Addition to the checklist of IUCN European wild bees (Hymenoptera: Apoidea)

Rasmont, Pierre; Devalez, Jelle; Pauly, Alain; Michez, Denis; Radchenko, Vladimir G.

doi:10.1080/00379271.2017.1307696

Cited by 43 publications

(40 citation statements)

References 43 publications

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“…species for which we had available distributional and ITD data) recorded in the West Palearctic region (i.e. nearly 20% of the wild bee species pool of the area and 26% of the European wild bee species; Rasmont et al 2017) (Supplementary material Appendix 1). Unfortunately, phylogenetic distances among bee species could not be included in our analysis as they are largely unknown.…”

Section: Methodsmentioning

confidence: 99%

“…Bees are a highly diverse pollinator group (Michener 2007) of more than 20 000 species worldwide (Ascher and Pickering 2016) and ~2000 species in Europe (Rasmont et al 2017). Three previous studies of bees have found contrasting responses, with a Bergmann's cline in American Andrenidae (Hawkins 1995) but a converse Bergmann's cline in few European bumblebees and American Melittidae (Hawkins 1995, Peat et al 2005, Ramírez-Delgado et al 2016.…”

Section: Introductionmentioning

confidence: 99%

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Patterns of size variation in bees at a continental scale: does Bergmann's rule apply?

Gérard

Vanderplanck

Franzén

et al. 2018

Oikos

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Body size latitudinal clines have been widley explained by the Bergmann's rule in homeothermic vertebrates. However, there is no general consensus in poikilotherms organisms in particular in insects that represent the large majority of wildlife. Among them, bees are a highly diverse pollinators group with high economic and ecological value. Nevertheless, no comprehensive studies of species assemblages at a phylogenetically larger scale have been carried out even if they could identify the traits and the ecological conditions that generate different patterns of latitudinal size variation. We aimed to test Bergmann's rule for wild bees by assessing relationships between body size and latitude at continental and community levels. We tested our hypotheses for bees showing different life history traits (i.e. sociality and nesting behaviour). We used 142 008 distribution records of 615 bee species at 50 × 50 km (CGRS) grids across the West Palearctic. We then applied generalized least squares fitted linear model (GLS) to assess the relationship between latitude and mean body size of bees, taking into account spatial autocorrelation. For all bee species grouped, mean body size increased with higher latitudes, and so followed Bergmann's rule. However, considering bee genera separately, four genera were consistent with Bergmann's rule, while three showed a converse trend, and three showed no significant cline. All life history traits used here (i.e. solitary, social and parasitic behaviour; ground and stem nesting behaviour) displayed a Bergmann's cline. In general there is a main trend for larger bees in colder habitats, which is likely to be related to their thermoregulatory abilities and partial endothermy, even if a ‘season length effect’ (i.e. shorter foraging season) is a potential driver of the converse Bergmann's cline particularly in bumblebees.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Patterns of size variation in bees at a continental scale: does Bergmann's rule apply?

Gérard

Vanderplanck

Franzén

et al. 2018

Oikos

Self Cite

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“…With approximately 20,000 species worldwide and more than 2000 species in Europe, bees (Hymenoptera: Anthophila) are among the most speciose pollinator groups in temperate agriculture landscapes [ 1 ]. Their long-time coevolution with flowering plants has provided them with both morphological (e.g., scopa, pollen baskets) and behavioural (e.g., lectism, sociality) traits, suitable for plant pollination [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

Flower Strips in Wheat Intercropping System: Effect on Pollinator Abundance and Diversity in Belgium

Amy

Noël

Hatt

et al. 2018

Insects

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The decline of pollinators in agricultural areas has been observed for some decades, this being partly due to landscape simplification in intensive agrosystems. Diversifying agricultural landscapes by sowing flower strips within fields could reduce these adverse effects on biodiversity. In this context, the study presented here aimed at assessing and comparing the abundance and diversity of bees (Hymenoptera: Anthophila) and hoverflies (Diptera: Syrphidae) found and visiting flowers in three types of flower strips in Belgium: (i) a mixture of 11 wild flowers, (ii) a monofloral strip of Dimorphoteca pluvialis (Asteraceae) and (iii) a monofloral strip of Camelina sativa (Brassicaceae), where the last two are considered to be intercrops since they are valuable on the market, all sown within a field of winter wheat (Triticum aestivum L.). Pollinators were captured with pan traps and by netting in standardised transects from May to July 2017. One-thousand one-hundred and eighty-four individuals belonging to 43 bee species and 18 hoverfly species were collected. Significant differences in hoverfly diversity were found between the different flower strips. The multifloral treatment supported a greater diversity of syrphid species. Various pollinator species visited the different flowers composing the mixture and also D. pluvialis. The pollinator community proved to be predominantly generalist, with the exception of an oligolectic species in Belgium, Andrena nitidiuscula. Moreover, the three tested flower strips were effective in attracting hoverflies, among them natural enemies of insect pests. This study opens new perspectives in the design of intercropping systems with flower strips towards the design of sustainable agro-ecosystems. Improving economic profitability of sowing flower strips could encourage farmers to diversify their agricultural systems and foster conservation biology strategies.

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“…After excluding duplicate records, we retained a total of 125,558 unique observation points for 68 species (Table ; see also Figures S1–S2 for the maps of all selected occurrence data per species). We followed the checklists including the most up‐to‐date taxonomic revisions on bumblebees at the species and subgeneric levels (Rasmont, Devalez, Pauly, Michez, & Radchenko, 2017; Rasmont et al., 2015).…”

Section: Methodsmentioning

confidence: 99%

Wildlife conservation strategies should incorporate both taxon identity and geographical context ‐ further evidence with bumblebees

Ghisbain

Michez

Marshall

et al. 2020

Diversity and Distributions

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Aim Among the numerous anthropogenic pressures threatening biodiversity, habitat destruction and climate change are pointed to as dominant. In response, a number of mitigation strategies are elaborated to save endangered living organisms. However, the taxonomic level and geographical extent at which conservation strategies should be designed and implemented remain generally unclear. Here, we aim to assess and discuss the importance to apply conservation strategies at an appropriate taxonomic scale. For this purpose, we focus our analyses on bumblebees (genus Bombus), a group of critically important and endangered pollinators. Location West‐Palaearctic. Methods We use a species distribution modelling approach to investigate and compare climatic and habitat‐related variables associated with the distribution of West‐Palaearctic bumblebees. Our analyses are based on a data set gathering more than 125,000 unique observation points for 68 species. Results We highlight species‐specific associations with climatic and land cover variables, depicting the strong relevance of taxon‐specific mitigation strategies for the conservation of those key pollinators. We also identify that the occurrence probability of localized and widespread species is mostly predicted by specific land cover characteristics and climatic conditions, respectively. Finally, we report the general absence of phylogenetic signal associated with the relative importance of each environmental variable in species distribution models, underlining the difficulty to predict species‐specific environmental requirements based on evolutionary relationships. Main conclusions In the light of these results, we conclude that climate change and landscape destruction are not expected to drive the fate of all bumblebee species in a same direction, even for phylogenetically close lineages. We argue in favour of geographically and taxonomically adapted conservation strategies and discuss the limitations of untargeted action plans for species with different climatic/habitat requirements.

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Addition to the checklist of IUCN European wild bees (Hymenoptera: Apoidea)

Cited by 43 publications

References 43 publications

Patterns of size variation in bees at a continental scale: does Bergmann's rule apply?

Patterns of size variation in bees at a continental scale: does Bergmann's rule apply?

Flower Strips in Wheat Intercropping System: Effect on Pollinator Abundance and Diversity in Belgium

Wildlife conservation strategies should incorporate both taxon identity and geographical context ‐ further evidence with bumblebees

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