BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 339 



2343. EILEY, C. V. Continued. 



CHAPTER VII Continued. 



cial drought produces the same effect, 84 Indirect influences of 

 wet weather in favoring the development of the worms, 85 Im- 

 munity of the worms from their enemies in wet weather, 85 

 Drowning of ants by heavy showers, 85 Wet weather prevents 

 poisoning and working the cotton, 85 Letter from J. W. Du Boae 

 on the influence of winds on Aletia, 85-86. 



CHAPTER VIII: 



Natural enemies 87 



General remarks, 87 Importance lessened by the use of arsenical 

 poisons, 87 Vertebrate enemies. 87 Quadrupeds, 87 Birds, 87 

 English sparrow, 88 Toads and lizards, 89 Invertebrates, 89 

 Spiders, 89 Ants, 90 Species of ants destroying Aletia, 90 

 Hubbard's observations on ants, 92 The leaf-cutting ant, 94 

 Wasps, 94 Coleoptera, 95 Tiger-beetles, 95 Ground-beetles, 

 95 Lady-birds, 96 Soldier-beetles, 96 Heteroptera, 97 List of 

 species, 97 Diptera, 99 Orthoptera, 99 Neuroptera, 100 Lepi- 

 doptera, 100 Parasites, 101 List of species, 101 The Tricho- 

 gramma egg-parasite, 102 The cotton-worm Microgaster, 104 

 Comstock's Euplectrus, 105 Elachistus euplectri, a secondary 

 parasite, 106 The common flesh-fly, 107Cyrtoneura slabulans, 

 108 Is it parasitic ?, 108 Tachina-flies, 109 Their habits, 109 

 The watchful Pimpla, 111 The ring-legged Pimpla, 113 Cryp- 

 tus nuncius, 113 The ovate Chalcis, 114 The devouring Tetra- 

 stfchus, 115 Species that are easily mistaken for parasites of 

 Aletia, 115 Hexaplasta pigzag, 115 Phora aletias, 116. 



CHAPTER IX: 



Preventive measures , 120 



Mode of cultivation, 120 Improving cotton seed, 120 Forcing the 

 young plants, 120 Transplanting from hot-beds, 120 Objec- 

 tions, 121 Frequent cultivation, 121 Topping the cotton, 121 

 Fertilizers, 121 Sulphuric acid on seeds, 121 Late planting, 

 121 " Worm-proof cotton," 121 Diversified agriculture, 122 

 Rotation of crops, 122 Jute as a protection, 122 Other sup- 

 posed protective plants, 123 Protection of natural enemies, 123 

 Immunity of cotton under trees, 124 Preventing oviposition 

 of the moth, 124 Futility of decoctions for this purpose, 125 

 Road dust, 125 Early application of direct remedies, 126 Con- 

 certed action, 126 Early poisoning and hand-picking, 126 

 Cotton-worm warnings, 127 Destroying chrysalides accidentally 

 carried into gin-houses, 127 False theories, 127 Burning the 

 stalks, 127 Winter plowing, 127 Salt, 127. 



CHAPTER X: 

 Remedies ; means of coping with the insect ; substances used for its 



destruction 128 



Destruction of the eggs, chrysalides, and moths, 128 Destruction 

 of the eggs impracticable, 128 Little chance for successful de- 

 struction of the chrysalides, 128 Destruction of the moth, 129 

 Lights and fires for attracting the moths, 129 Indifferent suc- 

 cess with lamps used at Columbus, Tex., 130 Importance of using 

 lamps early in the season, 130 Apparent success with lamps near 

 Hearne, Tex., 131 Great attractiveness of the electric light, 131 

 Movable lights, 131 Poisoned sweets and fluids, 131 Fondness 

 of the moths for ripe fruit, 132 Killing moths by poisoned fruit, 



