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Psylla pyri Family: Psyllidae Cacopsylla is a large and difficult genus with genal cones and a pterostigma; many species cannot be reliably identified without examining the genitalia. One of a few species of Cacopsylla that have a black spot on the inside edge of the forewing, but unlike C. pyricola the male has very distinctive, sickle-shaped parameres (below right). The forewing cells sometimes have dark streaks, especially apically.     Historically very rare with one record prior to 1969, but now the dominant psyllid in many southeast English pear orchards (J. Cross pers comm.). It is not known how widespread it currently is. In warmer parts of Europe there can be 4-5 generations per year; in the UK it is more likely two. Adult: all year (overwinters in bark crevices) Length 3.5 mm
	Adult female: Kent ©Jerry Cross
Nymph: Kent ©Jerry Cross	Adult male: Kent ©Jerry Cross