80 Wisconsin Academy of Sciences, Arts, and Letters. 
fimltectus, Ohermes Drefus, 1888. 61 Vers. Deutcher. Nat. Argt. 
Koln., part 2, p. 60. 
Picea aUes, Tsuga canadensis. 
furcata, ApWs Patch, 1914. Me, Agr. Exp, Sta. Bui. No. 233, p. 
259, fig. 
Prunus virginiana. 
fareata, Forda Theobald, 1913. The Ent, Record, XXVII, p. 53. 
In nest of Myrmica laevinodis. 
furcipe^, Aphis Rafinesque, 1817, Amer. Mon. Mag. & Critic. 
Rev., I, p. 361. 
Beilis perennis^ Primula veris. 
furcala, Aphis Zetterstedt, 1840. Insecta Lapponica, p. 312. 
Betula sp., Salix sp. 
fusciclava, Aphis Rafinesque, 1817. Amer. Mon. Mag. & Critic. 
Rev. I, p. 361. 
Pood plant not given. 
fuscicornis, Amycla Koch, 1857. Die Pflanzenlause Aphiden, p. 
p. 303, fig, 
Anthemis noMUs, Camelia sp.^ Chenopodium sp. 
fuscifrons, Amycla Koch, 1857, Die Pflanzenlause Aphiden, p. 
301, fig. 
Arena sativa, Camellia sp., Coix lacryma-joM, Hieracium pilosella, 
Panicum sp. See P. radicum Boyer. 
fuscifrons, Pemphigus var. saccharata, Del Guercio, 1895. Nat, 
SiciL XIV, p. 88. 
Sorghum saccharatum. 
fuscipennis, Aphis Zetterstedt, 1840. Insecta Lapponi'^a, p. 312. 
“Hah in Dapponiae Suecicae meridionalis, sylvis, rarissime, etc.” 
fuscus, Dachnus Passerini 1863. Arch. Zool. Anat. II,. p. 188. 
Quercus sp. 
galeactitis, Rhopalosiphum Macchiati, 1883. Bui. Soc. Ent. ItaL, 
XV, p. 233. 
Antirrhinum majus, Galeactites tomentosa. . 
