title: Parasites and genetic diversity in an invasive bumblebee.
abstract: Biological invasions are facilitated by the global transportation of species and climate change. Given that invasions may cause ecological and economic damage and pose a major threat to biodiversity, understanding the mechanisms behind invasion success is essential. Both the release of non-native populations from natural enemies, such as parasites, and the genetic diversity of these populations may play key roles in their invasion success. We investigated the roles of parasite communities, through enemy release and parasite acquisition, and genetic diversity in the invasion success of the non-native bumblebee, Bombus hypnorum, in the United Kingdom. The invasive B. hypnorum had higher parasite prevalence than most, or all native congeners for two high-impact parasites, probably due to higher susceptibility and parasite acquisition. Consequently parasites had a higher impact on B. hypnorum queens' survival and colony-founding success than on native species. Bombus hypnorum also had lower functional genetic diversity at the sex-determining locus than native species. Higher parasite prevalence and lower genetic diversity have not prevented the rapid invasion of the United Kingdom by B. hypnorum. These data may inform our understanding of similar invasions by commercial bumblebees around the world. This study suggests that concerns about parasite impacts on the small founding populations common to re-introduction and translocation programs may be less important than currently believed.
authors.affiliation: School of Biological Sciences, Royal Holloway, University of London, Egham, TW20 0EX, UK.
authors.forename: Catherine M
authors.initials: CM
authors.lastname: Jones
authors.affiliation: School of Biological Sciences, Royal Holloway, University of London, Egham, TW20 0EX, UK.
authors.forename: Mark J F
authors.initials: MJ
authors.lastname: Brown
mesh_terms: D000818:Animals; D001516:Bees / Q000235:genetics* / Q000469:parasitology*; D004739:England; D005243:Feces / Q000469:parasitology; D005260:Female; D056084:Genetic Fitness; D014644:Genetic Variation; D058865:Introduced Species; D008297:Male
keywords: Apicystis; Bombus hypnorum; Sphaerularia; biological invasion; enemy release; parasite acquisition
references.citation: Mol Ecol. 2010 Feb;19(4):819-31
references.pmid: 20089127
references.citation: Evolution. 2003 Mar;57(3):544-57
references.pmid: 12703944
references.citation: Parasitology. 2006 Dec;133(Pt 6):749-61
references.pmid: 16948877
references.citation: Conserv Biol. 2012 Aug;26(4):586-92
references.pmid: 22809350
references.citation: Annu Rev Entomol. 2008;53:191-208
references.pmid: 17803456
references.citation: Mol Ecol. 2003 Jun;12(6):1599-605
references.pmid: 12755887
references.citation: Mol Ecol. 1995 Feb;4(1):89-93
references.pmid: 7711957
references.citation: Adv Parasitol. 2009;68:161-84
references.pmid: 19289194
references.citation: Genetics. 1977 Jul;86(3):583-96
references.pmid: 892423
references.citation: J Anim Ecol. 2011 Sep;80(5):999-1011
references.pmid: 21644977
references.citation: Trends Ecol Evol. 2009 Sep;24(9):497-504
references.pmid: 19577817
references.citation: J Theor Biol. 1999 Sep 7;200(1):111-8
references.pmid: 10479543
references.citation: Proc Biol Sci. 2003 Jun 22;270(1521):1309-14
references.pmid: 12816645
references.citation: Nature. 2003 Feb 6;421(6923):628-30
references.pmid: 12571595
references.citation: Mol Ecol. 2005 May;14(6):1811-20
references.pmid: 15836652
references.citation: Mol Ecol. 2001 Oct;10(10):2489-98
references.pmid: 11742549
references.citation: J Evol Biol. 2011 Jun;24(6):1307-16
references.pmid: 21481055
references.citation: Parasitol Res. 2007 Nov;101(6):1647-55
references.pmid: 17712569
references.citation: Ecology. 2010 Mar;91(3):872-81
references.pmid: 20426344
references.citation: Proc Biol Sci. 2010 Dec 22;277(1701):3693-702
references.pmid: 20667874
references.citation: Int J Parasitol. 2008 Jun;38(7):799-808
references.pmid: 18164709
references.citation: Proc Biol Sci. 2011 Apr 22;278(1709):1195-202
references.pmid: 20926436
references.citation: Science. 2000 Jan 21;287(5452):443-9
references.pmid: 10642539
references.citation: Heredity (Edinb). 2007 Oct;99(4):414-22
references.pmid: 17551520
references.citation: Mol Ecol. 2008 Jan;17(1):431-49
references.pmid: 17908213
references.citation: Mol Ecol. 2011 Jul;20(14):2888-900
references.pmid: 21645159
references.citation: J Invertebr Pathol. 2007 Oct;96(2):118-24
references.pmid: 17482641
references.citation: J Invertebr Pathol. 2009 Nov;102(3):263-5
references.pmid: 19682459
references.citation: Ecology. 2009 Aug;90(8):2047-56
references.pmid: 19739367
references.citation: Proc Biol Sci. 2003 Nov 7;270 Suppl 2:S133-5
references.pmid: 14667361
references.citation: BMC Evol Biol. 2009 Jul 02;9:152
references.pmid: 19573223
references.citation: Proc Biol Sci. 2011 Nov 7;278(1722):3201-8
references.pmid: 21389035