318 Wisconsin Academy of Sciences, Arts, and Letters. 
Ribes viscosissimimi. 
Myzus rihis Linnaeus. 
Ribes vulgare=R. rubrum. , * 
Aphis grossulariae Kaltenbach. 
Aphis rihis Sanborn. 
Myzus rihis Linnaeus. 
Myzus rihis trifasciata Del Guercio. 
Rhopalosiphum lactucae Kaltenbach. 
Richardia africana. 
Macrosiphum callae Heinrich. 
Macrosiphum circumflexa. 
Rhopalosiphum persicae Sulzer. 
Siphocoryne nymphaeae Linnaeus. 
Ricinus communis. 
Rhopalosiphum persicae Sulzer. 
Robinia pseudo-acacia. 
Aphis lahurni Kaltenbach. 
Aphis rohiniae Macchiati. 
Aphis rumicis Linnaeus. 
Callipterus rohiniae Gillette. 
Macrosiphum ulmariae Schrank. 
Rhopalosiphum persicae Sulzer. 
Robinia viscosa. 
Aphis medicaginis Koch. 
Rosa sp. 
Aphis diplepha Reflnesque. 
Aphis rhodryas Rafinesque. 
Hyalopterus flavus Schouteden. 
Lachnus maculatus Lichtenstein. 
Lachnus rosarum Van Der Goot. 
Macrosiphum pallida Oestlund. 
Macrosiphum rosaefolium Theobald. 
Macrosiphum rosaeollae Theobald. 
Macrosiphum rosarum Koch. 
Macrosiphum solanifolii Ashmead. 
Macrosiphum ulmariae Schrank. 
Rhopalosiphum nervatum Gillette. 
Rosa califomica. 
Myzus rosarum Walker. 
