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BrevicepsОпределение:Bombus breviceps Smith TAXONOMIC STATUS: Several of these nominal taxa have been treated as separate species. At least B. dentatus [Himalaya] may prove to be separate species (e.g. Tkalcu, 1968b, 1989). However, aside from differences in colour pattern, they are similar in morphology with a range of variation (Williams, 1991 [pdf]:67). Until more evidence to the contrary is available from critical studies of patterns of variation, I shall treat them as parts of a single variable species. NOMENCLATURE: Tkalcu (1968b) first regarded B. nasutus and B. breviceps as likely to be conspecific and, following the Principle of First Reviser (ICZN, 1999: Article 24), chose B. breviceps as the name for the species. DISTRIBUTION: Oriental Region. |