WiUon~Yickery—List of Aphididae. 
Piiotinea serratiila. 
Myzus cerasi Fabricius. 
Phragmites sp. 
Hyalopterus pruni Fabricius. 
Phragmites communis. 
Aphis phragmitidicola Oestlund. 
Hyalopterus arundinus Fabricius. 
Stenaphis monticellii Del Guercio. 
Phragmites vulgaris. 
Hyalopterus arundinus Fabricius. 
Phyllostachys sp. 
Aphis hamhusae Fullaway. 
Physalis sp. 
Macrosiphum solanifolii Ashmead. 
Physalis peruviana. 
Macrosiphum circumflexa Buckton. 
Physocarpus opulifolius=:Neillia opulifolia. 
Aphis neilliae Oestlund. 
Picea sp. 
Chernies ahieticolens Thomas. 
Chernies piceae Ratzeburg. 
Chermes viridis Ratzeburg. 
Dreyfusia nussUni Borner. 
Penipihgus piceae Hartig. 
Prociphilus xylostei DeGeer. 
Picea abies=P. excelsa. 
Aphis pilicornis Hartig. 
Chernies ahietis Linnaeus. 
Chernies coccineus Ratzeburg. 
Chernies conifer arum Cholodkovsky. 
Chermes funitectus Dreyfus. 
Chermes lapponicus Cholodkovsky. 
Chernies lapponicus praecox Cholodkovsky. 
Chermes orientalis Dreyfus. 
Chernies pictinatae Cholodkovsky. 
Chernies picaeae houvieri Cholodkovsky. 
Chermes pini Macquart. 
