154 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1301. EILEY, C. V. Continued. 



The corn Spheuophorus, Sphenophorus sculptilis * 59 



Damage caused by it to corn plants, 59 Characteristics of the 

 beetle, 59 Its larval history still unknown, 59 Probable habits 

 of the larva, 59 Walsh's description of the imago, 59. 



The cocklebur Sphenophorus, Rhodobcenus I3-punctalus CO 



It is not inj urious, 60 Coloration of the beetle and its probable 

 identity with S. IS-punctatus, 60 The larva, 60 Enumeration of 

 other injurious snout-beetles, 60. 



INSECTS INJURIOUS TO THE GRAPK-VINE 61 



The grape leaf-folder, Desmia maculalis 61 



Its geographical distribution, 61 Generic characters, 61 Charac- 

 ters of the moth, 61 Sexual differences, 62 Habits of the larva, 

 62 Remedy and prevention, 62 Natural enemies, 62 Descrip- 

 tion of the larva, 62. 



The grape-vine epimenis, Psychomorpha epimenis 63 



Its larva formerly mistaken for that of the pearl wood nymph, 63 

 Characters of the moth and sexual differences, 63 Habits of the 

 larva when about to transform, 64 Its grape-vine feeding hab- 

 its formerly unknown, 64 Description of the larva, 64; of the 

 chrysalis, 65. 



The grape-vine plume, Oxyptilus periscelidactylus 65 



Work of its larva and of that of the grape-vine Epimenis, 65 Both 

 larvae rather beneficial when not too numerous, 65 Characters 

 of the larva, 66 Peculiar form of the pupa, 66 Protective mim- 

 icry of the pupa, 67 Habits and appearance of the moth, 67 Is 

 it single or double-brooded, 67. 



The common yellow bear, Spilosoma virginica 68 



How the young larvae differ from the mature larva of the grape- 

 vine plume, 68 Food-plants, 68 Color variations in the larvae, 

 69 The chrysalis, 69 The imago, 69 -Parasite, 69 Remedy, 69. 



The smeared dagger, Acronycta oblinita 70 



The larva is polyphagous, 70 Characters of the larva, pupa, and 

 imago, 70 Remedy, 70 Parasites, 71 Description of imago and 

 larva, 71 ; of the pupa, 72. 



The pyramidal grape-vine worm, PyropMla pyramidoides 72 



Distinguishing characters of the worm, 72 Its food-plants, 72 

 Its transformations, 72 It is single or double-brooded according 

 to latitude, 73 Its closely allied congener in Europe, 73 Rem- 

 edies, 73 Description of the larva, 73; of the pupa and imago, 

 74 How it differs from Amphipyra pyramided, 74 Description of 

 the larva and imago of the spattered copper under-wing, 75. 



The grape-root borer, Sciapteron polistiformis 75 



Its distribution, 75 Distinguishing characters of the larva, 76 

 Its transformation, 76 Characters of the moth, 76 Description 

 of the imago and its sexual differences, 76 Work of the larva on 

 grape-roots, 77 Remedies, 77. 



The spotted Pelidnota, Felidnota punctata 77 



It is usually not injurious, 77 The larva and its habits, 78 The 

 beetle, 78 Description of the larva, 78. 



The grape-vine flea-beetle, Haltica chalybea 79 



It is well known to the grape-grower in Missouri, 79 Its distri- 

 bution and food-plants, 80 Hibernation, 80 Damage done by 

 the beetle in spring, 80 The eggs, 80 Damage caused by the 

 larvae, 80 ; their transformation, 80 Remedies, 80 Description 

 of the larva and pupa, 81. 



