46 Wisconsin Academy of Sciences^ Arts^ and Letters, 
breviorostris, Pteroclilorus Mordwilko, as var. of P. roboris Linn.^ 
which see. 
brevisiphona, Aphis Theobald, 1913. Jour. Board Agr., XIX, No. 
11, p. 920, fig. 
Beta vulgaris, Chenopodium sp. 
brittenii, Rhopa-losiphum Theobald, 1913. Jour. Econ. BioL, VII, 
p. 107, fig. 
Ribes sp. 
brumiea, Aphis Ferrari, 1872. Ann. Mus. Civ. Stor. Nat. Genova, 
II, p. 70. 
Ononis calumae, 0. natrix, 0. spinosa. 
brunellae, Aphis Scouteden, 19 03. Ann. Soc. Ent. Belg., XLVII, 
p. 194. 
Prunella vulgaris? 
bruneri, Cliaitophorus Williams, 1911. Aphididae Nebraska, p. 25. 
Populus tremuloides. 
bufo, Aphis Walker, 1848. Ann. Mag. Nat. Hist. ser. 2, II, p. 46. 
Carex arenaria, Lycopsis arvensis. 
bumeliae, Pi’ocipliilus (Schrank) 1801. Fauna Boica, II, p. 102. 
Ahies halsamea, A. fraseri, A. veichii, Fraxinus excelsior Pinus sp. 
burrowi, Pemphigus Sanborn, 1904. Kansas Aphididae, p. 18. 
Radicula sinuata. 
bursarus, Pemphigus (Linnaeus), 1758. Edition 10, Systema Na¬ 
turae, p. 453. Aphis. 
CheirantUus cTieiri, Chenopodium sp., Cichorium intyhus, Lactuca 
saligna, L. scariola, L. virosa, Lysimachia sp., Melilotus officim 
alis, Populus. deltoides, P. molinifera, P. nigra, P. pyramidalis, 
P. tremula, Sonchus asperis, 8. oleraceus. 
butomi, Rhopalosiphum (Schrank), 1801. Fauna Boica, 11, p. 114. 
Aphis. 
Butomus umhellatusf 
buxtoni, Rectinasus Theobald, 1914. The Entomologist, XLVII, 
p. 29. 
In nest of Bothryomyrmex meridionalis Pheidole pallidula, Ter¬ 
mites. Leueotermes lucifugus. 
