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57 Webster, F. M. 1897. The San José Scale. With 2 figg. 27. Ann. Rep. 



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58 Webster, F. M. 1899. Odour of the San José Scale, Aspidiotus perniciosus. 



29. Ann. Rep. Entom. Soc. Ontario, 1898. p. 104. [595.752A. 



59 Webster, F. M. 1899. The San José scale problem in Ohio in 1898. With 



4 figs. Ohio Stat. Bull. 103. p. 185—199. — Abstr. Experim. Stat. Ree. 

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61 Banti, Adolf o. 1899. La Cocciniglia dell' Evonimo [Chionaspis evonymi 

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63 Berlese, A,, e G. Leonardi. Coccinig lieamericane che minacciano la frutti- 

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35964 Marlatt, CL. 1899. Température Control of Scale Insects. Proc. U.Meet. 



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65 Scott, W. M. 1899. Fatal Température for some Coccids in Georgia. Proc. 



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66 Atkinson, E. T. 1886. Insect-Pests belonging to the Homopterous Family 



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67 Berlese, A. 1897. La Cocciniglia bianca [D acty lopins vitis ^i^àl.] délia vite. 



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 68Maiicini, V. 1897. Cocciniglia bianca [Dactylopius vitis\ délia vite. Boll. 

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69 Leonardi, Gust. 1899. Sopra una specie di Cocciniglia \Eriococcus arau- 



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70 Berlese, Ant. 1897. Icerya Purchasii Mask. Boll. Entom. Agrar. Ann. 4. 



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 3597lJohnson, W. G. 1899. The Destructive Pea Louse, a new and important 

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19. I. 1900. 



