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pear tree psylla

génér. braunfleckiger Birnenblattsauger (Cacopsylla pyri, Psylla piri, Psyllia pyri)
sciences., agric. Birnenblattfloh m (Cacopsylla pyri, Psylla piri, Psyllia pyri); Birnenblattsauger m (Cacopsylla pyri, Psylla piri, Psyllia pyri)