Bombus


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  Mendacibombus annotated checklist
Bombias Mendacibombus
Back to tree Number of species in equal-area (611,000 kmĀ²) grid cells with an equal-interval blue scale.
12 species

 

B. himalayanus
B. himalayanus male mate-searching.

Mendacibombus
ecology and behaviour

 

HABITAT: High alpine grassland and mountain meadows.

 

FOOD-PLANTS: Medium tongue-length bumblebees visiting medium-depth flowers.

 

NESTING BEHAVIOUR: Nests underground. Larvae are reared in separate cells throughout their development, non-pocket makers. Food reserves are held in hexagonal wax cells outside the brood-nest envelope (Haas, 1976).

 

MATE-SEARCHING BEHAVIOUR: Males have enlarged compound eyes relative to the females. Six species studied perch (e.g. photo left), race after potential mates, and may be truly territorial (Williams, 1991 [pdf]).

 

Subgenus MENDACIBOMBUS Skorikov
Mendacibombus Skorikov, 1914a:125, type-species Bombus mendax Gerstaecker by subsequent designation of Sandhouse, 1943:572
Bombus (Mendacibombus) Krüger, 1917:62

 

Part of the bumblebee phylogenetic tree including available Mendacibombus species from an analysis of DNA sequence data for five genes (Cameron et al. 2007 [pdf]). Values above branches are Bayesian posterior probabilities, values below branches are parsimony bootstrap values.

 

avinoviellus
convexus
defector
handlirschianus

himalayanus
makarjini
margreiteri
marussinus

mendax
superbus
turkestanicus
waltoni

 

Bombus (Md.) superbus (Tkalcu)subgeneric listall names
superbus (Tkalcu, 1968a:22 [Mendacibombus]) examined
2 names

TAXONOMIC STATUS: Although ostensibly described from Mongolia (probably a mislabelling), this species is endemic to some of the higher parts of the Tibetan plateau.

DISTRIBUTION: Oriental Region.

 

Bombus (Md.) waltoni Cockerellsubgeneric listall names
chinensis Skorikov, 1910a:330, examined, not of Morawitz, 1890:352 (= B. chinensis (Morawitz))
waltoni Cockerell, 1910b:239, examined
5 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Oriental Region.

 

Bombus (Md.) convexus Wangsubgeneric listall names
lugubris Morawitz, 1880:339, examined, not of Kriechbaumer, 1870:159 (= B. maxillosus Klug)
convexus Wang, 1979:190, examined
2 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Oriental Region.

 

Bombus (Md.) makarjini Skorikovsubgeneric listall names
makarjini Skorikov, 1910a:329, examined
4 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Palaearctic Region, Oriental border.

 

Bombus (Md.) himalayanus (Skorikov)subgeneric listall names
?varius (Skorikov, 1914a:125 [Mendacibombus]) examined, not of Lepeletier, 1832:381 (= B. campestris (Panzer))
himalayanus (Skorikov, 1914a:127 [Mendacibombus]) examined
5 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Oriental Region.

 

Bombus (Md.) turkestanicus Skorikovsubgeneric listall names
turkestanicus Skorikov, 1910a:329, examined
1 name

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Palaearctic Region, Oriental border.

 

Bombus (Md.) defector Skorikovsubgeneric listall names
defector Skorikov, 1910a:329, examined
1 name

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Palaearctic Region.

 

Bombus (Md.) marussinus Skorikovsubgeneric listall names
marussinus Skorikov, 1910a:330, examined
afghanus Reinig, 1940:230, examined
4 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Palaearctic Region, Oriental border.

 

Bombus (Md.) avinoviellus (Skorikov)subgeneric listall names
avinoviellus (Skorikov, 1914a:126 [Mendacibombus]) examined
callophenax Cockerell, 1917:122, examined

6 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Oriental Region.

 

Bombus (Md.) margreiteri Vogtsubgeneric listall names
altaicus Skorikov, 1910a:329, not of Eversmann, 1846:436 (= B. melanurus Lepeletier) examined
margreiteri Vogt in Skorikov, 1910a:330, examined
2 names

TAXONOMIC STATUS: Skorikov's (1910a) descriptions of varieties of B. mendax are all of females. Many of these nominal taxa have subsequently been treated as separate species (e.g. Skorikov, 1931; Rasmont, 1988).

However, I have examined type material or other material identified by Skorikov for all of these taxa and find some of them to be morphologically closely similar. The females of the white-banded taxon altaicus and the yellow-banded taxon margreiteri differ from one another principally in colour, and the only males I have seen associated with them (collections in London, Amsterdam, St Petersburg, Beijing, Sapporo) have closely similar genitalia (which are distinct from B. mendax).

Until more evidence to the contrary is available from critical studies of patterns of variation, I shall continue to treat the taxa altaicus and margreiteri as parts of a single variable species, B. margreiteri.

DISTRIBUTION: Palaearctic, Oriental Regions.

 

Bombus (Md.) handlirschianus Vogtsubgeneric listall names
Handlirschianus Vogt, 1909:49, examined
shaposhnikovi Skorikov, 1910a:329
3 names

TAXONOMIC STATUS: The white-banded taxon handlirschianus and the yellow-banded taxon shaposhnikovi differ principally in female colour pattern. Some males associated with the two taxa have appeared to differ in morphology (Skorikov, 1931; Williams, 1991 [pdf]) and consequently the taxa have been treated as separate species. More recently the distinctness of the males has been questioned and mixed colonies have been found (De Meulemeester et al., 2010). Furthermore, evidence from comparisons of DNA sequences from five genes is consistent with the two taxa being conspecific (Cameron et al., 2007 [pdf]).

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Palaearctic Region.

 

Bombus (Md.) mendax Gerstaeckersubgeneric listall names
mendax Gerstaecker, 1869:323, examined
latofasciatus Vogt, 1909:50, not of Vogt, 1909:42 (= B. lucorum (Linnaeus)) examined
pyrenes (Tkalcu, 1975:173 [Mendacibombus]) unnecessary replacement name for latofasciatus Vogt, 1909:50

14 names

MORPHOLOGY: photos of male genitalia.

DISTRIBUTION: Palaearctic Region.

 

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