16 INDEX TO MISSOURI ENTOMOLOGICAL REPORTS. 



Page. 

 The Chinch Bug Continued. 



Lacewing larva seizes its prey, 26 ; The Insidious Flower-bug,. 27 ; the 

 Common Quail, 28 Amount of damage done by the Chinch-bug, 28 

 Remedies, 28 Burning in winter the old corn-stalks and other dead 

 stuff on and near the fields, 29 Mixing winter rye among spring wheat, 

 29 Intercepting the marching Bugs by fence-boards, 29 Sowing 

 gas-lime, 30 Other remedies, 30 Bogus Chinch Bugs, 31 Several 

 species of Heteroptera confounded with the true Chinch Bug, 31 

 The smell emitted by the Half-winged Bugs, 32 The Insidious Flower- 

 bug, 32 The Ash-gray Leaf-bug and its injury to grape-vines, 33 

 The Flea-like Negro-bug. 33 ; injury caused by it to raspberry, straw- 

 berry, and garden flowers, 34 Two other species of Negro-bug, 35 

 Recapitulation of the natural history of the Chinch Bug, 36. 

 The Army Worm 37 



Four distinct caterpillars designated as Army Worms in this country, 37. 

 THE TENT-CATERPILLAR OF THE FOREST 37 



It cannot properly be called an Army Worm, 37. 

 THE COTTOX AVoR.M 37 



Historical data on the injury caused by it, 38 The egg, 38 The worm 

 and its habits, 39 Mr. Lyman's incorrect account of its development, 

 39 The moth and its habits, 40 Its hibernation, 40 Remedies, 41. 

 THE SOUTHERN GRASS-WORM 41 



It resembles in habits the veritable Army Worm, 41. 

 THE TRUE ARMY WORM 41 



Its past history, 41 Rev. Powers' account of its invasion in the New 

 England States in 1770, 42 Accounts of later invasions previous to 

 1' W G1, 43 Years of its appearance in Illinois, 43 The invasion of the 

 year 1801, 44 Its appearance in Missouri in 18G9, 44 Its sudden ap- 

 pearance and disappearance, 45 Reason for the apparently sudden 

 appearance, 45 Army Worm years are wet with the preceding year 

 dry, 46 Reason for the increase and decrease of the number of worms, 



46 Its natural history, 47 Previous accounts of its natural history, 



47 When the eggs are laid, 47 Where they are laid, 48 Misdirected 

 instinct iu insects and birds, 48 Exceptions to the normal habit of the 

 Worm, 48 Color of the Worm, 49 The chrysalis and imago, 49 

 Parasites, 50; The Red-tailed Tachiua-fly, 50; Its beneficial work, 50; 

 It infests also other insects, 50 ; Walsh's description of the fly, 51 ; It 

 has been re-described as Ej-orinta OstenSackenU. 51 ; The Yellow-tailed 

 Tachina-fly, 51 ; Description of the fly, 51 ; The Glassy Mesochorus, 

 52 ; The Diminished Pezomachus, 52 ; The Military Microgaster, 52 ; 

 The Purged Ophion, 53: The Army- Worm Ichneumon-fly, 53 Habits 

 of the Army Worm and suggestions for its destruction, 53 Biirning 

 grass meadows in winter or early spring, 54 Plowing late in the fall, 



54 The marching of the Worms, 54 Plants they prefer, 54 They 

 become beneficial by devouring the chess in the fields, 55 Ditching, 



55 Description of the insect as larva and imago, 56. 



Insects infesting the Sweet-potato 56 



TORTOISE-BEETLES 57 



The Clubbed Tortoise-beetle affects the Irish Potato, 56 Its general ap- 

 pearance, 57 Characteristics of Tortoise-beetles, 57 Merdigerous 

 habits of Tortoise-beetles and others of the same family, 58 General 

 appearance of the larv;e, 58 Their dung parasol, 59 Larval molts, 

 59 Egg of Tortoise- beetles, 60 The chrysalis, 60 Habits of and 

 injury done by the beetles, 60 Remedies, 61. 



