50 
Wisconsin Academy of Sciences, Arts, and Letters. 
leucantliemum, Cirsium arvense, C. lanceolatiim, C. muticum, 
Cynara cardunculus, Doronicum cruenta, Eryngium campestre, 
Hieracium umhellatum, Lithospermum officinale, Malva rotun- 
difolia, M. sylvestris, Matricaria chamomilla, Onopordon acan- 
thium, 0. illyricum, Onosma stellulatum, Primus nigra, Scolym- 
nus hispaniscus, Senecio erucifolius, 8. jacohaea, 8. vulgaris, 
^'VeridiumP 
carduina, Phorodon (Walker), 1850. Ann. Mag. Nat. Hist., ser. 
2, VI, p. 44. Aphis. 
Carduus nutans, Cirsium lanceolatum. 
caricis, Aphis Schouteden, 19 06. Mems. Soc. Ent. Belg., XII, p. 
218. 
Carex pseudo-cyperus. 
caricis, Carolinaia Wilson, 1911. Can. Ent., XLIII, p. 61. 
Carex sp. 
caricis, Toxoptera Fullaway, 1910. Kept. Hawaii Agr. Exp. Sta., 
(1909), p. 32, fig. 
Carex sp. 
carlucciana, Vacuna Del Guercio, 1913. Redia, IX, p. 289, fig. 
Castanea sativa. 
caniosa, Endeis Buckton, 1883. Mon. Brit. Aphides, IV, p. 92, - 
fig. Taken in ants nest. 
Arena pratensis. 
camosa, Macrosiphum (Buckton), 18 76. Mon. Brit. Aphides, I, 
p. 144. Siphonophora. 
Urtica urens. 
camosa Macrosiphum (Buckton), var. impatientis, Williams, 1911. 
Aphididae Nebraska, p. 74. Siphonophora. 
Impatiens Mflora, I. pallida. 
carotae. Aphis Koch, 1854. Die Pfianzenlause Aphiden, p. 112, fig. 
Daucus carota, D. setulosus, Pastinaca sativa, Tordylium apulum. 
Tordylium apulum. 
carpini, CaUipterus Koch, 1855. Die Pfianzenlause Aphiden, p. 
216, fig. 
Betula alha, B. tremula, Carpinus hetulus, Corylus avellana. 
