Fw. Quednau, TAXONOMIC NOTES ON 3 BLACK-BORDERED MYZOCALLIS FROM OAK IN NORTH-AMERICA WITH DESCRIPTIONS OF 2 NEW SPECIES (HOMOPTERA, APHIDIDAE), Canadian Entomologist, 129(6), 1997, pp. 1161-1171
A redescription of Myzocallis (Lineomyzocallis) melanocera Boudreaux &
Tissot is given, and Myzocallis (Lineomyzocallis) neoborealis sp.nov.
and Myzocallis (Lineomyzocallis) atropunctatus sp.nov. are described.
Lectotypes for M. (L.) melanocera and Myzocallis (Lineomyzocallis) wa
lshii (Monell) were designated. Myzocallis (Lineomyzocallis) occultus
Richards is declared a new synonym of M. (L.) walshii. The taxonomic a
ffinities of these aphids are discussed.