TABLE OF CONTENTS TO REPORT II. 17 



Page. 

 Insects infesting the Sweet-potato Continued. 



THE TWO-STRIPED SWEET-POTATO BEETLE 16 



It seems to be confined to that plant, 61 The larva and the use of its 

 fork, 61 Its pupa and imago, 61. 



THE GOLDEN TORTOISE-BEETLE 62 



Food-plants and characteristics of the larva, 62 Brilliant color of the 

 beetle, 62. 



THE PALE-THIGHED TORTOISE-BEETLE 62 



It is hardly distinguished from the foregoing species, 62. 



THE MOTTLED TORTOISE-BEETLE 63 



Characteristics of the beetle, 63 of the larva, 63. 



THE BLACK-LEGGED TORTOISE-BEETLE 63 



Characteristics of imago and larva, 63. 



The Pickle Worm 64 



OTHER INSECTS INFESTING CUCURBITACEOUS VINES 64 



The Squash Borer, 64 It seems to be confined to the Eastern States, 64 



The Striped Cucumber-beetle, 64 Injury done by the beetle, 64; by the 



larva, 65 The larva and pupa, 65 Number of annual generations, 



65 Remedies, 66 Extent of the injury caused by it, 66 The 12- 



Spotted Diabrotica, 60. 



THE PICKLE WORM 67 



Characteristics and description of the worm, 67 Its habits, 67 Charac- 

 teristics of the moth, 68 Accounts of injury done by the worm in Mis- 

 souri and Illinois, 69 ; in other portions of the country, 70 It was not 

 known before as injurious, 70 Remedy, 70. 



Insects injurious to the Grape-vine 71 



THE HOG CATERPILLAR OF THE VINE 71 



The egg, 71 Characteristics of the larva, 71 Its habits when about to 

 transform, 72 The chrysalis and imago, 72 It is one-brooded North 

 and two-brooded further South, 72 It is very injurious, 73 The Ml- 

 crogaster parasite and its development, 73 Habits of caterpillar in- 

 fested with the parasite, 73. 



THE ACHEMON SPHINX , 74 



Appearance and habits of the larva, 74 The chrysalis, 75 The insect 

 is single-brooded, 75 The moth and its issuing from the pupa shell, 

 75 No parasites known, 76. 



THE SATELLITE SPHINX 76 



How to distinguish its larva from that of the foregoing species, 76 De- 

 velopment of the larva, 76 Variations in color of the larva, 77 Its 

 position when at rest, 77 The moth, 78. 



THE ABBOT SPHINX. 



Its distribution, 78 The larva varies much in color, 78 The chrysalis 

 and imago, 79. 



THE BLUE CATERPILLARS OF THE VINE 79 



The Eight-spotted Forester, 80 Larva previously mistaken for it, 80 

 habits and characteristics of the larva, 80 Harris's description of the 

 larva, 81 The moth, 81 Mr. Andrews' account of its ravages, 81 

 Remedies, 82. 



The Beautiful Wood Nymph, 83 Characteristics of the moth, 83 Close 

 resemblance between the larva of this and the foregoing species, 83 

 The differences pointed out, 83 Development of the insect, 83. 

 The Pearl Wood Ny tnph, 83 It greatly resembles the Beautiful Wood 

 Nymph, 83 Its probable larva, 84 Practical importance of distin- 

 guishing these closely allied species, 84. 

 2 MO 



