Bryobia ribis Thomas Gooseberry bryobia mite

This species was formerly an important pest of gooseberry but is now relatively uncommon. Heavy infestations have a pronounced effect on host bushes, the young foliage turning pale and then brown; damaged leaves often shrivel and fall prematurely. Attacks also have a detrimental effect on cropping, reducing both fruit size and quality. The mites are similar in appearance to

Fig. 343 Female apple & pear bryobia mite. Bryobia nibrioculus (x60).

Bryobia praetiosa but biologically distinct, as it overwinters in the egg stage. There is just one generation each year.

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