Wihor\r~Yickery—List of Aphididae, 
111 
tulipae, Rhopalosiphum Thomas, 1879. Eighth Kept. State Ent. 
Ill., p. 80. 
Liriodendron tuUpifem, TuUpa gesneriana. 
tiilipaella, Rhopalosiphum Theobald, 1916. The Entomologist, 
XLIX, p. 146, fig. 
Tulips and violets. 
tullgreni, HamameUstes Meijere, 1912. Zeitsehr. wiss. Insektbiol. 
VIII, p. 91. 
Betula aWa. 
turanicum, Acyrthosiphon Mordwilko as a sub sp. of M. pisi Kal- 
tenbach, which see. 
turbida, Schizoiieura Walker, 1852. List Homop. Insects Brit. 
Museum part 4, p. 1051. 
No food plant given. 
tussilaginis, Macrosiphum (Walker), 1850. Ann. Mag. Nat. Hist., 
(2), V, p. 390. Aphis. 
Tussilago farfara. 
tussilaghiis, Macrosiphum (Koch), 1855. Die Pflanzenlause 
Aphiden, p. 158, fig. Siphoiiophora. 
Tussilago farfara. 
ulmariae, Macrosiphum (Schrank), 1801. Fauna Boica, II, p. 
116. Aphis. 
Anthriscus sylvestris, A. vulgaris Artemisia campestris, Beta vul¬ 
garis, Capsella hursa-pastoris, Chaerophyllum sylvestris, C. 
tremulum, Colutea ardorescens, Cytisus scoparius, EpiloMum 
montanum. Genista tinctoria, Geum urhanum, Gratiola offi¬ 
cinalis, Hyoseris radiata, Lactuca sativa, Lathyrus latifoUus, 
L. odoratus, L. pratensis, Lotus uliginosus, Medicago orbicu¬ 
laris, M. sativa, Onobrychis viciaefolia. Ononis repens, 0. 
spinosa, Phaseolus sp., Pisum arvense, P. sativum, Robinia 
pseudo-acacia, Rosa sp., Spartium junceum, 8. scoparum, Spirea 
ulmaria, Tanacetuin vulgare, Tragopogon pratensis. Trifolium 
filaforme, T. pratense, T. repens, Urtica dioica, U. Tiolsericea, 
Vida angustifolia, V. cracca, Y. gigantea, Y. ludoviciana, V. 
sativa, Y. sepium, Y. villosa. 
ulmi, Eriosoma Riley, 1869. First Kept. Nox & Ben. Insects. Mo., 
p. 124. 
TJlmus americana. 
