تعريف pear psylla في الإنجليزية الإنجليزية القاموس.
A small plant louse, especially of the eastern United States and Pacific northwest, Psylla pyricola that is a destructive pest of pears, quinces, and similar species
pear psylla
الواصلة
pear psyl·la
النطق
علم أصول الكلمات
[ 'par, 'per ] (noun.) before 12th century. Middle English pere, from Old English peru, from Vulgar Latin pira, from Latin, plural of pirum.