Identité et variabilité des mâles de bourdons du genre Bombus Latreille sensu stricto en Europe occidentale et centrale (Hymenoptera, Apidae, Bombinae)

Rasmont, Pierre; Scholl, A.; Jonghe, Roland De; Obrecht, Elsa; Adamski, Alain

doi:10.5962/bhl.part.79505

Cited by 50 publications

(99 citation statements)

References 5 publications

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“…As a consequence, descriptions of the ecology and distribution of these three species, obtained prior to the utilisation of molecular methods for species identification, are likely to be problematic (see Rasmont, 1984;Rasmont et al, 1986 andPamilo et al, 1997 for European distributions). Therefore, the only reliable information available about the worldwide distributions of these species comes from a study by Williams et al (2012) of the subgenus Bombus s. str.…”

Section: Discussionmentioning

confidence: 99%

Revealing the hidden niches of cryptic bumblebees in Great Britain: Implications for conservation

Scriven

Woodall

Tinsley

et al. 2015

Biological Conservation

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a b s t r a c tBumblebees are ecologically and economically important, and some species have suffered dramatic population declines. The absence of morphological diagnostic characters for the identification of some species creates difficulties for basic ecological studies, and for conservation management. The widespread and commercially exploited bumblebee subgenus Bombus sensu stricto contains a cryptic species complex, known as the lucorum complex, which in Europe comprises B. lucorum, B. cryptarum and B. magnus. Little is known about these species and much of what has been reported is likely to have suffered from incorrect identification. Although the lucorum complex as a whole is common in Great Britain, we aimed to determine whether the populations of the individual species are vulnerable and require conservation action. Using genetic methods to distinguish them, we determined the geographic distribution and abundance of the lucorum complex species in Great Britain, and assessed the extent of niche differentiation between these species. We detected major differences in the geographic range, forage use and sensitivity to summer temperatures of the three species. Bombus lucorum was found to have the broadest distribution and diet, being present throughout mainland Great Britain, whereas B. cryptarum and B. magnus were absent from large areas of central and southern England. Bombus cryptarum and B. magnus were more likely to be found at sites with lower summer temperatures. Bombus magnus, the least abundant species, was found to exhibit an unusually tight biotope association with heathland habitat. This has conservation implications for B. magnus given the current threats to this habitat type.

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Section: Discussionmentioning

confidence: 99%

Revealing the hidden niches of cryptic bumblebees in Great Britain: Implications for conservation

Scriven

Woodall

Tinsley

et al. 2015

Biological Conservation

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show abstract

“…. Until recently, several confusions in species identification between these four species occurred (Rasmont, 1983;Rasmont et al, 1986;Bertsch, 1997;. This means that most of the historical data could be based on misidentifications: old observations of one of these species could include observations of other species.…”

Section: Bombus Cryptarum B Lucorum B Magnus and B Terrestrismentioning

confidence: 99%

Climatic Risk and Distribution Atlas of European Bumblebees

Rasmont¹,

Franzén²,

Lecocq³

et al. 2015

217

324

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“…It is less common in the southern parts of these countries. Information is still lacking, however, for many European countries (Bertsch et al, 2004;Rasmont et al, 1986;Rasmont, 1986Rasmont, , 2010.…”

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confidence: 99%

Notes on distribution of Bombus cryptarum (Hymenoptera, Apoidea) in Moravian territory (Czech Republic) and its laboratory rearing

Bučánková¹,

Komzáková²,

Cholastová³

et al. 2014

Acta Univ. Agric. Silvic. Mendelianae Brun.

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BUČÁNKOVÁ, A., KOMZÁKOVÁ, O., CHOLASTOVÁ, T., PTÁČEK, V.: Notes on distribution of Bombus cryptarum (Hymenoptera, Apoidea) in Moravian territory (Czech Republic) and its laboratory rearing. Acta univ. agric. et silvic. Mendel. Brun., 2011, LIX, No. 6, pp. 69-74 B. cryptarum and B. magnus are among the so-called cryptic species whose identifi cation is very diffi cult due to high interspecifi c variability of their morphological characteristics. This greatly limits possibilities for studying their biology, bionomics and ecology. The aim of this research was to contribute to knowledge about distribution of B. cryptarum in Moravia (Czech Republic) and to verify the possibility of its laboratory rearing. During 2006During -2009 collections were performed at Moravian localities. Of the 17 specimens that were assigned to B. cryptarum or B. aff . cryptarum based on morphology, the molecular analysis of mtDNA RFLP confi rmed the identifi cation of 10 speciemens. The molecular analysis even assigned to B. cryptarum one specimen determined morphologically as B. aff . magnus. Of four queens captured in spring, and while applying a laboratory method used for breeding of B. terrestris, two complete nests were successfully reared, including queens of the 2nd generation that then set up their own brood. Species identifi cation of these queens as B. cryptarum was confi rmed by both molecular analysis and analysis of the marking pheromones of males among their off spring. A single B. terrestris worker was able to raise young queens of B. cryptarum of the brood.

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Identité et variabilité des mâles de bourdons du genre Bombus Latreille sensu stricto en Europe occidentale et centrale (Hymenoptera, Apidae, Bombinae)

Abstract: Identité et variabilité des mâles de bourdons du genre Bombus Latreille sensu stricto en Europe occidentale et centrale (Hymenoptera, Apidae, Bombinae) par

Cited by 50 publications

References 5 publications

Revealing the hidden niches of cryptic bumblebees in Great Britain: Implications for conservation

Revealing the hidden niches of cryptic bumblebees in Great Britain: Implications for conservation

Climatic Risk and Distribution Atlas of European Bumblebees

Notes on distribution of Bombus cryptarum (Hymenoptera, Apoidea) in Moravian territory (Czech Republic) and its laboratory rearing

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