436 APHIDS OF THE ROCKY MOUNTAIN REGION 
MATHESON, ROBERT 
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MATSUMURA, SHONEN 
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MAXSON, ASA CHANDLER 
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1923. Pemphiginae in Hemiptera of Connecticut. Connecticut State Geol. and Nat. Hist. 
Survey Bul. 34: 311-329. 
1929. Maxson and Knowlton. The tribe Pemphigini in Utah. Ann. Ent. Soc. America 22: 
251-271. : 
1934. Four new pemphigids from Colorado. Ann. Ent. Soc. America 27: 34-42. i 
1948. Insect and diseases of the sugar beet. Pub. by The Sugar Dev. Foundation, Fort 
Collins, Colo. 
MILLER, F. W. 
1933. Three new species of aphids from Idaho. Canadian Ent. 65: 249-253. 
MONELL, J. 
1877. A new genus of Aphidae. Canad. Ent. 9: 102-103. 
1879. Notes on Aphidinae, with descriptions of New Species. U. S. Geol. Survey Bul. 
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1882. Notes on Aphididae. Canad, Ent. 14: 13-16. 
MORDVILKO, A. 
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1914. Aphidodea I. Faune de la Russie (Insecta Hemiptera) 1: 1-236. 
1921. Les pucerons des graminees. Bul. Petrograd Div. Sta. Protect. Plants from Pests 
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1928. Nouvelle contribution a l’etude de l’anolocyclie chez Les Aphides. Acad. Sc. 1070- 
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1931. Heteroecious and anolocyclic Anoeciinae. Anolocyclic Lachninae. Bul. Acad. Sc. 
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1935. Die blattlause mit unvollstandigem Generationszylus und ihre entstehung. Ab- 
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NEVSKY, V. P. 
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OESTLUND, O. W. 
1886. List of the Aphididae of Minnesota. Minnesota Geol. Nat. Hist. Survey Rpt. 14: 
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PACK, H. J. 
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-PADDOCK, F. B. 
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PALMER, MIRIAM A. 
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1936a. Four new aphids from Colo. Ibid. 29: 273-279. 
1936b. Additions to the Aphidae of Colorado. Ibid. 29: 729-748. 
1938. Additional aphids from Colo. Ibid. 31: 352-358. 
