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Delineating species for conservation using mitochondrial sequence data: The taxonomic status of two problematic Bombus species (Hymenoptera: Apidae)

journal contribution
posted on 2023-06-08, 18:59 authored by J S Ellis, M E Knight, Dave GoulsonDave Goulson
Across Western Europe and North America, many bumblebee species are currently undergoing drastic declines in their abundance and ranges, primarily as a result of habitat fragmentation. In contrast, a smaller number of species are seemingly unaffected by this and remain common. The UK Biodiversity Action Plan-designated Bombus ruderatus belongs to the former group while B. hortorum belongs to the latter. These two species are sympatric and remarkably similar in morphology. There are no diagnostic characters for workers and male genitalia are illustrated with the same diagram in standard keys. Isolated records of putative B. ruderatus occur amongst a mass of records for B. hortorum. This raises two important issues: first, are B. ruderatus and B. hortorum 'good' species? Second, if they are, can the uncertainty over their identification be resolved? We present COII and cytochrome b mtDNA sequence data from these and other Bombus species. Molecular data and coat colour characters are in concordance and confirm that B. ruderatus and B. hortorum should be regarded as separate species (although coat colour alone is an unreliable diagnostic character for many individuals). Confirmation of the specific status of B. ruderatus allows the work on the conservation of this species to continue. © Springer 2005.

History

Publication status

  • Published

Journal

Journal of Insect Conservation

ISSN

1366-638X

Publisher

Springer Verlag

Issue

2

Volume

9

Page range

75-83

Department affiliated with

  • Evolution, Behaviour and Environment Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2014-11-25

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