Bombus imitator Pittioni imitator Pittioni,

1949:251, examined flavescens Pittioni,

1949:254, not of Smith,

1852a:45 (= B. flavescens Smith) 3 names

DISTRIBUTION: Oriental Region.

Bombus honshuensis (Tkalcu) honshuensis

(Tkalcu, 1968a:47 [Megabombus]) 2 names

TAXONOMIC STATUS: B. honshuensis and B. schrencki have allopatric distributions in northern Japan (Sakagami & Ishikawa, 1969; Ito & Munakata, 1979: fig. 6; Ito, 1993), with B. honshuensis being possibly a peripheral population of B. schrencki. The two taxa are closely similar, although despite variation in morphology, apparently consistent differences have been described (Tkalcu, 1968a; Sakagami & Ishikawa, 1972).

DISTRIBUTION: Japanese Region.

Bombus hedini Bischoff unicolor Friese,

1905:514 examined not of Kriechbaumer,

1870:159 (= B. maxillosus Klug) hedini Bischoff, 1936:15 2 names

DISTRIBUTION: Palaearctic, Oriental Regions.

Bombus exil (Skorikov) exiln. nov.

(Skorikov, [1923]:150 [Mucidobombus]) [not a replacement name]

[exul (Skorikov, 1931:216 [Mucidobombus]) incorrect subsequent spelling]

exil (Milliron, 1961:56 [Megabombus]) justified emendation [exilis Richards,

1968:254, incorrect subsequent spelling] exul (Tkalcu, 1974a:42 [Megabombus])

unjustified emendation 5 names

DISTRIBUTION: Palaearctic Region, Arctic border.

Bombus diligens Smith diligens Smith,

1861:154, examined dolichocephalus Handlirsch,

1888:244 2 names

DISTRIBUTION: S Nearctic Region.

Bombus digressus (Milliron) digressus

(Milliron, 1962:730 [Megabombus])

examined 1 name

COMMENT: Until 1990 this species was known from very few specimens.

However, recent collections have shown it to have been overlooked.

DISTRIBUTION: S Nearctic, N Neotropical Regions.

Bombus deuteronymus Schulz senilis Smith,

1879:131, examined, not of Fabricius,

1775:382 (= B. pascuorum (Scopoli)) deuteronymus Schulz,

1906:267, replacement name for senilis Smith,

1879:131 [superequester (Skorikov, 1914c:405 [Agrobombus]) infrasubspecific]

superequester (Skorikov, 1926:116 [Agrobombus]) bureschi Pittioni,

1939b:1, examined 13 names

DISTRIBUTION: Palaearctic, Japanese, Oriental Regions.

Bombus brasiliensis Lepeletier brasiliensis Lepeletier,

[1835]:470, examined 3 names

DISTRIBUTION: E Neotropical Region.

Bombus bellicosus Smith thoracicus Sichel,

1862:121, not of Spinola, 1806:30 (= B. pascuorum (Scopoli))

bellicosus Smith, 1879:131, examined Emiliae Dalla Torre,

1890:139, replacement name for thoracicus Sichel,

1862:121 7 names

DISTRIBUTION: E Neotropical Region, S Neotropical border.

Bombus atripes Smith atripes Smith,

1852a:44, examined 1 name

DISTRIBUTION: Oriental Region.

Bombus steindachneri Handlirsch
Steindachneri Handlirsch, 1888:239
TAXONOMIC STATUS: B. medius and B. steindachneri have been regarded both as separate species (Milliron, 1973a; Labougle, 1990) and as conspecific (G. Chavarría, pers. com.).
DISTRIBUTION: S Nearctic Region.

Bombus pullatus Franklin
niger Franklin, 1913:120, examined
pullatus Franklin, 1913:122, examined
TAXONOMIC STATUS: At least four species of the subgenus Thoracobombus from Central and South America have many individuals for which the pubescence is almost entirely black. The genitalia of the males are quite distinctive, but association of the conspecific females with these males has caused problems.
DISTRIBUTION: N Neotropical, W Neotropical Regions.

Bombus inexspectatus (Tkalcu)
lutescens Krüger, 1939:105, not of Pérez, 1890:154 (= B. flavidus Eversmann)
inexspectatus (Tkalcu, 1963:187 [Agrobombus])
[inexpectatus (Reinig, 1981:161 [Megabombus]) incorrect subsequent spelling]
DISTRIBUTION: Palaearctic Region.

Bombus brevivillus Franklin
brevivillus Franklin, 1913:119, examined
abditus (Tkalcu, 1966:271 [Megabombus])
DISTRIBUTION: E Neotropical Region.

Bombus personatus Smith
personatus Smith, 1879:132, examined
Roborowskyi Morawitz, 1887:197, examined

DISTRIBUTION: Oriental Region.