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Hunter, S. J. 1909. The Green Bug and Its Natural Enemies. Bulletin 

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Hunter, W. D. 1901. The Aphididae of North America, Iowa Agricultural 

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Matheson, Robert. 1916a. Apple Plant Lice and Their Control. Eighth 

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Matsumura, Shonen. 1917a. Journal College Agriculture Tohokee Impe- 

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Maxson, A. C. 19 15. A Schizoneuran migrating from Elm to Apple. 

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1918 (1919) Contribution to the Knowledge of the Tribes and Higher 

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1919 (1920) Contribution to the Knowledge of the Group Aphidina, 

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Osborn, Herbert. 1890. The Grass-root Plant Louse alias the Dogwood 

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 Patch, Edith M. 1909a. Homologies of the Wing Veins of the Aphididae, 

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1909b. Chermes of Maine Conifers. Maine Agricultural Experiment 

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1909c. The Desmodium Aphid, Microparsus variabilis n. sp. Entomo- 

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1910a. Gall Aphids of the Elm. Maine Agricultural Experiment Station, 

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1910b. Four Rare Aphid Genera from Maine. Maine Agricultural 

 Experiment Station, Bulletin No. 182. 



1911a. Aphididae. in Insect Notes for 1910. Maine Agricultural Experi- 

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191 id. Pemphigus tesselJata (acerifoHi) on Alder and Maple. Maine 

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191 2. Aphid Pests of Maine. Maine Agricultural Experiment Station, 

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1913a. Aphid Pests of Maine ii. Willow Family. Maine Agricultural 

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1913b. Woolly Aphid of the Apple. Maine Agricultural Experiment 

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1914a. Currant and Gooseberry Aphids in Maine. Maine Agricultural 

 Experiment Station, Bulletin No. 225. 



1914b. Maine Aphids of the Rose Family. Maine Agricultural Experi- 

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1915a. Woolly Aphid of Elm and Juneberry. Maine Agricultural Exper- 

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1915b. The Pond Lily Aphid as a Plum Pest. Science, N. S., vol. xlii, 

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1915c. Pink and Green Aphid of Potato. Maine Agricultural Experi- 

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191 5d. Two Clover Aphids. Journal Agricultural Research, vol. 3, pp. 

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