78 Maine Agricultural Experiment Station. 1918. 



Pemphigus cornicularius Pass. Lichtenstein, 1880a. 



Pemphigus cornicularius Pass. (A. pistaciae L. auct. partim). 



Passerini, 1863, p. 72. 

 Pemphigus corniculoides Licht. Lichtenstein, 1880a. 

 Pemphigus derbesi Licht. (P. pallidus Derbes). Buckton, 3, p. 128. 

 Pemphigus follicularius Pass. Lichtenstein, 1880a. 

 Pemphigus folliculoides Licht. Lichtenstein, 1880a. 

 Pemphigus pallidoidcs Licht. Lichtenstein, 1880a. 

 Pemphigus retroflexus Courchet. Lichtenstein, 1880a. 

 Pemphigus semilunarius Pass. Lichtenstein, 1880a. 

 Pemphigus scmilunoides Licht. Lichtenstein, 1880a. 

 Pemphigus utricularius Pass. Lichtenstein, 1880a. 

 Pemphigus utriculoides Licht. Lichtenstein, 1880a. 

 P. vera L. 



Pemphigus coccus Buckton, 1889, p. 141. 

 P. sp. 



Cerato pemphigus zehntneri Schouteden. Schouteden, 1905, p. 188. 



"on undetermined shrub, possibly a Pistacia." 

 Pemphigus edificator Buckton. Buckton, 1893, p. 71. "found on 



what was thought to be a variety of Pistacia terebinthae." 

 Pemphigus minus Derbes. Zoological Record, 1869, p. 501. 



RHUS. 



R. diversiloba T. and G. 



Rholaposiphum rhois Monell (howardii Wilson?). Essig, 1917a, 

 p. 334. 

 R. glabra L. Smooth Sumach 



Pemphigus rhois (Fitch). Jackson, 1908, p. 203. 



Rholaposiphum rhois Monell. Sanborn, 1904, p. 65. 

 R. semilata Murray. 



Melaphis (Schlechtendalia) chinensis (Bell). Baker, 1917j, p. 385 

 R. trilobata. 



Rholaposiphum rhois Monell. Gillette and Bragg, 1915, Jour. Ec. 

 Ent. p. 100. 



R. typhina L. Staghorn Sumach. 



Pemphigus rhois (Fitch). Jackson, 1908, p. 203. 

 R. vernicifera. 



Arimakia araliae Matsumura. Matsumura, 1917a, p. 363. 

 R. sp. 



Pemphigus cornicularius Pass, (pistaciae L. and Boyer). Kalten- 

 bach, 1874, p. 96. 



Pemphigus semilunarius Pass. Kaltenbach, 1874, p. 96. 



Pemphigus utricularius Pass. Kaltenbach, 1874, p. 96. 



Schlechtendalia sinensis Doubleday. Lichtenstein, La Flore. 



Tctrancura (Aploneura) lentisci Pass. Kaltenbach, 1874, p. 97. 



