154 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1301. Riley, C. V.—Continued. 
The corn Spheuophorus, Sphenophorus sculptilxs .. 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, Ehodobcenus 13-punctaius . GO 
It is not injurious, 60—Coloration of the beetle and its probable 
identity with S. 13 -punctatus, 60—The larva, 60—Enumeration of 
other injurious snout-beetles, 60. 
Insects injurious to the grape-vine. 61 
The grape leaf-folder, Besmia maculalis . 61 
Its geographical distribution, 61—Generic characters, 61—Charao 
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 tbe pupa, 66—Protective mim¬ 
icry of the pupa, 67—Habits and appearance of the moth, 67—Is 
it single or double-brooded, 67. 
Tbe 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 ohlinita . 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, Pyrophila 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, Pelidnota 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. 
