Spatial ecology of a range-expanding bumble bee pollinator

Ecology and Evolution
Liam P CrowtherAndrew F G Bourke

Abstract

Molecular methods have greatly increased our understanding of the previously cryptic spatial ecology of bumble bees (Bombus spp.), with knowledge of the spatial ecology of these bees being central to conserving their essential pollination services. Bombus hypnorum, the Tree Bumble Bee, is unusual in that it has recently rapidly expanded its range, having colonized much of the UK mainland since 2001. However, the spatial ecology of B. hypnorum has not previously been investigated. To address this issue, and to investigate whether specific features of the spatial ecology of B. hypnorum are associated with its rapid range expansion, we used 14 microsatellite markers to estimate worker foraging distance, nest density, between-year lineage survival rate and isolation by distance in a representative UK B. hypnorum population. After assigning workers to colonies based on full or half sibship, we estimated the mean colony-specific worker foraging distance as 103.6 m, considerably less than values reported from most other bumble bee populations. Estimated nest density was notably high (2.56 and 0.72 colonies ha-1 in 2014 and 2015, respectively), estimated between-year lineage survival rate was 0.07, and there was no evidence of fine-sca...Continue Reading

Associated Datasets

References

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Citations

Feb 11, 2021·Proceedings. Biological Sciences·Ryan E BrockAndrew F G Bourke
Feb 12, 2021·Plant Science : an International Journal of Experimental Plant Biology·Elena HamannJill T Anderson
Feb 22, 2021·Current Opinion in Insect Science·Thomas Hagan, Rosalyn Gloag
Jun 13, 2021·Global Change Biology·Kevin MaebeGuy Smagghe
Aug 28, 2021·Insects·Shaden A M KhalifaHesham R El-Seedi
Sep 25, 2021·The Journal of Heredity·Carl J DysonMichael A D Goodisman

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Methods Mentioned

BETA
dissection
dissections
genotyping
PCRs
PCR

Software Mentioned

R Development Core Team
R package “ vegan
COLONY
Cervus
GeneMapper
R package “ adegenet
R
R package “ pegas
Multiplex Manager
COANCESTRY

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