GENERIC CLASSIFICATION OE APHIDIDAE. 



93 



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Stomaphis Walker IS 



Subcallipterus Mordwilko 29 



Symydobius Mordwilko 30 



TakecaUis Matsumura 29 



Tamalia Baker 24 



Tetraneura Hartig .- C8 



Tetraphis Horvath ; 83 



Tetrenema Derbes 73 



Thecabius Koch. 77 



Thelaxes Westwood 21 



Therioaphis Walker 28 



Thomasia Wilson 35 



Thoracaphis Van der Goot 87 



Thripsaphis Gillette 30 



Todolaehnus Matsumura 15 



Toxoptera Koch 51 



Trama Heyden 19 



Tranaphis AValker 33 



Travaresiella Del Guercio 21 



Trichosiphum Pergande , 37 



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Trifldaphis Del Guercio 79 



Trinacriella Del Guercio 79 



Tuberculatus MordwiJko 29 



Tuberculoides Van der Goot 29 



Tuberodryobius Das 18 



Tuberolachnus If ordwilko 18 



Tullgrenia Van der Goot 79 



Tychea Koch 71 



Tychea Passerini 79 



Tycheoides Schouteden 79 



Unilachnus Wilson 17 



Uraphis Del Guercio 43 



Vacuna Heyden 21 



Vesiculaphis Del Guercio 51 



Watabura Matsumura 69 



Wilsonia Baker 16 



Yamataphis Matsumura 51 



Yezabura Matsumura 42 



Yezocallis Matsumura 30 



Yezosiphum Matsumura 49 



