THE GENUS MYZOCALLIS-PASSERINI, 1860 - A WORLDWIDE CLASSIFICATION OF ITS SUBGENERA WITH DESCRIPTIONS OF NEW PALAERCTIC SPECIES (HOMOPTERA, APHIDIDAE)

In the scope of a worldwide revision of the genus Myzocallis, a key of the following subgenera is presented: Agrioaphis Walker (type: Aphis myricae Kaltenbach), Californicallis subg.nov. (type: Myzocallis agrif olicola Richards), Castaneomyzocallis Quednau and Remaudiere (type: Ap his castaneae Fitch), Globulicaudaphis Hille Ris Lambers (type: G. pak istanica H.R.L.), Lineomyzocallis Richards (type: Aphis bella Walsh), Myzocallis s.str. (type: Aphis coryli Goeze), Neodryomyzus subg.nov. ( type: Myzocallis polychaetus David), Neomyzocallis Richards (type: Cal lipterus punctatus Monell), Paramyzocallis subg.nov. (type: Myzocallis tenochca Remaudiere and Quednau), and Pasekia Aizenberg (type: Hoploc allis komareki Pasek). Four new species of Myzocallis living on variou s species of Quercus in southern Europe, Turkey, Iran, and Pakistan ar e described: M. (Neodryomyzus) naumnni sp.nov., M. (Pasekia) mediterra neus sp.nov., M. (P.) persicus sp.nov., and M. (P.) tauricus sp.nov., and a new subspecies, M. (Agrioaphis) castanicola leclanti ssp.nov., h ost-specific to Castanea in southern Europe. Keys are given for the sp ecies belonging to the palaearctic subgenera of Myzocallis.