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Bryobia vasiljevi Reck
Synonymns: B. repensi Manson 1967
Probability of Encounter: Unknown
Quarantine importance: High.
Bryobia vasiljevi Reck is a member of the praetiosa-complex and may be a damaging pest of apple, passion fruit, asparagus, wheat and other grasses, and some flowers in Europe, Australia, and New Zealand. Males are not present.
Dorsally flattened mites with red cuticle; dark body contents; short, flattened, white setae; and very long legs I.
Claws hooked; empodium pad-like and with more than 1 pair of tenent hairs.
Prodorsum with 4 pairs of setae (vi, ve, sci, sce), vi and ve borne on prominent lobes over gnathosoma.
Median lobes longest and partially fused medially; outer lobes well developed and mound-like.
Femur I with 24-26 setae.
Opisthosoma with 12 pairs of setae (c1-3, d1-3, e1-3, f1-2, h1, typically club-shaped.
Similar taxa. Differentiating this species from other members of the praetiosa-complex is difficult and best done by a specialist.
Bolland HR, J Gutierre & CHW Flechtmann. 1998. World Catalogue of the Spider Mite Family (Acari: Tetranychidae). Brill: Leiden.
Manson DCM. 1967. The spider mite family Tetranychidae in New Zealand I. the genus Bryobia. Acarologia 9: 76-123.
Zhang Z-Q. 2003. Mites of greenhouses: identification, biology and control. CABI Publishing, Wallingford: 244 pp.