. Bulletin of the Department of Agriculture. Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 826. Contribotion from the Bureau of Entomology L. O. HOWARD, Chief Washington, D. C. PROFESSIONAL PAPER August 10,1920 GENERIC CLASSIFICATION OF THE HEMIPTEROUS FAMILY APHIDIDAE By A. C. BAKER, Entomologist Deciduous Fruit Insect Investigations CONTENTS Saperfamily Aphidoidea 2 Phylogenyof the Aphididae 3 Key to the Subfamilies of the Aphididae 10 Subfamily I, Aphidinae 10 Tribe Lachnini 12 Tribe Thelaxini 20 Tribe Calliptorini 21 Tribe Greenideini 37 Tribe Setaphidini 38 Tribe
. Bulletin of the Department of Agriculture. Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 826. Contribotion from the Bureau of Entomology L. O. HOWARD, Chief Washington, D. C. PROFESSIONAL PAPER August 10,1920 GENERIC CLASSIFICATION OF THE HEMIPTEROUS FAMILY APHIDIDAE By A. C. BAKER, Entomologist Deciduous Fruit Insect Investigations CONTENTS Saperfamily Aphidoidea 2 Phylogenyof the Aphididae 3 Key to the Subfamilies of the Aphididae 10 Subfamily I, Aphidinae 10 Tribe Lachnini 12 Tribe Thelaxini 20 Tribe Calliptorini 21 Tribe Greenideini 37 Tribe Setaphidini 38 Tribe Aphldini 39 Subfamily n, Mindarinae 61 Page Subf&mily IH, Eriosomatinae 62 Tribe Eriosomatinl 65 Tribe PcinphiginI 68 Tribe Melpkini 73 Tribe ProciphilinI 75 Tribe Fordini 77 Subfamily IV, Hormaphldinae .... 81 Tribe Hormaphidinl 83 Tribe Oregmini 84 Tribe Cerataphidini 86 Genera Not Placed 88. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
