154 Wisconsin Academy of Sciences, Arts, and Letters. 
'^sambuci, Aphis Miiller, 177 6. Zoologiae Danicae Prodromus, p. 
110, fig. 
Samhucus. 
sambucifoliae, Aphis Fitch, 1851. Rept. Reg. Univ. State N. Y. 
‘Cab. Nat. Hist. p. 66. 
8aml)iicus canadensis, 8. nigra. 
sanborni, Aphis Patch, 1914. Me. Agr. Exp. Sta. Bui. No. 225, p. 
52. 
Ei})es sp. 
sanborni, Macrosiphum Gillette, 19 08. Can. Ent., XL, p. 65, fig. 
ChrysantUemnni sp. (In greenhouses.) 
sanguisorbae, Aphis Schrank, 1801. Fauna Boica, II, p. 106. 
Sanguisorha sp. 
saniculae, Aphis Williams, 1911. Aphididae of Nebraska, p. 56. 
Sanicula canadensis. 
sassceri, Aphis Wilson, 1911. Can. Ent., XLIII, p. 59. 
Anona rectilinata. 
sativae, Aphis Williams, 1911. Aphididae of Nebraska, p. 56. 
Cannabis sativa. 
scabiosae, Aphis Koch, 1854. Die Pflanzenlause Aphiden, p. 63. 
No description. 
scabiosae, Aphis Scopoli, 1763. Entomologia Carniolica, p. 138. 
Ballota nigra, Capsella bursa-pastoris, Galium eruciata, Hieracium 
umbellatum, Nicotiana rustica, Parietaria officinalis, Scabiosa 
arvensis, 8. columbaria, 8. succisa, 8olanum giganteum. 
scabiosae, Macrosiphum (Schrank), 1801. Fauna Boica II, p. 
105. Aphis. 
Capsella bursa-past oris, Hypericum sp., 8cabiosa arvensis, 8. 
colmubaria, 8. succisa, 8. sylvatica, 8pirea lUmaria. 
schoutedeni, Sipha (Del Guercio), Shouteden, 1900. Ann. Soc. 
Ent. Belg., XLIV, p. 134. 
Holcus sp. 
scirpi, Aphis Kittel, 1827. Mem. Soc. Linn. Paris, V. p. 153. 
''8cirpe" sp. 
