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Fifth instar (nymph) of pear psylla,
Cacopsylla
(=
Psylla
)
pyricola
.
Fifth instar (nymph) of pear psylla,
Cacopsylla
(=
Psylla
)
pyricola
. Credit: Jack Kelly Clark
Fifth instar (nymph) of pear psylla, Cacopsylla (=Psylla) pyricola. Credit: Jack Kelly Clark
