BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
185 
1423. Biley, C. V.—Continued. 
The Colorado potato-Beetle —Continued. 
mail indirectly through the soil or through the plant, 13—The 
beetle eats as well as the larva, 14 — It passes the winter as imago, 
14—New food-plants, 14—New means of destruction, 15—The 
Gray sprinkler, 15—The proper scientific name of the beetle, 16— 
Mr. Carriere’s ridiculous statements, 17. 
The chinch-bug, Blissus leucopterus .. 19 
Its disastrous work in 1874, 19—Circular distributed among farm¬ 
ers, 19—Appearance and transformations of the chinch-bug, 20— 
The short-winged form, 20—Description of the chinch-bug and 
its earlier states, 21—Its past history in America 22—Its past 
history in Missouri, 22—Destructive powers of the chinch-bug, 
24—Its injuries iu 1874, 24—Its injuries iu Missouri in 1874, 25—• 
Food-plahts, 26—Time required for the comoiete development of 
various insects, 27—Number of annual broods, 27—Its rapid in¬ 
crease, 28—Where the eggs are laid, 28—Flight of the chinch- 
bug, 29—Its migrations on foot, 30—Heavy rains destructive to 
it, 30—Direct remedies, 31—Irrigation, 31—Preventive measures, 
32—Burning, 32—Rolling, 33—Manuring and early sowing, 34— 
Mixing seed, 34—Preventing the migrati n of the bugs from one 
he'd to another, 35—Importance of winter work and combined 
action, 36—Other possible remedies, 37—Abstaining from the 
cultivation of grains, 38—Natural enemies, 38; lady-birds, 39; 
lace-wing fly and habits of its larva, 40 ; the insidious flower-bug 
and the many-banded robber, 41—Birds destructive to the ehmch- 
bug, 41—Discussion of other proposed remedies and preventive 
measures, 41—The chinch-bug injurious to stock, 43—Prognosti¬ 
cating, 44—Unnecessary tears, 44—Bogus chinch-bugs, 45—The 
false chinch-bug, 46—The insidious flower-bug and the ash-gray 
leaf-bug, 47—The flea-like negro-bug, 48—Recapitulation, 49. 
Appendix to the article on the chinch-bug. 51 
List of correspondents who replied to the circular, 51—Questions 
answered by correspondents, 52—Answers given by correspond¬ 
ents, 53. 
The elat-headed apple-tree borer, Chrysohothris femorata . 71 
Extent of its ravages in fruit and shade trees, 71 — Its natural his¬ 
tory, 72—Natural enemies, 73—Chalcid larva, 74—The cherished 
Bracou, 75—The useful Labena, 75 — Ants, 76—Remedies, 76— 
Keeping young trees vigorous and healthy, 77—Coating the trunks 
and larger branches with soap and other greasy substances, 77— 
Scraping, 78—Wrapping wire gauze around the trunk, 79—Cut¬ 
ting out the newly-hatched larva, 79. 
Canker-worms, Paleacrita vernata; Anisopteryx pometaria . ’ 80 
Confusion regarding the two species of cauker-worms, 80—Distin¬ 
guishing characters of the spring canker-worm, 80—Description 
# of egg, larva, and chrysalis of Anisopteryx vernata, 82 — How the 
fall canker-worm differs from the preceding, 83—Description of 
egg, larva, and chrysalis of Anisopteryx pometaria, 84—Practical 
importance of distinguishing the two species, 85 — Comparative 
description of the spring and fall cauker-worms, 86 — Couclusion, 
88 —Extracts from the original essay on the canker-worm by 
W. D. Peck, 89. 
The grape Phylloxera, Phylloxera vastatrix ... 90 
Completion of its natural history, 90—The true sexual individuals 
discovered, 91—Epitome of the life-history of the grape Phyllox- 
