Bombus melanurus Lepeletier melanurus Lepeletier, [1835]:469, examined Tschitscherini Radoszkowski, 1862:591 [lan-tschóuensis Vogt, 1909:53, infrasubspecific] subdistinctus Richards, 1928a:333, examined lantschouensis Tkalcu, 1961:360, examined, not of Vogt, 1908:101 (= B. patagiatus Nylander) TAXONOMIC STATUS: The taxa melanurus, difficillimus, and tschitscherini have been treated both as conspecific and as separate species (Williams, 1991 [pdf]). Aside from differences in colour pattern, they are closely similar in morphology. Nonetheless, B. melanurus can be differentiated by the morphology of the male genitalia (Williams, 1991 [pdf]). Evidence from comparisons of 16S gene sequences is consistent with B. melanurus and B. difficillimus being separate species (Cameron et al., 2007 [pdf]). A study of larger samples of COI barcodes (Williams et al., 2011 [pdf]) supports the interpretation that B. melanurus is a broadly distributed species that includes the taxon tschitscherini, while B. difficillimus is well supported as a separate species. It remains possible that the taxon tschitscherini might be considered a separate species, depending on which species concept is applied. DISTRIBUTION: Oriental, Palaearctic Regions.
Bombus fedtschenkoi Morawitz Fedtschenkoi Morawitz in Fedtschenko, 1875:5, examined fertoni Vogt, 1911:63, examined
DISTRIBUTION: Palaearctic Region.
Bombus appositus - Cresson, 1878 White-Shouldered Bumble BeeSynonym(s): Bombus (Subterraneobombus) appositus Cresson, 1878 Taxonomic Status: Accepted Related ITIS Name(s): Bombus appositus Cresson, 1878 Informal Taxonomy: Animals, Invertebrates - Insects - Bumble Bees Bombus appositus is a species of bumblebee known commonly as the white-shouldered bumblebee. It is native to western North America, including western Canada and the western United States. This species is a host to Bombus insularis, a species of cuckoo bumblebee.
Bombus amurensis Radoszkowski Amurensis Radoszkowski, 1862:590, examined mongol Skorikov, 1912:607, examined chaharensis Yasumatsu, 1940:94, type lost
TAXONOMIC STATUS: This species has been much confused with B. fragrans (Williams et al., 2011 [pdf]).
DISTRIBUTION: Palaearctic Region, Oriental borders.
Bombus sulfureus Friese sulfureus Friese, 1905:521, examined
DISTRIBUTION: Palaearctic Region.
Bombus sibiricus (Fabricius) fibirica [sibirica] (Fabricius, 1781:478 [Apis]) examined flaviventris Friese, 1905:514, examined ochrobasis Richards, 1930:655, examined nikiforuki Tkalcu, 1961b:354, examined
COMMENT: B. flaviventris has long been placed in the subgenus Subterraneobombus (e.g. Skorikov, 1922a; Richards, 1930, 1968), although the characters of the females (Williams, 1991 [pdf]) and the males agree with the species of the subgenus Sibiricobombus.
DISTRIBUTION: Oriental, Palaearctic Regions.
Bombus obtusus Richards obtusus Richards, 1951:196, examined DISTRIBUTION: Palaearctic Region.
Bombus genalis Friese genalis Friese, 1918:84, examined
TAXONOMIC STATUS: From COI barcodes, B. genalis appears to be discrete and is likely to be separate species. DISTRIBUTION: Oriental Region.
Bombus grahami (Frison) grahami (Frison, 1933:334 [Bremus]), examined
DISTRIBUTION: Oriental Region.
Bombus kashmirensis Friese kashmirensis Friese, 1909[September, Tkalcu, 1974b]:673, examined stramineus Friese, 1909[September, Tkalcu, 1974b]:673 tetrachromus Cockerell, 1909[November, Tkalcu, 1974b]:397, examined pulcherrimus (Skorikov, 1914a:128 [Alpigenobombus])
TAXONOMIC STATUS: Several of these nominal taxa have been treated as separate species. However, aside from differences in colour pattern, they are closely similar in morphology with a range of variation (Williams, 1991 [pdf]:68). 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 (1974b) first regarded B. kashmirensis and B. stramineus as conspecific and, following the Principle of First Reviser (ICZN, 1999: Article 24), chose B. kashmirensis as the name for the species.
DISTRIBUTION: Oriental Region, Palaearctic border.
Bombus nobilis Friese nobilis Friese, 1905:513 ?sikkimi Friese, 1918:82, examined [morawitziides Skorikov, [1923]:159, published without description] [moravitziides Skorikov, 1931:203, published without description] ?morawitziides (Skorikov, 1933a:62 [Nobilibombus]) examined ?xizangensis Wang, 1979:188, examined chayaensis Wang, 1979:189, examined DISTRIBUTION: Oriental Region.
Bombus wurflenii Radoszkowski Wurflenii Radoszkowski , 1860:482, examined [Wurfleini Radoszkowski, 1877b:191, incorrect subsequent spelling] mastrucatus Gerstaecker, 1869:326, examined alpigenus Morawitz, 1874:132 DISTRIBUTION: Palaearctic Region.
Bombus balteatus Dahlbom balteatus Dahlbom, 1832:36 nivalis Dahlbom, 1832:40 tricolor Dahlbom, 1832:41 tristis Sparre-Schneider in Friese, 1902:495, not of Seidl, 1837:69 (= B. humilis Illiger)
DISTRIBUTION: Arctic, Palaearctic Regions.
Bombus neoboreus Sladen strenuus Cresson, 1863:102, not of Harris, 1776:131 (= B. lapidarius (Linnaeus)) neoboreus Sladen, 1919:28 2 names TAXONOMIC STATUS: Recent evidence from genes supports B. neoboreus and a currently unnamed cryptic species as separate species (Williams et al., 2015 [pdf]). NOMENCLATURE: B. strenuus Cresson (1863) is a junior secondary homonym in Bombus of Apis strenuus Harris (1776), and therefore the name B. strenuus Cresson is invalid (ICZN, 1999: Article 57). For this species, the oldest available name is B. neoboreus, which becomes the valid name. The only publications using the name B. strenuus Cresson since 1950 of which I am aware are by Hurd (1979), Milliron (1973a) and Poole (1996), so this change of valid name is not a serious disruption of common usage. DISTRIBUTION: Arctic, W Nearctic Regions.
Bombus cryptarum (Fabricius) cryptarum (Fabricius, 1775:379 [Apis]) albocinctus Smith, 1854:397 modestus Cresson, 1863:99, not of Eversmann, 1852:134 (= B. modestus Eversmann) moderatus Cresson, 1863:109, replacement name for modestus Cresson, 1863:99 iranicus Krüger, 1954:273 ?borochorensis Krüger, 1954:273 ?turkestanicus Krüger, 1954:274 ?burjaeticus Krüger, 1954:277 florilegus Panfilov, 1956:1334 reinigianus Rasmont, 1984:137 armeniensis Rasmont, 1984:138 DISTRIBUTION: Palaearctic, Oriental, Arctic, W Nearctic Regions.
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