Askew, R.R. 1964, Chalcidoidea (Hymenoptera) in the Manchester Museum (part 3). Entomologist
97:267
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Askew, R.R.; Ruse, M. 1972, Variation in Sympiesis sericeicornis (Nees) and its sibling species S. grahami Erdös (Hym., Eulophidae) in northern England. Entomologist
105:53-58
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Askew, R.R.; Shaw, M.R. 1974, An account of the Chalcidoidea (Hymenoptera) parasitizing leaf-mining insects of deciduous trees in Britain. Biological Journal of the Linnean Society
6(4):292-293
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Askew, R.R.; Shaw, M.R. 1976, Chalcidoidea (Hymenoptera) at Abbot's Moss, Cheshire. Lancashire and Cheshire Fauna Society
69:19-22
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Askew, R.R.; Shaw, M.R. 1979, Mortality factors affecting the leaf-mining stages of Phyllonorycter (Lepidoptera: Gracillariidae) on oak and birch. 2. Biology of the parasite species. Zoological Journal of the Linnean Society
67:51-64
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Walker, F. 1839, Monographia Chalciditum
1:159
London
(Parasitoid identification correct)
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Walker, F. 1839, Monographia Chalciditum
1:160-162
London
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Walker, F. 1839, Monographia Chalciditum
1:181
London
(Parasitoid identification correct)
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