177 



Pemphiííus hursarius (L.) 



marsupialis Courch. 

 populi Courch. 

 spirothecae Pass 

 Perrisia = Uasyneura 

 PhyHaphis fagi ÍL.) 

 Pliylloccptes anthobius Nal. 

 gracilipes Nal. 

 „ populi Nal. 



setiger Nal. 

 teucrii Nal. 

 Phylloxera coccinea (Heyd.) 

 Phytoptus — : Eriophyes 

 Piiicus pini (L.) 



Pontania kriechbaunieri Konow 

 leucosticta (Mart.) 

 pedunculi (Hart.) 

 „ proxima (Lepel.) 29, 30 



puella (Thoms.) 

 salicis (Christ) 

 vesicatrix (Br.) 

 viininalis (Hart.) 

 Prociphilus nidificus (Fr. Low) 

 Psylla alni (L.) 



buxi L. . . . 

 crataegi Schrank 

 pyri L. . . . 

 pyrisuga Forst. 

 Psyllopsis íraxiui (L.) . 

 Pterophorus microdactylus liiibn 

 Putoniella marsupialis (Fr. Low) 

 Retinia buoliana Schiff . 



resinana L. = Retinia resinella 

 resinella L. 

 Rhabdophaga dubia Kieff, 



„ heterobia (li. Loew 



nervorurn Kieff. 

 „ pulvini Kieff. 



31, 

 29, 



32. 33, 35 

 31, 34, 35 



Str. 



49, 52 

 51, 52 



50, 52 

 50, 52 



. 91 



. 159 



. 92 



. 47 



133, 134 



. 151 

 59, 76 



37 



36, 38 



38, 40, 41 



28, 



38, 41. 42. 



33, 



33. 



153, 



26 



40 



. 39 



40 



42 



30 



43 



42 



35 



154 



55 



99 



143 



139 



139 



152 



166 



138 



24 



24 

 39 

 32. 41 

 37 

 34 

 12 



