150 Wisco7isin Acade^ny of 8devices, Aids, mid Letters. 
rufa, Macrosiplium Monell, as a var. of M. liriodenclri Monell, 
which see. 
rulipes, Aphis Hartig, 1841. Zeit. Ent. (Germar) III, p. 3 69. 
No food plant given. 
rufomaculata, Coloradoa (Wilson), 1908. Ent. News, XIX, p. 
261. Apliis. 
Chrysanthemum coccineum. 
rufula, Aphis Walker, 18 49. The Zool. VII, p. 47, app. 
Salsola kali. 
rufulus, Pterocoiniiia (Davidson), 1909. Jour. Econ. Ent. II, p 
3 00. Cladobius. 
Populus sp., Salix sp. 
rugicornis, Tetraneura Hartig, 1841. Zeit. Ent. (Germar), III, 
p. 366, no description. 
rumicis, Aphis Linnaeus, 1758. Edition 10, Systema Naturae, p. 
451. 
Achillea millefolium, A. ptarmica, Aegopodium podagraria, Aethusa 
cynapium, Amaranthus caudatus, A. graecizans, Anagallis 
arvensis, Angelica archangelica, A. sylvestris, Anthemis noholis, 
Anthriscus vulgaris, Arctium lappa, A. minus, Asparagus offl- 
cinalis, Atriplex hastata, A. hortensis, A. patula, Benincasa 
cerifera, Berteroa incana. Beta vulgaris, Borago officinalis, 
Brassica campestris, B. oleracea, B. rapa, Buxus sempervirens, 
Capsella hursapastoris, Caucalis latifolia, Centaurea calcitrapa, 
Centranthus sp., Cercis siliquastrum, Chenopodium aWum, C. 
hyhridum. Chrysanthemum leucanthemum, C. segetum, Cichor- 
ium endiva, C. intyhus, Cimicifuga sp., Cirsium arvense, C. 
lanceolatum, C. muticum, C. palustre, Cochlearia armoracia, 
Conium maculatum, Crataegus oxyacantha, Cynoglossum sp., 
Cyperus laevigatus, C. rotundus, Cytisus scoparius. Dahlia 
coccinea, D. nutans, D. varaMalis, Datura stramonium, Daucus 
carota, Deutzia scahra. Digitalis lutea, D. purpurea, Dipsacus 
pilosus, Duchesnea indica, Epilohium als ini folium,. Erica 
gracilis, Erigeron sp., Erodium cicutarium, Eryngium cam- 
pestre. Euphorbia sp., Evonymus atropurpureus, E. europaeus, 
E. maackii, Fragaria sp., Fumaria capreolata, F. officinalis, 
Galium aparine, G. mollugo, G. verum, Genista, anglica, G. ger- 
manica, G. ovata, G. tinctoria, Gladiolus sp., Hypericum hirsu- 
tum, H. montanum, H. perforatum, H. quadrangulum. Ilex 
aquilfolium, Inula dysenterica, I. viscosa, Jasminum officinale. 
Laburnum anagyroides, Lamium purpureum, Lotus cornicula- 
