10 INDEX TO MISSOURI ENTOMOLOGICAL REPORTS. 



Page. 

 The Periodical Cicada Continued. 



count of its supposed stinging powers, 26 Explanations of the sting, 

 27 Injury caused by the insect, 29 by the larva, 29 by the imago, 

 29 Fruitless attempts to stop the injury, 30 Chronological table of 

 ail well-ascertained broods in the United States, 30 The insect will 

 appear during the next 17 years somewhere in the United States every 

 year except in 1673, 41 Number of broods that will appear in the next 

 17 years in the different States, 42. 



Apple-tree Borers 42 



THE ROUND-HEADED APPLE-TREE BORER 42 



It is more numerous in trees on high laud than on low ground, 42 Extent 

 of its injury, 43 Its larva, 43 Appearance of the imago, 43 - The 

 hole made by the young larva, 44 It remains nearly three years in the 

 larva state, 44 Its pupa state, 44 Remedies, 45 Alkaline washes, 

 45 Killing the larva by hot water, 45 Cutting out the larva, 46. 

 THE FLAT-HEADED APPLE-TREE BORER 46 



Differences between it and the foregoing species, 46 Habits of the beetle, 

 47 Amount of injury caused by it, 47 Parasite attacking it, 47 

 Remedies, 47. 

 The Peach Borer 47 



Its nature, 47 Differences in the sexes, 48 Remedies, 48 The mound- 

 ing system the best remedy, 48 Testimony as to the value of the 

 mounding system, 48 Other remedies, 49. 

 The Plum Curculio 50 



Difference of opinion among authors on some points in its natural history, 

 50 Reasons for this difference of opinion, 51 Facts in its natural 

 history, 52 It causes the spread of the peach-rot, 52 Fruit trees at- 

 tacked and those not attacked by it, 53 It may hibernate as larva or 

 pupa, but does generally as imago, 53 Mode of egg-laying, 54 It 

 has one annual brood, 55 Walsh's experiments to show that it is two- 

 brooded, 55 Natural remedies, 56 No parasites known to infest it, 

 56 Enemies, 57; The Pennsylvania Soldier-beetle, and its larva, 57; 

 Lacewiug-larva, 57; The Subaiigular Ground-beetle 58; Ground-bee- 

 tle larva, probably of the Pennsylvania Ground-beetle, 59 Hogs as 

 Curculio destroyers, 59 Artificial remedies. 60 Jarring the trees the 

 most effectual method, 60 Dr. Hull's Cnrculio catcher 60 Lessons 

 for the fruit-grower from the account of the Curculio, 62. 

 The Codling Moth or Apple Worm 62 



It is common wherever apples are grown, 62 Description of the insect in 

 its different states, 63 Its life-history, 63 Other fruits attacked by 

 it, 64 Remedies, 65 Picking up the fallen fruit, 65 Entrapping 

 the worms the best remedy, 66 Trimble's hay band system and how 

 to apply it, 66 Attracting the moth by fires, 67. 

 Cut- worms 



The natural history of twelve distinct species, 67 Definition of the term 

 "Cut- worm", 67 Habits of Cut-worms, 67 Their natural history 

 briefly given, 68 Difficulty of breeding them in captivity, 69 Climb- 

 ing Cut-worms, 69 Injury done by them to orchards, 69 Fruit trees 

 and shrubs they attack, 70 They attack large trees, 71. 

 THE VARIEGATED CUT-WORM 



The full-grown larva, 72 The eggs, 72 Habits of the larva, 72 Cut- 

 worm moths deposit their eggs on the leaves and not on the ground, 

 73 The imago, 73 Description of the insect as larva, pupa, and 

 imago, 74. 



