345 



Hemiptera 



313981 Forbes, Stephen À* 57.52 Aphis : 16.5 



1915. Récent Illinois Work on the Corn Root-aphis and the Control of 

 ita Injuries. 28th Rep. State En loin. Illinois p. 1—62, 18 figg.— Bull, 

 agric. Exper. Stat. Illinois No. 178, p. 405—466, 18 figg, 

 92 Parrott, P. J. 9 and H. E* Hodgkiss. 57.52 Aphis : 16.5 



1915. The Status of Spraying Practices for the Control of Plant Lice 

 in Apple Orchards. Ball. N. Y. agric. Exper. Stat. No. 402 p. 193—210, 

 2 pis., 2 figg. 



83 Baker, A. C, and W. F. Turner. 57.5? Aphis : 16.5 



1916. Rosy Apple Aphis. Journ. agric. Research Vol. 7 p. 321—344, 

 6 pis. 



64 Brittain, W. H. 57.52 Aphis : 16.5 



1916. Notes on the Rosy Aphis (Aphis malifoliae Fitch) in Nova Scotia. 

 Proc. entoin. Soc. Nova Seotia 1916 p. 51—55, 1 fig. 



85 Parrott, P. J., H. E. Hodgkiss, and F. H. Lathrop. 57.52 Aphis : 16.5 



1916. Plant Lice Injurious to Apple Orchards. I. Studios on Control of 

 Newly-Hatched Aphides. Bull. N. Y. agric. Exper. Stat. No. 415 p. 11— 53, 

 8 pis., 6 figg. 



86 Paddock, F. B. 57.52 Aphis : 16.5 



1916. Observations on the Turnip Louse. Journ. econ. Entom. Vol. 9 

 p. 67-71. 



87 del Guercio, Giacomo. 57.52 Aphis (67.7) 



1916. Afidi raccolti nella Somalia italiana méridionale. Bedia Vol. 11 

 p. 299—303, 3 figg. [3 nn. spp. in Aphis.] 



88 Hollinger, A. H. 57.52 Aspidiotus : 15.3 



1916. Aspidiotus ulmi Johks. Canad. Entom. Vol. 48 p. 143—144. (77.8) 

 S9 Forbes, Stephen A. 57.52 Aspidiotus : 16.5 



1915» Observations and Experiments on the San José Scale. 28th Rep. 

 State Entom. Illinois p. 63—79, 3 figg. — Bull, agric. Exper. Stat. Illinois 

 No. 180 p. 545-561, 3 figg. 

 213990 Glenn, Pressley A. 57.52 Aspidiotus : 16.5 



1915. The San José Scale. (Aspidiotus perniciosus Comstock.) 2Sth Rep. 

 State Entom. Illinois p. 87—106, 4 pis., 2 figg. 



91 Sanders, G. E. 57.52 Aspidiotus (71.6) 



1913. San José Scale in Nova Scotia. 43d ann. Rep. entom. Soc. On- 

 tario p. 61-66, 3 figg. 16.5 



92 Parker, J. R. 57.52 Brachycolus : 16.5 



1916. The Western Wheat Aphis {Brachycolus tritici Gill). Journ. econ. 

 Entom. Vol. 9 p. 182—187, 1 pl. 



96 Steven, H. M. 57.52 Chermes : 16.5 



1918. Contributions to the Knowledge of the Family Chermesidae. No. 1 : 

 The Biology of the Ghermes of Spruce and Larch and their Relation to 

 Forestry. Proc. R. Soc. Edinburgh Vol. 37 p. 356—381. i5.2 



94 Chrystal, R. N. 57.52 Chermes (71.1) 



1916. The Life History of Chermes cooleyi Gillbttb in Stanley Park, 

 Vancouver, B. C. 46th ann. Rep. entom. Soc. Ontario p. 123—130, 9 figg. 



16.5 



95 Martelli, Giovanni. 57.52 Ghrysomphalus : 16.5 



1914. Il polisulfurimetro. Suo scopo, sua descrizione, suo uso. Ann. R. 

 Scuola sup. Agric. Portici (2) Vol. 12 p. 683—685. 



96 del Guercio, Giacomo, ed Ettore Malenotti. 57.52 Chrysomphalus : 16.5 



1915. Ricerche ed Esperienze nuove contro la Bianca-Rossa degli A- 

 grumi in Sicilia nel 1914. Redia Vol. 11 p. 1—125, 1 tav., 25 figg. 



73 Ferris, G. F. 57.52 Coccidae : 14.29 



1918. A Note on the Occurrence of Abdominal Spiracles in the Cocci- 

 dae. Canad. Entom. Vol. 50 p. 85—88. 

 213998 Hollinger, A. H. 57.52 Coccidae : 14.98 



1917. T&xonomic Value of Antennal Segments of Certain Coccidae. Ann. 

 entom. Soc. Amer. Vol. 10 p. 264—271, 4 pis. [10 nn. spp. in: Ex- 

 aerctopus, Phenacoccus S, Eriococcus.] 15.3 (77.8) 



