a small jumping plant louse, Psylla pyricola, originally of Europe, that is a major pest of pears in the eastern U.S.
[ 1900-05; Psylla, genus name ]
a small jumping plant louse, Psylla pyricola, originally of Europe, that is a major pest of pears in the eastern U.S.
[ 1900-05; Psylla, genus name ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012