Pear psylla
and orange red to blackish. They have white, longitudinal stripes on the back of the thorax. Their forewings are clear with dark veins. The eggs are oval [...] markings on the head and body. Pear psyllas overwinter as adults, sheltering on the bark of pear trees. The adults become active in spring and start to feed on [...] General The pear psylla, Cacopsylla pyri , is a widely distributed pest of pear in central Europe and can inflict serious damage in pear orchards. Damage