



first-brood eggs 115 



first-brood eggs, incubation period 126-128, 150-151 



first-brood emergence v. overwintering emergence 164-165 



first-brood larvae 115 



first-brood larvae, larval life in cocoon 129-130 



first-brood larvae, number developing in one apple 128, 151 



first-brood larvae, period of feeding in fruit 128-129 



first-brood larva), time of hatching 1 28, 151 



first-brood moths, oviposition period 134, 154 



first-brood moths, time of emergence 117-118, 133-134, 154 



first-brood pupae 115-117 



first-brood pupae, length of stage 130-133 



first-brood pupae, time of pupation 130, 152-153 



first generation 115-118. 126-135, 150-155 



life cycle of first generation 1 34-135, 155 



natural enemies 160-161 



review of life-historv work of 1910 142-143 



