24 INDEX TO MISSOURI ENTOMOLOGICAL REPORTS. 



Page. 

 The Tent-caterpillar of the Forest 121 



The egg-mass ami how the eggs are deposited by the female moth, 121 

 Development of the larva, 122 Fitch's descriptions of the full-grown 

 larva, 123 Confusion arising from want of uniform rule in describing 

 larvae, 123 The cocoon, 124 The chrysalis and the nioth, 124 The 

 web spun by the caterpillar, 124 Mr. Ferris's observations on differ- 

 ences in habits, appearance, and food-plants of the caterpillar, 125 

 Phytophagic varieties or species, 127 Food-plants of the caterpillar, 

 127 Its destructive powers, 127 Remedies, 128 Natural enemies 

 and parasites, 128 Summary, 129. 

 The Fall Web-worm 130 



It is often mistaken for the Tent-caterpillars, 130 It feeds upon almost 

 every kind of trees and shrubs, 130 The web spun by the worm 

 130 General appearance of the worm, 130 The chrysalis and imago, 

 131 Number of annual broods, 131 Plants it prefers, 131 How it 

 differs from the Tent-caterpillar, 132 Remedies, 132 Description of 

 the larva, 132. 

 The Blue-spangled Peach Worm 132 



Winter retreat of the larva, 132 General appearance of the larva, 133 

 Chrysalis and imago, 133 Callimorpha vestaUs Packard synonymous 

 with C. fulvicosta, 133 Food plants, 134 Description of the larva, 134. 

 The Ash-gray Pinion 134 



Food plants of the larva, 135 Transformations of the insect, 135 Char- 

 acters of the moth, 135 Description of larva and imago, 135 Re- 

 marks on allied species, 136. 



BENEFICIAL INSECTS. 



The Glassy-winged Soldier-bug 137 



It preys upon different species of leaf-hoppers, 137 Its larva and pupa, 



138 How it seizes its prey, 138 Coloration of the insect, 138 It 

 was never observed before to attack the leaf-hoppers of the Grape-vine, 



139 Habits of the Phytocoridiv, 139. 



INNOXIOUS INSECTS. 



The White-lined Morning Sphinx 140 



Resemblance of the Moth to a Humming bird, 140 Interest attached to 

 the study of Lepidopterous larvre, 140 Larval variations in the same 

 species, 141 Food plants of the larva, 141 The light and dark colored 

 forms of the larva, 142 Its geographical range, 142 Parasite, 142. 



Two of our Common Butterflies 1 142 



THE ARCHIPPUS BUTTERFLY 143 



Synonymy of its specific name, 143 Its geographical distribution, 143 

 Characters of the Danaida; 143 Sexual differences, 143 Food plants, 

 144 Hibernation, 144 Two annual broods, 144 Description of the 

 egg, 144 The larva and its larval changes, 145 How the horns of the 

 larva become longer at each moult, 145 The full grown larva, 140 

 Interest attached to the metamorphoses of insects, 146 How the larva 

 becomes a chrysalis, 147 The hardened chrysalis, 147 Duration of 

 the chrysalis state, 147 The issuing of the butterfly, 148 Protective 

 colors of insects, 148 Nauseous odor of the Archippus Butterfly in all 

 its stages, 149 The Tachina-parasite of the Archippus larva, 149 Act- 

 ion of the parasitized larva, 149 How the Tachiua larva and other 

 insects prepare the lid of their puparia, 149 Characters of this Ta- 

 chiua-fly, 150 Difficulties of the study of the Tachinarice, 150 Two 

 forms occurring in Tachina archippivora, 150 The Butterfly often con- 

 gregating in immense swarms, 151 Probable reasons of this assem- 

 bling in swarms, 152. 



