12 



Aspidiotus saliceti Kaltenbach, Pflanzenfeinde aus der Klasse Insek- 



ten, p. 587 (1874). 



CAi0nasJ>is frapwi Ormerod, Man. Inj. Ins., (First Ed.), p. 176 (1881). 

 Chionaspis salicis F. Low, Wien. Ent. Zeit., Vol. II., p. 6 (1883). 

 Chionaspis salicis Targioni-Tozzetti, Annali d'Agricoltura,p.384(i884). 

 Chionaspis vaccinii Goethe, Beobachtung iiber Schildlause und deren 



Feinde, angestellt an Obstbaumen und Reben ims 



Rheingau, p. 116 (1884). 

 Chionaspis fraxini Douglas, Ent. Mon. Mag., Vol. XXII., p. 



160 (1885). 



Chionaspis populi Douglas, Ent. Mon. Mag., Vol. XXII., p.247 (1885). 

 Chionaspis salicis Douglas, Ent. Mon. Mag., Vol. XXII., p. 249(1885). 

 Chionaspis alni Douglas. Ent. Mon. Mag., Vol. XXII., p. 249 (1885). 

 Chionaspis aceris Douglas, Ent. Mon. Mag., Vol. XXII., p. 159(1885). 

 Chionaspis zw# Douglas, Ent.Mon. Mag., Vol. XXII., p. 246(1885). 

 Chionaspis fraxini Newstead, Ent. Mon. Mag., Vol. XXVI., p. 



436 (1889). 



Chionaspis fraxini Mosley, Naturalists' Guide, Vol. VI., p. 8 (1890). 

 Chionaspis populi Mosley, Naturalists' Guide, Vol. VI., p. 31 (1890). 

 Chionaspis fraxini Curtis, Manifestation of Disease in Forest Trees, 



p. 33 (1892). 



Chionaspis salicis Morgan, Ent. Mon. Mag., Vol. XXIX., p. 16(1892). 

 Chionaspis salicis Lintner, Ninth Rep. Ins. N. Y., p. 411 (1893). 



Chionaspis fraxini , Brit. Nat, p. 23 (1894). 



Aspidiotus fraxini Henschel, Die schadlichen Forst-und Obstbaum- 



Insekten, p. 514 (1895). 

 Aspidiotus salicis Henschel, Die schadlichen Forst-und Obstbaum- 



Insekten, p. 514 (1895). 



Chionaspis salicis Gillette and Baker, Hemipt. of Colo., p. 129 (1895). 

 Chionaspis alni Cockerell, Can. Ent., Vol. XXVII., p. 33 (1895). 

 Chiofiaspis salicis Reuter, Meddel. Soc. Fauna Flo. Fenn., Hft. 22, p. 



21 (1896). 

 Chionaspis vaccinii Cockerell, Bull. U. S. Dept. Agr., Div. Ent., Tech. 



Ser., No. 4, p. 54 (1896). 



