The first record of a European blackberry leaf gall midge, Dasineura plicatrix (Loew), is confirmed from North America. Specimens were reared from damaged leaves of blackberry, Rubus laciniatus Willd. (thornless variety ‘Chester’), and red raspberry, R. idaeus L. (variety ‘Cascade Delight’) (Rosaceae), in southwestern British Columbia. Photographs of the damage and illustrations of the male terminalia and female ovipositor are presented to assist future determinations.
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