156 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1301. EILEY, C. V. Continued. 



THE CORN-WORM alias BOLL-WORM, Heliothis armigera 104 



Its geographical range, 104 Injury clone by it to corn, 104 It at- 

 tacks tomatoes and other plants, 105 Food-plants of the stalk- 

 borer, 105 The egg of the corn-worm, 105 Mr. Glover's account 

 of the habits of the boll-worm, 106 The larva is very variable in 

 color, 107 Its transformations, 107 Number of annual broods, 

 107 Amount of damage done by it, 107 Remedies, 108 Attract- 

 ing the moth by sweets, 108 Hoard's moth-trap, 109. 

 THE FALL AKMY-WORM, Laphygma frugiperda 109 



Reports of its appearance in 1870, and how it was generally mis- 

 taken for the true army- worm, 109 It was also mistaken for the 

 boll-worm, 111 Injury caused by it, 111 How it differs from 

 the true army-worm, 112 It is a very variable species in the 

 imago state, 113 The spiderwort owlet-moth, and how it differs 

 from the fall army-worm moth, 113 Number of annual broods 

 and time of appearance of the fall army-worm, 114 The eggs 

 and how they are deposited, 114 Preventive measures, 115 It 

 is never injurious during two consecutive years, 115 Parasitic 

 checks, 116 Description of the imago, 116; of the varieties and 

 the earlier states, 117. 



THE APPLE-TREE TENT-CATERPILLAR, OR AMERICAN LACKEY-MOTH, 



Clisiocampa americana 117 



The web-nests of the caterpillar and importance of their destruc- 

 tion, 118 The egg-mass, 118 The caterpillar and its habits, 119 

 Transformations of the insect, 119 The imago very variable in 

 color, 119 Food-plants of the caterpillar, 120 Remedies, 120 

 Parasites and enemies, 120. 



THE TENT- CATERPILLAR OP THE FOREST, Clisiocampa disstria 121 



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

 121 Development of the larva, 122 Fitch's description of the full- 

 grown larva, 123 Confusion arising from want of uniform rule 

 in describing larvae, 123 The cocoon, 124 The chrysalis and the 

 moth, 124 The web spun by the caterpillar, 124 Mr. Ferris's 

 observations on differences 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, Hyphantria cunea 130 



It is often mistaken for the tent-caterpillars, 130 It feeds upon al- 

 most every kind of tree and shrub, 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 pre- 

 fers, 131 How it differs from the tent-caterpillar, 132 Reme- 

 dies, 132 Description of the larva, 132. 



THE BLUE-SPANGLED PEACH-WORM, Callimorplia lecontei 132 



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

 133 Chrysalis and imago, 133 Callimorpha vestalis Packard 

 synonymous with C. fuhncosta, 133 Food-plants, 134 Descrip- 

 tion of the larva, 134. 



THE ASH GRAY PIXION, Lithophane cinerea 134 



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

 Characters of the moth, 135 Description of larva and imago, 

 135 Remarks on allied species, 136. 



