oS THE HOP APHIS IX THE PACIFIC REGION. 



THE MORE IMPORTANT WRITINGS OX THE HOP APHIS. 



1904. Clarke. W. T— BuL 160.. Univ. GrtL Agi Zr - 13 pp.. 7 t e 



1897. Cordley. A. B. — BiiL 45. Qreg. Agr. Exp. Sta.. pp. 99. 127. 13 figs.. June. 



1903. Jut. K. P.— Proc. 24th Ann Med - Prom. Agr. ScL. pp. 39-48. 

 1865. Fitch. A. — The Country Gentleman, vol. 25. | 274 April 27 



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1904. Flztther. J— Bul. 46. Div. Ent.. U. S. Dept. Agr.. pp. 82-88. V 

 1904. Fletcher. J. — Kept. Exp. Farms Canada, pp. 163—215. 



1887. Howard. L. O. — Country Gentleman, vol. 52. p. - " .ember 17. 



First published fall life history. 



1897. Howard. L. O. — Bul. " _ I : It:.. U. S. Dept. Agr.. pr S4-87 



1899. Howard, L. O.— Hop Industry, Orange Jud« i I e w York. pp. 113-141, 19 



Accounts of the species known to afieci bops. 



1893. Koebzle. A. — Insect Life. voL 6. pp. 12-17. November. 



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1887. Lestxer. J. A. — Cultivator and Country Gentleman, vol. 52. p. 511. June 30. 

 1889. Lestxer. J. A. — Ne-«- England Homestead, p. 253. July i~ 

 1891. Ltxtxer. J — - Z -gland Homestead, p. 1 



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1900. Lugger. O.— Bul. 69. Minn. Agr. Exp. Sta.. pp. 250. 200 figs.. 16 pis. 

 1904. Pettit. R. H. — Spec. Bul. 24. Mich. A2T. Exp». Sta.. pp. 79. 70 t_ 



1908. Remisch. Fr. — Zeitschrift fur wissenshaftliche Insektenbiologie. vol. 4. no. 10, 

 pp. 365-366. 



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1910. Reiosch. Fr. — Zeitschrift fur wissenshaftliche Insektenbiologie. vol. 6. no. 6. 



p. 242 



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1911. Rem:- — Zeitschrift fur wissenschaftliche Insektenbiologie. vol. 7. nos. 



7-8 | p. 240-243: no. 9. pp. 2>_ . 



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1891. Riley. C. V.— dr. 2. 24 ser.. Div. Ent.. U. S. Dept. Agr.. pp. 7. 5 figs.. 1 pL, 



June. 

 1891. Riley. C. V. — Insec" 1. 3. pp. 1S1-210. January. 



1893. Riley. C. V— Ann. Rept. U. S. Dept. Agr.. pp. 199-226. 3 r k 



Rhet. C. V.. and Howard. L. O — Insect Life. vol. 3. p. 350. ApriL 

 1891. Riley. C. V.. and Howard. L. O.— Insect Life, vol. 3. : August- 



Hop lice on Pacific Coast. 



1891. Riley. C. V .. and Howard. L. O.— Insect Life. vol. 4. tober. 



Quassia for the hop aptus. 



- . Riley. C. V.. and Howard. L. O. — Insect Life. vol. 4. pp. 342-343. June. 



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1892. Re: .1 Howard. L. O.— Insect Life. vol. 4. p. 401. Augu 



Hop aphis remedies. 



1892. Riley. C. V.. and Howard. L. O. — Insect Life. vol. 4. p. 406. Augv. 



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1892. Riley. C. V.. and Howard. L. O. — Insect Life. vol. 5. p. 60, September. 



1893. Riley. C. V.. and Howard. L. O. — Insect L: 6, p. 53. November. 



Hop lice in New York State. 



