The bumble bees (Hymenoptera: Apidae: &lt;i&gt;Bombus&lt;/i&gt;) of Arkansas, fifty years later

Tripodi, Amber D.; Szalanski, Allen L.

doi:10.17161/jom.v0i50.4834

Cited by 11 publications

(6 citation statements)

References 38 publications

(69 reference statements)

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“…In North America, regional declines have been reported from southern Ontario (Colla and Packer ), Illinois (Grixti et al. ), Arkansas (Tripodi and Szalanski ), Oklahoma (Figueroa and Bergey ), the northeastern United States (Bartomeus et al. , Jacobson et al.…”

Section: Introductionmentioning

confidence: 99%

“…In Europe, bumble bee species began to decline dramatically after the Second World War, particularly in more agriculturally intensified regions (Williams 1982, Kosior et al 2007, Casey et al 2015. In North America, regional declines have been reported from southern Ontario (Colla and Packer 2008), Illinois (Grixti et al 2009), Arkansas (Tripodi and Szalanski 2015), Oklahoma (Figueroa and Bergey 2015), the northeastern United States (Bartomeus et al 2013, Jacobson et al 2017, Richardson et al 2018, as well as from most of the continental USA (Cameron et al 2011). Compared to Europe, the temporal profile of these declines appears to be different.…”

Section: Introductionmentioning

confidence: 99%

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Narrow pollen diets are associated with declining Midwestern bumble bee species

Wood

Gibbs

Graham

et al. 2019

Ecology

110

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Many species of bumble bee (Bombus) have declined in range and abundance across Europe, the Americas, and Asia, whereas other species have persisted and remain common and widespread. One explanation as to why some species have declined, based primarily on studies of the European bumble bee fauna, is that declining species have relatively narrow pollen‐foraging niches and are less able to use alternative host plants in the absence of their preferred hosts. Though extensively explored in Europe, this hypothesis has not been investigated in North America, in part due to incomplete information on the foraging niche of many species. We selected 12 bumble bee species found in Michigan and quantified their pollen diets using museum specimens. We also extensively resurveyed the state to understand their contemporary status and distribution. Compared to a pre‐2000 baseline, six species remain relatively common and widespread, whereas six species show range contractions of over 50%. There was a significant relationship between dietary breadth and distributional range change, with declined or declining species collecting around one‐third fewer pollen types than stable species. Though there were significant compositional differences, we found no differences in the number of pollen types collected by species with differing tongue lengths. Overall, these results support the hypothesis that species with narrower dietary niches are at greater risk of decline. However, it is not clear if narrow dietary niches are a cause of declines, or if both are driven by an underlying factor such as proximity to the edge of climatic niches. Further research is needed to improve our understanding of dietary niche in bumble bees, and how it interacts with other factors to influence population trajectories of stable and at‐risk species.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Narrow pollen diets are associated with declining Midwestern bumble bee species

Wood

Gibbs

Graham

et al. 2019

Ecology

110

View full text Add to dashboard Cite

show abstract

“…Despite declines known on both regional and national levels, no unified monitoring protocol for bumble bee species abundance or distribution is currently in place in the United States. While a national approach was taken to survey bumble bees from 2007 to 2010 and developing a national native bee sampling protocol is recognized to be important (Lebuhn et al, 2012, but see Tepedino, Durham, Cameron, &Goodell, 2015 andLebuhn et al, 2015), most other recent efforts have either been regionally focused (Bushmann & Drummond, 2015;Colla & Packer, 2008;Figueroa & Bergey, 2015;Grixti, Wong, Cameron, & Favret, 2009;Jacobson, Tucker, Mathiasson, & Rehan, 2018;Koch et al, 2017;Tripodi & Szalanski, 2015) or do not include a systematic, contemporary survey component (Jacobson et al, 2018;Kerr et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Characterizing bumble bee (Bombus) communities in the United States and assessing a conservation monitoring method

Strange¹,

Tripodi²

2019

Ecology and Evolution

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1,229

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AimBumble bees (Hymenoptera: Apidae: Bombus) are economically and ecologically important pollinators in agroecosystems and wildland habitats. In the Nearctic region, there are approximately 41 species, of which the IUCN lists twelve species as vulnerable, endangered, or critically endangered. We conducted a standardized faunal survey to inform ongoing conservation efforts including petitions under review for the Endangered Species Act. Furthermore, we test the appropriateness of a methodology for accurately sampling bumble bee communities.LocationThe United States of America, including 31 sites in 15 states.MethodsWe surveyed 15 states in the summer of 2015 to assess community composition and relative species abundance at agricultural and seminatural sites throughout the United States. We collected approximately 100 bees, using aerial nets, from each of 31 sites and identified specimens to species, totaling 3,252 bees. We assessed our survey methodology to understand whether it accurately sampled the potential community of bumble bees at each site for utility in future monitoring efforts.ResultsAverage site species richness was 5.1 ± 2.05, and we detected 30 of the 41 species documented historically within the contiguous United States. Sampling a site beyond 100 bees rarely added additional species detections, whereas adding additional sampling sites within an ecoregion frequently increased the species richness for the ecoregion. Thirteen of the 30 species we detected each accounted for <1% of the total fauna, and two species accounted for 49.02% of all bees captured. Species richness and evenness increased with increasing latitude across communities.Main ConclusionsSpecies diversity and evenness in bumble bees increases in northern latitudes and increasing elevation in the United States; however, a few common species tend to dominate communities while many species occur only in low numbers. The results of this survey effort can inform current conservation evaluations and planning.

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“…There may be as many as 250 bumble bee species worldwide (Williams 1998, Michener 2007, and though bumble bees are relatively well-known, some regions have been better studied than others. In the United States, checklists, range maps, and population-monitoring studies have been published on the bumble bees of some states (e.g., Severin 1926, Thorp et al 1983, Colla et al 2011, Scott et al 2011, Warriner 2012, Figueroa and Bergey 2015, Tripodi and Szalanski 2015, whereas other states have few published records.…”

mentioning

confidence: 99%

Bumble Bees (Hymenoptera: Apidae) of Montana

Dolan

Delphia

O'neill

et al. 2017

Annals of the Entomological Society of America

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Montana supports a diverse assemblage of bumble bees (Bombus Latreille) due to its size, landscape diversity, and location at the junction of known geographic ranges of North American species. We compiled the first inventory of Bombus species in Montana, using records from 25 natural history collections and labs engaged in bee research, collected over the past 125 years, as well as specimens collected specifically for this project during the summer of 2015. Over 12,000 records are included, with 28 species of Bombus now confirmed in the state. Based on information from nearby regions, four additional species are predicted to occur in Montana. Of the 28 species, Bombus bimaculatus Cresson and Bombus borealis Kirby are new state records. The presence of B. borealis was previously predicted, but the presence of B. bimaculatus in Montana represents a substantial extension of its previously reported range. Four additional "eastern" bumble bee species are recorded from the state, and three species pairs thought to replace one another from the eastern to western United States are now known to be sympatric in Montana. Additionally, our data are consistent with reported declines in populations of Bombus occidentalis Greene and Bombus suckleyi Greene, highlighting a need for targeted surveys of these two species in Montana.

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The bumble bees (Hymenoptera: Apidae: <i>Bombus</i>) of Arkansas, fifty years later

Cited by 11 publications

References 38 publications

Narrow pollen diets are associated with declining Midwestern bumble bee species

Narrow pollen diets are associated with declining Midwestern bumble bee species

Characterizing bumble bee (Bombus) communities in the United States and assessing a conservation monitoring method

Bumble Bees (Hymenoptera: Apidae) of Montana

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