174 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1360. Riley, C. Y. A new (?) tegerian maple-borer. <Amer. Nat., 
February, 1874, v. 8, pp. 123-124. 
Critical review of P. Gennadius’s “A new segerian maple-borer.” Trochilium 
acericoluvi is the well-known JEgeria acerni, injurious to maple-trees. 
1361. Riley, C. Y. Entomology in Missouri. <Amer. Nat., March, 
1874, v. 8, pp. 181-188. 
Reply to criticisms of A. S. Packard; discussion on the number of segments 
in the bead of an insect, on classification, aud on Mytilaspis pomicorticis 
[ —pomorum~\. 
1362. Riley, C. Y. Economic entomology. <Amer. Nat., March, 1874, 
v. 8, pp. 189-190. * 
Demand for more attention to and better representation of the agricultural 
interests of the country. Inadequacy of measures propounded for the 
wholesale destruction of noxious insects. 
1363. Riley, O. Y. Sixth annual report on the noxious, beneficial, and 
other insects of the State of Missouri, made to the State Board 
of Agriculture, pursuant to an appropriation for this purpose 
from the legislature of the State. <9th Ann. Rept. State Board 
of Agric. for 1873, March, 1874, pp. 169+12, 55 figs. Separate: 
, <Jefferson City, Mo., March, 1874, pp. 169+12, 55 figs. 
Table of contents . 3 
Preface. 6 
NOXIOUS INSECTS. 
Notes of the year. , 9 
The codling-moth, Carpocapsa pomonella . 9 
Failure of the apple crop in 1873, 9—Dr. Le Baron’s observations on 
the habits of Hie worm, 9—Proportion of worms leaving the fruit 
before it falls, 10—How it affects pears, 10—Time and method of 
using bandages, 10—Westward spread of the insect, 10. 
The Colorado potato-beetle, Dorypliora 10-lineata . 11 
How it has affected the price of potatoes, 11—New food-plants, 
11—Its progress eastward during 1873, 12—Improved methods of 
using Paris green, 13—Device for jarriug off the bugs, 14—Euro¬ 
pean publications on the insect, 15—Danger of its introduction 
into Europe, 15—Precautionary measures to be taken in Europe, 
16. 
The cotton-worm, Aletia xylina . . . 17 
Paris green suggested as' remedy, 17—Address before the National 
Agricultural Congress, 17—Mr. Glover’s summary on experience 
with Paris green, 19—Experiments with the poison, 19—John¬ 
son’s sprinkling machine, 20—Patents on Paris green, 20—The 
Royal mixture, 21—Hibernation of the insect, 22—Natural ene¬ 
mies, 23—Geographical range, 23—Position of the moth when 
alighting, 24. 
The canker-worm, Paleacrita vernata\ Anisopteryx pometaria .. 24 
Dr. Le Baron’s summary of remedies, 24—Mr. Milliken’s experience 
with the rope and tin trap, 25—The Paris green remedy, 26—A 
new trough, 26—Birds which destroy the worm, 27—Mr. Mann’s 
observations on the insect, 28—Two species have hitherto been 
confounded, 28 — The English sparrow aud the increase of til© 
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