Digweed, S.C.
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Fenusa pumila Leach, birch leaf miner, Profenusa thomsoni (Konow), ambermarked birch leaf miner (Hymenoptera: tenthredinidae).
MacQuarrie, C.J.K.; Langor, D.W.; Digweed, S.C.; Spence, J.R.
Year: 2013
Catalog ID: 35283
Issued by: Great Lakes Forestry Centre
Availability: PDF (request by e-mail)
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Current status of invasive alien birch-leafmining sawflies (Hymenoptera: Tenthredinidae) in Canada, with keys to species
Digweed, S.C.; MacQuarrie, C.J.K.; Langor, D.W.; Williams, D.J.M.; Spence, J.R.; Nystrom, K.L.; Morneau, L.
Year: 2009
Catalog ID: 29615
Issued by: Northern Forestry Centre
Availability: PDF (request by e-mail)
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Distributions of leafmining sawflies (Hymenoptera: Tenthredinidae) on birch and alder in northwestern Canada
Year: 2004
Catalog ID: 24968
Issued by: Northern Forestry Centre
Availability: PDF (request by e-mail)
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Biological control of the ambermarked birch leafminer, Profenusa thomsoni (Hymenoptera: Tenthredinidae), in Alberta
Digweed, S.C.; McQueen, R.L.; Spence, J.R.; Langor, D.W.
Year: 2003
Catalog ID: 22823
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Fenusa pusilla (Lepeletier), Birch Leafminer, and Profenusa thomsoni (Konow), Ambermarked Birch Leafminer (Hymenoptera: Tenthredinidae).
Langor, D.W.; Digweed, S.C.; Spence, J.R.
Year: 2002
Catalog ID: 20401
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Establishment and spread of two introduced parasitoids (Ichneumonidae) of the birch leafminer, Fenusa pusilla (Tenthredinidae).
Langor, D.W.; Digweed, S.C.; Williams, D.J.M.; Spence, J.R.; Saunders, C.
Year: 2000
Catalog ID: 18187
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (request by e-mail)
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Exotic birch-leafmining sawflies (Hymenoptera: Tenthredinidae) in Alberta
Year: 1997
Catalog ID: 18810
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (request by e-mail)
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Where have all the birch leafminers gone?
Langor, D.W.; Digweed, S.C.; McQueen, R.L.; Spence, J.R.
Year: 1996
Catalog ID: 20940
Issued by: Northern Forestry Centre
Availability: Order paper copy (free), PDF (download)
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Birch-leafmining sawflies
Langor, D.W.; Digweed, S.C.; McQueen, R.L.; Spence, J.R.
Year: 1994
Catalog ID: 20967
Issued by: Northern Forestry Centre
Availability: PDF (download)