42 INDEX TO MISSOURI ENTOMOLOGICAL REPORTS. 



Page. 

 The Rocky Mountain Locust Continued. 



veutiou, 131 Legislation, Loth national and local, 132 Bills before 

 the Forty-fourth Congress, 133 Need of a National Entomological 

 Commission, 133 The bounties offered in Minnesota, 138 The requi- 

 sites of a good bounty law, 13S, 139 How a bounty law would work. 

 140 Suggestions, 140 Lessons of year, 142 Locusts as food for man. 

 143 They have been used from time immemorial, and are used exten- 

 sively at the present day, 145 The Rocky Mountain species quite pal- 

 atable, 146 Mode of preparation, 147 False opinions and predictions, 

 148 Unnecessary alarm caused by other species, 148 Injuries of na- 

 tive species in 1875, 150 Locust flights in Illinois in 1875, 151 They 

 were composed of local species, 152, 153 Explanation of these flights, 

 154 Locust prospects in 1876, 155 No danger from them in Mis- 

 souri, 156. 



Tlie G rape Phylloxera 157 



The injuries not great in Missouri in 1875, 157 Completion of its natural 

 history, 157 Where the winged female lays her eggs. 157, 161 The sexed 

 individuals illustrated, 158 Description of the true female, 159 De- 

 scription of the impregnated egg, 159, 162 Practical considerations 

 growing out of these latest discoveries, 163 Decortication of the bark 

 to destroy the impregnated egg, 163 The insect may be imported from 

 one country to another on cuttings as well as rooted plants, 163 Best 

 time to attack the root-lice, 163 Phylloxera ravages in California, 



163 Great destruction around Sonoma, 164 Need of action by the 

 State authorities, 164 Occurrence of Phylloxera in the Southern States, 



164 Report of Committee appointed by the American Pomological 

 Society, 165 Its occurrence in Georgia, 166, 167 American Grape- 

 vines in Europe, 167 Large demand for our vines, 167 The American 

 vines flourishing in Southern France where the European varieties 

 perish, 167 The orders for some varieties exceeded the supply, 168- 

 Probable future demand, 168. 



INNOXIOUS INSECTS. 



The Yucca Borer 169 



The only North American Butterfly whose larva has the boring habit. 

 169 The arbitrary nature of classificatory divisions, 170 Butterflies 

 and Moths not easily separated, 170 Biological history of the spe- 

 cies, 171 Illustrations of all states, 171, 172 Habits of the larva, 171, 

 172, 181 Mode of pupation, 172, 180 Flight of the imago, 173, 181- 

 Position of wings when the imago rests or walks, 173 Bibliographical 

 notes, 173 Detailed descriptions of the different states, 174, 175, 181 

 Structural characters illustrated, 175 Affinities of the species, 176- 

 It is a true butterfly, belonging to the Hesperiaus, 178 Characters of 

 the Castnians contrasted with those of Hesperiaus, 176, 177, 178 In 

 classification it is better to widen than restrict in the higher groups, 

 179 Enemies of the Yucca Borer, 179 Concluding remarks, 179- 

 Uusafe to describe species from mere drawings, 179. 



NOXIOUS INSECTS Continued. 



Supplementary Notes on the Army "Worm 182 



Completion of its natural history, 182 O viposition of the Moth described, 



183 Eggs described, 183 Conclusions previously arrived at verified, 



184 Description of the different larval stages, 184. 



