182 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1397. Riley, C. V. The bark-louse. <Beach, A.E. The Science Re¬ 
cord for 1874, 1ST. Y., 1874, p. 356. 
Discovery of the male of Mytilaspis conchiformis \_=pomorum]. 
1398. Riley, C. Y. Codling-moth heresies. <17. Y. Tribune, 2 Jan¬ 
uary, 1875. S.-b. No. 13, p. IG3. 
Criticism of paper of S. B. Peck ; Carpocapsa pomonella confines its attacks 
to one apple and does not enter the ground. 
1399. Riley, C. Y. Shall we scrape our trees? <N. Y. Tribune, 6 
February, 1875. S.-b. No. 10, p. 10. 
Careful scraping of trees early in spring is beneficial as a safeguard against 
the attacks of many injurious insects. 
1400. Riley, C. V. What are army-worms? <N. Y. semi-weekly 
Tribune, 6 February, 1875. 
Differences between Laphygma frugiperda and Leucania unipuncta. 
1401. Riley, C. Y. The hickory bark-borer, Scaly tus caryce. <Col- 
man’s Rural World, 6 February, 1875. S.-b. No. 17, p. 105. 
Natural history of Scolytus caryce [= 4-spinosws]. 
1402. Riley, C. Y. Genuine vs. bogus chinch-bugs. <N. Y. Tribune, 
10 February, 1875, figs. S.-b. No. 10, p. 10. 
Answer to inquiry of C. H. Cushing; food-habits and figures of Nysius de¬ 
structor [ =angustatus ] and Blissus leucopterus ; larva of Deilephila lineata 
feeds on purslane. 
1403. Rile\ t , C. Y. Remedies for Phylloxera. <N. Y. Tribune, 10 
February, 1875. S.-b. No. 10, p. 22. 
At present no insecticide is effective against Phylloxera vastairix ; grafting of 
more susceptible varieties on the roots of the least susceptible advised. 
1404. Riley, C. Y. Newest facts of grape Phylloxera. <N. Y. Tribune, 
10 February, 1875. S.-b. No. 10, pp. 21-22. 
Succession of different forms of individuals in the cycle of development of 
Phylloxera described ; seasons at which the different forms appear; places 
in which eggs are laid by the winged females. 
1405. Riley, C. Y. Is the Colorado beetle poisonous ? <N.Y. Weekly 
Tribune, 17 February, 1875. S.-b. No. 10, p. 9. 
Insists upon the poisonous nature of the fumes from scalded or burning 
masses of Doryphora decemlineata, in opposition to statements by Prof. T. 
J. Burrill. 
140G. Riley, C. Y. Notes of Phylloxera. <N. Y. Tribune, 4 Marcu, 
1875. S.-b. No. 10, pp. 20-21. 
Critical review of A. S. Fuller’s “Distribution of the grape-louse; ” main¬ 
tains the specific identity of the so-called gall-inhabiting and root-inhab¬ 
iting forms of Phylloxera, and the North American brigin of this insect. 
1407. [Riley, 0. Y.] The Colorado potato-beetle abroad. <N. Y. 
Weekly Tribune, 17 March, 1875. S.-b. No. 10, pp. 14-15. 
Statement and criticism of measures adopted by several European Govern¬ 
ments to prevent the introduction of Doryphora decemlineata into their 
countries. 1 ' 
