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Current status of invasive alien birch-leafmining sawflies (Hymenoptera: Tenthredinidae) in Canada, with keys to species. 2009. Digweed, S.C.; MacQuarrie, C.J.K.; Langor, D.W.; Williams, D.J.M.; Spence, J.R.; Nystrom, K.L.; Morneau, L. Canadian Entomologist 141(3): 201-235.
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