120 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1059. Riley, 0. Y.—Continued. 
Cut-worms—C ontinued. 
Remedies against cut-worms... 
Natural enemies, 89 ; Microgaster militaris, 89; Paniscus geminatus, 
89; The spined soldier-bug, 89; The cut-worm lion, 89—Other 
enemies, 90—Artificial remedies for climbing cut-worms, 90; for 
common field cut-worms, 91. 
Insects infesting the potato... 
General remarks, 91—Number of species affecting the potato, 92. 
The stalk-borer, Gortyna nitela . 
Habits of the larva and imago, 92—Remedy, 93. 
The potato stalk-weevil, Trichobaris trinotata . 
Its geographical distribution, 93—Its habits, 93—Remedy, 95. 
The potato- or tomato-worm, Protoparce celeus . 
It can not sting with its horn, 95—Its chrysalis, 95—How the 
imago differs from the tobacco-worm moth, 95—Remedies and 
parasites, 96. 
Blister-beetles, Meloidce . 
The striped blister-beetle, 96—The ash-gray blister-beetle, 97— 
The black-rat blister-beetle, 98—The black blister-beetle, 98— 
The margined blister-beetle, 98 — Synonymical remarks, 98— 
Remedies for blister-beetles, 99. 
The three-lined leaf-beetle, Lema trilineata . 
Merdigerous habit of the larva, 99—It has two annual broods, 
100—Other notes on the habits of the insect, 100. 
The cucumber flea-beetle, Crepidodera cucumeris . 
The Colorado potato-beetle, Doryphora 10 -lineata . 
Its past history and future progress, 101—Its native home, 101—Its 
gradual spread eastward, 102—Its confusion with the bogus Colo¬ 
rado potato-beetle, 103—How the two species differ in habits, 
104 ; in their larval states, 104; in the egg state, 105—Descrip¬ 
tion of the larva of Dorypliora juncta, 106—Differences in the 
imagos of the two species, 106—Habits of the Colorado potato- 
beetle, 107—When it appears and disappears, 107—Number of 
eggs laid by each female, 107—Food-plants, 107—Singular fact 
that D. juncta has not acquired the habit of attacking the potato, 
108— Natural remedies, 109—Complicated economy of nature, 
109— Decrease in the number of potato-beetles on account of in¬ 
crease in the number of parasites, 109—The Colorado potato-bee¬ 
tle parasite, 111—Its general character and habits, 111—Descrip¬ 
tion of Lydella doryphoroe, 111 — Lady-birds and their larvae, 
112—The spined soldier-bug, 113—The common squash-bug, erro¬ 
neously considered an enemy of the potato-beetle, 113—The bor¬ 
dered soklier-bug, 114—The many banded robber, 114—The ra- 
pacious soldier-bug, 114—The Virginia tiger-beetle, 115—The 
fiery ground-beetle, 115—Blister-beetles, 115—The larvae not 
touched by fowl, 115—Artificial remedies, 116—Ineffectiveness 
of mixtures tried, 116—Killing the beetle early in spring, 116— 
Pincers for crushing the insect, 116—Benson’s machine, 116— 
Proper choice of varieties of potatoes, 117—The pest will over¬ 
run the Eastern States, 117—Carelessness in transmitting speci¬ 
mens of the beetle, 117. 
