Kin recognition and inbreeding reluctance in bumblebees

Whitehorn, Penelope R.; Tinsley, Matthew C.; Goulson, Dave

doi:10.1051/apido/2009050

Cited by 35 publications

(35 citation statements)

References 39 publications

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“…Despite their importance to both natural and agricultural systems, populations of wild pollinators are in widespread decline, with anthropogenic impacts being implicated as the primary driving force (Whitehorn et al . ; Davis et al . ; Kennedy et al .…”

Section: Introductionmentioning

confidence: 99%

Nesting habits influence population genetic structure of a bee living in anthropogenic disturbance

Vickruck

Richards

2017

Molecular Ecology

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While most organisms are negatively affected by anthropogenic disturbance, a few species thrive in landscapes altered by humans. Typically, native bees are negatively impacted by anthropogenic environmental change, including habitat alteration and climate change. Here, we investigate the population structure of the eastern carpenter bee Xylocopa virginica, a generalist pollinator with a broad geographic range spanning eastern North America. Eastern carpenter bees now nest almost exclusively in artificial wooden structures, linking their geographic distribution and population structure to human activities and disturbance. To investigate the population structure of these bees, we sampled females from 16 different populations from across their range. Nine species-specific microsatellite loci showed that almost all populations are genetically distinct, but with high levels of genetic diversity and low levels of inbreeding overall. Broadly speaking, populations clustered into three distinct genetic groups: a northern group, a western group and a core group. The northern group had low effective population sizes, decreased genetic variability and the highest levels of inbreeding in the data set, suggesting that carpenter bees may be expanding their range northward. The western group was genetically distinct, but lacked signals of a recent range expansion. Climatic data showed that summer and winter temperatures explained a significant amount of the genetic differentiation seen among populations, while precipitation did not. Our results indicate that X. virginica may be one of the rare 'anthrophilic' species that thrive in the face of anthropogenic disturbance.

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Section: Introductionmentioning

confidence: 99%

Nesting habits influence population genetic structure of a bee living in anthropogenic disturbance

Vickruck

Richards

2017

Molecular Ecology

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“…Fertilized eggs laid by mated queens develop into diploid females (workers or young queens) if they are heterozygous at a single sex locus or diploid males if they are homozygous at this sex locus (sl-CSD) (Heimpel and de Boer 2008;Whitehorn et al 2009a). The production of diploid males increases dramatically with inbreeding.…”

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confidence: 99%

Adverse effects of inbreeding on colony foundation success in bumblebees, Bombus terrestris (Hymenoptera: Apidae)

Gösterit

2016

Appl Entomol Zool

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“…Haplodiploid insects have been proposed to suffer less from inbreeding than diploid insects, because of purging of deleterious recessive alleles in haploid males (Borgia, 1980). Females in some other hymeopteran species, such as Bracon hebetor Say (Ode et al, 1995), Venturia canescens Gravenhorst (Metzger et al, 2010), and the bumblebee Bombus terrestris L. (Whitehorn et al, 2009), are able to recognize their relatives and avoid mating or show reluctance to mate with them. Hence, these insects often exploit other reproductive strategies to reduce the likelihood of sib mating.…”

Section: Discussionmentioning

confidence: 99%

Monogeny, a neglected mechanism of inbreeding avoidance in small populations of gall midges

Tabadkani

Khansefid

Ashouri

2011

Entomologia Experimentalis Et Applicata

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Several species in the family Cecidomyiidae (Diptera) are known by a particular reproduction mechanism called monogeny, in which all offspring of each individual female are either exclusively male or exclusively female. As a consequence, no full-sib mating occurs in monogenous populations. So offspring of each female must inevitably mate with those of other females, and in the worst condition, mating may occur between individuals with a common sire but different mothers, where they are only half siblings. Simulation of monogenous gall midge pedigrees, calculation of inbreeding coefficients of individuals for 20 generations, and comparing the results with those of a non-monogenous species revealed that the total average inbreeding coefficients of individuals were not dramatically different between these two populations. However, the maximum inbreeding coefficient of individuals per generation in non-monogenous populations was significantly higher than in monogenous populations. Despite the effect of monogeny on inbreeding, it is doubted whether inbreeding avoidance is the only force that drives the evolution of monogeny in gall midges.

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Kin recognition and inbreeding reluctance in bumblebees

Cited by 35 publications

References 39 publications

Nesting habits influence population genetic structure of a bee living in anthropogenic disturbance

Nesting habits influence population genetic structure of a bee living in anthropogenic disturbance

Adverse effects of inbreeding on colony foundation success in bumblebees, Bombus terrestris (Hymenoptera: Apidae)

Monogeny, a neglected mechanism of inbreeding avoidance in small populations of gall midges

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