INDEX. 99 



Page. 



Grape root, worm as affecting vineyards in Lake Erie Valley « 57-59 



beetle, beetles mistaken therefor 16-19 



related thereto 15-16 



description 21 



destruction 89-90 



seasonal history 22-33 



bibliography 93-97 



California. (See Adoxus obscurus.) 



control measures 59-89 



cultural method for destruction of pupae 61-C3 



description of stages 19-21 



(^estructiveness 14-15 



development and feeding of larva before wintering 35-£6 



distribution 12-13 



egg deposition, feeding before and after it 25-28 



mating and its bearing upon it 28 



period for season of 1909 31-32 



process 28 



variation in number of eggs per cluster 29 



depositions, numbers by individual females 29 



description 19 



Incubation period 33-35 



eggs, number per cluster, variation 29 



female beetle 30 



emergence of beetle 22-25 



experimental and rearing methods 44-50 



feeding and development of larva before wintering 35-36 



of beetle before and after egg deposition 25-28 



larva in spring 37 



food plants 13-14 



history 10-12 



injury, character 14-15 



insect enemies, parasitic 51-57 



predaceous 50-51 



introduction 9-10 



larva, description 19-20 



seasonal history 35-39 



life cycle as determined by rearing '. 40-41 



history, seasonal variations 41-44 



studies, summary 50 



longevity of male and fsmale beetles 32-33 



mating and its bearing on egg deposition 28 



natural enemies 50-57 



occurrence of larvae in different soils 36 



origin 12 



parasitism, double 56-57 



poison sprays against beetle in cages, experiments 64-65 



field, effect 63-64,70-75 



experiments 66-68 



position of pupa in cell 39 



post-larval stage 38-39 



preface 3-4 



preventive measures, evolution 59-61 



pupa, description 20-21 



destruction 61-63, 90-91 



seasonal history 39-40 



pupal cell, time and making 37-38 



period, duration 40 



pupation in field and in breeding cages, time 39-40 



process 39 



rearing and experimental methods 44-50 



recommendations for destruction of beetles 89 



pupae 90-91 



remedial measures for control 59-89 



renovation experiment on old vineyard 75-80 



young vineyard 80-83 



