The British harvestman fauna amounted to 22 species in 1969, and increased by almost 30% to 31 species in the following 50 years. The recent additions are discussed, and an updated checklist is provided. Although some of these species had been considered as relicts, there is little evidence to suggest that they are anything other than recent immigrants, with distributions and patterns of spread largely consistent with that view. Possible future immigrants or overlooked species are considered, along with some of the pressures driving change.
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Vol. 18 • No. 3