363 



Hemîptera, 



31550 Fletcher, James. 1S9S. The San José Scale [Aspidiotus perniciosus Comst.]. 

 With 4 figg. 28. Ann. Rep. Entom. Soc. Ontario, 1897. p. 78—86. 



[595.752 A. 



51 Gould, H. P. 1899. Second Report on the San José Scale. New York Cor- 



nell Stat. Bull. 155. p. 150 — 171, 3 figs. — Abstr. Exper. Stat. Ree. 

 Vol. 10. No. 10. p. 975. [595.752 A. 



52 Staes, G. 1S98. De San José-Schildluis [Aspidiotus perniciosus Comst.). Met 



7 figg. Tijdschr. ov. Plantenziekten , 4. Jaarg. 2. Afl. p. 45 — 60. 



[595.752 A. 



53 Webster, F. M. 1899. Some récent developments in the San José Scale 



Problem in Ohio. Proc. Soc. Promot. Agric. Sc. 1898. p. 112—119. 



[595.752 A. 



54 Palumbo, Mina. 1898. Cocciniglie délia vite. Boll. Entom. Agrar. Ann. 5. 



No. 9. p. 133 — 135. [595.752C. 



55 Berlese, Ant., e G. Leonardi. 1898. Cocciniglie che minacciano la frutti- 



cultura europaea. Con'4figg. Patol. veget. Vol. 7. No. 5/8. p .254 — (260). 



[595.752 C. 



5üCockerell, T. D. A. 1899. The Coccidae of the Sandwich Islands. The 

 Entomologist, Vol. 32. June, p. 164. [595.752 C(969). 



57 Schwarz, E. A. 1899. Note on the Cedrela Psyllides (genus Freysuila 

 Aleman.). Proc. Entom. Soc. Washington, Vol. 4. No. 3. p. 195 — 197. 



[595.752F. 



3155S Ancora sull' Icerya Purchasi Mask. Boll. Entom. Agrar. Ann. 5. 1898. 

 No. 3. p. 33—35. [595.7521. 



59 Cockerell, T. D. A. 1899. On the Habits and Structure of the Coccid 

 genus Margarodes. Amer. Naturalist, Vol. 33. May, p. 415 — 417. 

 [M. Mentalis n. sp.) [595.752 M. 



60Mayet, Valéry. 1899. Longévité des kystes des Maryarodes. Bull. Soc. 

 Entom. France, 1899. No. 4. p. 73. [595.752M. 



6lBlunno, . ., and . . Froggatt. 1899. Phylloxéra of the Grape Vine. With 

 4 pis. Agricult. Gaz. N. S. Wales, Vol. 10. P. 5. p. 377— 379. [595.752P. 



62 Ottavi, E. 1898. La Fillossera in Italia. Boll. Entom. Agrar. Ann. 5. No. 7. 



p. 109 — 111. [595.752P. 



63 Palumbo, Mina. 1898. Coccide ampelofago, Rhizoecus fuleifer Kunckel. 



Boll. Entom. Agrar. Ann. 5. No. 3. p. 35 — 36. [595.752 R. 



64Blath, . . (Magdeburg). 1899. Die Blutlaus [Schizoneura lanigera], ihr Auf- 

 treten und ihre Vertilgung. Mit 1 Farbentaf. Magdeburg, Faber'sche 

 Druck., 1899. 8°. (20 p.) Jt — ,75. [595.752S. 



65 Vetter, Paul K. 1899. Ein Beitrag zur Bekämpfung der Obstbaumschäd- 



linge. Die Blutlaus, Schizoneura lanigera Hartig. Preßburg, Verl. des West- 

 ungar. Weinbergsbote, 1899. 8°. (40 p.) J( — ,50. [595.752S. 



66 Ball, E. D. 1899. Some new Species of Athysanus. Entom. News, Vol. 10. 



No. 6. p. 172 — 174. [595.753A. 

 [A. frigidusy A. arctostapliyli, A. alpinus.) 



31567 Baker, C. F. 1899. Remarks on Empoasca (Hemipt.). Entom. News, Vol. 10. 



No. 4. p. 90 — 94. [595.753E. 



15. VII. 1899. 



