Pomona C'olleoe Journal of Entomology 



465 



1901 Aphis fitchii Sander. 13tli Kept. 

 Del. Agr. Exp. Sta. 128. 



Afh'r Schouteden Cat. Aphid 



Bc'lgiqiu- 217, lyo.?. 

 See Aphis padi L. and Macrosi- 

 phuni aventc (Fabr.) Sanb. 

 189S Aphis hakeri Cowen, Homop. Col- 

 orado, p. 1 18. 

 1895 Aphis cephalicola Cowen, Horn. 

 Colo., p. 118. 

 1758 Aphis padi Linn. 

 Aphis liolci Ferrari. 



1835 Apliis zeae Bon. Ann. Soc. 



Ent. Fr. IV, p. 658. 

 After Schouteden, Cat. Aphid 



Belg. p. 225, 1905. 

 According to INIordwilko I909 



the following: 

 175S Aphis padi L. 



179i Aphis avense Fabr. 

 Hence : 

 1758 Aphis padi L. 



1 775 Nectarophora avenae 



Fabr. 

 1791' Aphis avenae Fabr. 

 1901 Siphocoryne avenae 

 (Fabr.) Perg. (After 

 suggestion of Oestl.) 

 See Macrosiphum avenae 

 (Fabr.) Sanb. 

 1773 Aphis pomi De Geer, Memoires 

 III. 

 1775 Aphis pyri mali Fabr. Syst. 



Ent. 

 18t3 Apliis mali Kalt. Mon. Fam. 



Pflz. p. 72. 

 1901 Aphis padi Sand., 12th Kept. 

 Del. Exp. Sta. p. 19I. 



After Gillette, Jr. Ec. Ent. I, 



303, I9O8. 



1879 Calaphis hetulaecolens (Fitch) 



Monell, Bull. U. S. Geo. Survey. 



V, 30. 



1851 Aphis betulEecolens Fitch, Cat. 



Horn. N. Y. 6Q. 

 1879 Callipterus hetulaecolens Thos. 

 8th Rept. Ent. Ill, p. 198. 

 —Callipterus alnifoliae (Fitch) MSS. 

 1851 Lachnus alnifoliae Fitch, Cat. 

 Horn. N. Y. 67. 

 1910 Calaphis castanea (Fitch) Gill. 

 Jr. Ec. Ent. Ill, 368. 

 1856 Aphis castanea Fitch. Rept. Ins. 

 N. Y. Ill, 4.71. 



1870 Chromaphis juglandicola (Kalt.) 



Walk. Zoolog. V, 2006. 

 ISt.'i C'.-illipterus juglandicola Kalt. 



IMonog Pflz. p. 151. 

 1897 Colupha uliiiicola (Fitch) Monell, 



Can. Ent. IX, 102. 

 1858 Brysocrypta ulmicola Fitch, 



5tii Rept. Ins. N Y. 843. 

 I862 Thelaxes ulmicola Walsh Proc. 



Ent. Soc. Phil. I, 301, 305. 

 1890 Pemphigus ulmicola Pack. 



Guide 521.. 

 1879 Glyphina ulmicola Thos. 8th 



Rept. Ent. Ill, pp. 142, 204. 

 1883 Coloplia compressa (Koch) 



Monell, Can. Ent. XIV, 15. 

 1909 Drepanaphis acerifolii (Thos.) 



Del Guer. Rev. Path. Veg. An. IV, 



No. 4. 



1878 Siphonophora acerifolii (Thos.) 

 Bull. Ill Lab. Nat. Hist. II, 4. 



1879 Drepanosiphum acerifolii 

 (Thos.) Monell, U. S. Geol. Surv. 

 Vol. I, 27. 



1909 Phymatosiphum acerifolii 

 (Thos.) Davis, Ann. Ent. Soc. Am. 

 Sept. p. 196. 



1909 Essigella californicus (Essig) Del 

 Guer. Rev. Patli. Veg. Ann. Ill, 

 p. 2. 



1909 Lachnus californicus Essig, P. 

 C. Jr. Ent. I, 4. 



1910 Eiuallipterus tiliae (Linn) Gill., 

 Jr. Ec. Ent. Ill, 367. 



Callipterus tilia? L. 

 1909 Gilleitea corveni (Gill) Borner, 

 Zol. Anz. XXXIV, 498. 

 1907 Chermes cooleyi var. coweni, 

 Gill. Proc. Ac. Nat. Sci. p. 10. 

 185]f Ili/alopterus arundinis (Fabr.) 

 Koch Pflz. 16. 

 1749 Ajjhis pruni Fabr. Syst. Ent. 



IV, 213. 

 1886 Aphis phragmitidicola Oestl. 

 List. Apliid Minn. 44. 



Schouteden considered A. pruni 



and H. arundinis as separate 



species. Cat. Aphid. Belg. 



230, 1905. 



18G8 Liosomaphis herheridis (Kalt.) 



Walk. Zoolog. p. 1119. 



1851 Aphis berberidis Fitch, Cat. 



Horn. Ny. 65. 

 1857 Rhopalosiphum berberidis Kalt., 

 Mon. Pflz. 95. 



