WOOLLY APHIDS OF THE ELM. 281 



Q. bicolor Willd. Swamp White Oak. 



Callipierus discolor Monell (^Nlyzocallis bella Thomas) (Myzo- 

 calHs quercicola Thomas mss.) (C. asclepiadis ^lonell?). 

 Hunter, 1901, p. 90. 

 Callipteriis discolor Monell. Monell, 1879, p. 30. 

 Callipteriis punctata Alonell. Monell, 1879, p. 30. 

 Phylloxera rileyi Licht. Hunter, 1901, p.' 72. 

 Q. cerris Linn. 



Phylloxera spinulosa Targioni-Tozzetti. Zoological Record, 1875, 



p. 512. 

 PsyUoptera quercina Ferrari. Ferrari, 1872, p. 86. 

 Pterochloriis longipes Leon Dufour (Aphis) (roboris Boyer) 



(Dryobius croaticus Koch). Ferrari, 1872. p. 82. 

 Dryaphis cerricola Del Guercio. Del Guercio, 1907 (1908) Redia 



V, p. 345- 

 Dryaphis rohoris nigra Del Guercio. Del Guercio, 1907 (1908; 

 Redia V, p. 345. 

 Q. coccifera L. 



Phylloxera quercus Beyer, Buckton, 4, p. 50. 

 Q. cocci nea Wang. Scarlet Oak. 



Callipteriis bellits (Walsh) (C. walshii ^lonell). Hunter, 1901, 

 p. 89. 

 Q. cuspidata Thunb. (Pasania cuspidata Oerst.) 



Trichosiphuin pasaniae Okajima. Okajima, 1908, p. 5. 

 Trichosiphum tenuicorpus Okajima. Okajima, 1908, p. 4. 

 Q. dentata Ttounib. (daimio.) 



Phylloxera querceti Pergande. Pergande. 1904b, p. 265. 

 Q. Douglasii Hook and Arn. 



Callipterus quercus Kalt (?). Davidson, 1910, p. 376. 

 Q. Farnetto Tenore (pannonica). 



Phylloxera querceti Perg. Pergande, 1904b, p. 265. 

 Q. Ilex L. Evergreen Oak. 



Aphis rU'iiiicis Linn, (fabae Kirbj') (genistae Scop.") (ulicis Fab?) 

 (Euphorbiae Kalt?) (dahliae Mosley) (Cinara rumicis ^losley) 

 (Rumicifex Amyot) (Genistifex Amyot). Buckton, 2, p. 84. 

 Callipterus quercus (Kalt.) Koch. (Myzocallis quercus Pass.) 



Buckton, 3, p. 22. 

 Dryaphis ilicina Del Guercio. (Aphis ilicicola Boisduval) Del 



Guercio, 1907 (1908), Redia V, p. 345. 

 Dryaphis iliciphila Del Guercio. (Aphis ilicicola Boisduval) Del 



Guercio 1907 (1908) Redia V, p. 345. 

 Dryobius croaticus Koch (A. roboris Walker not Linn). Buck- 

 ton, 3, p. 76. 

 Phylloxera cocciiica Kalt. Passerini, Flora. 

 Phylloxera florentina Targioni. Buckton, 4, p. 71. 

 Phylloxera quercus Boyer. Fusclimi, 1906 C1907) Redia IV, p. 



361. 

 J'acuna dryophila (Schrank) Kalt. Passerini. 1863, p. 83. 



