M. A. Aizen, C. L. Morales, D. P. Vázquez, L. A. Garibaldi, A. Sáez et al., When mutualism goes bad: Density-dependent impacts of introduced bees on plant reproduction, New Phytologist, vol.204, pp.322-328, 2014.

F. Amiet, Die Blattschneiderbiene Megachile sculpturalis Smith, 1853 (Hymenoptera, Apidae) nun auch in der Schweiz, Entomo Helvetica, vol.1853, pp.157-159, 2012.

V. Andrieu-ponel, D. Belkacem, and G. Duvallet, Le contenu pollinique de deux échantillons de pollens transportés par Megachile sculpturalis en France méditerranéenne (Nîmes et Montpellier), 2016.

M. B. Ashcroft, J. R. Gollan, and M. Batley, Combining citizen science, bioclimatic envelope models and observed habitat preferences to determine the distribution of an inconspicuous, recently detected introduced bee (Halictus smaragdulus Vachal Hymenoptera: Halictidae) in Australia, Biological Invasions, vol.14, pp.515-527, 2012.

I. Bartomeus, J. S. Ascher, J. Gibbs, B. N. Danforth, D. L. Wagner et al., Historical changes in northeastern US bee pollinators related to shared ecological traits, Proceedings of the National Academy of Sciences of the United States of America, vol.110, pp.4656-4660, 2013.
DOI : 10.1073/pnas.1218503110
URL : http://www.pnas.org/content/110/12/4656.full.pdf

J. H. Cane and V. J. Tepedino, Gauging the effect of honey bee pollen collection on native bee communities, Conservation Letters, vol.10, issue.2, pp.205-210, 2017.
DOI : 10.1111/conl.12263
URL : http://onlinelibrary.wiley.com/doi/10.1111/conl.12263/pdf

N. Deguines, R. Julliard, M. De-flores, and C. Fontaine, The whereabouts of flower visitors: Contrasting land-use preferences revealed by a country-wide survey based on citizen science, PLoS One, vol.7, issue.9, 2012.
URL : https://hal.archives-ouvertes.fr/hal-01710333

N. Deguines, R. Julliard, M. De-flores, and C. Fontaine, Functional homogenization of flower visitor communities with urbanization, Ecology and Evolution, vol.6, pp.1967-1976, 2016.
DOI : 10.1002/ece3.2009
URL : https://hal.archives-ouvertes.fr/hal-01312784

J. L. Dickinson, B. Zuckerberg, and D. N. Bonter, Citizen science as an ecological research tool: Challenges and benefits, Annual Review of Ecology Evolution and Systematics, vol.41, pp.149-172, 2010.
DOI : 10.1146/annurev-ecolsys-102209-144636

L. Fortel, M. Henry, L. Guilbaud, H. Mouret, and B. E. Vaissière, Use of human-made nesting structures by wild bees in an urban environment, Journal of Insect Conservation, vol.20, pp.239-253, 2016.
DOI : 10.1007/s10841-016-9857-y
URL : http://doi.org/10.1007/s10841-016-9857-y

B. Geslin, B. Gauzens, M. Baude, I. Dajoz, C. Fontaine et al., Massively introduced managed species and their consequences for plant-pollinator interactions, Advances in Ecological Research, vol.57, pp.147-199, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01497637

B. Geslin and C. L. Morales, New records reveal rapid geographic expansion of Bombus terrestris Linnaeus, 1758 (Hymenoptera: Apidae), an invasive species in Argentina, Checklist, vol.11, pp.3-5, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01704177

C. Gihr and P. Westrich, Breeding record of Megachile sculpturalis (giant resin bee) in Southern France (Hymenoptera, Apidae), Eucera, vol.7, pp.1-9, 2013.

D. Goulson, Effects of introduced bees on native ecosystems, Annual Review of Ecology Evolution and Systematics, vol.34, pp.1-26, 2003.

P. Graystock, E. J. Blane, Q. S. Mcfrederick, D. Goulson, and W. O. Hughes, Do managed bees drive parasite spread and emergence in wild bees?, International Journal for Parasitology: Parasites and Wildlife, vol.5, pp.64-75, 2015.

I. Hinojosa-díaz, The giant resin bee making its way west: First record in Kansas (Hymenoptera: Megachilidae), ZooKeys, vol.1, pp.67-71, 2008.

S. Kamenova, T. J. Bartley, D. A. Bohan, J. R. Boutain, R. I. Colautti et al., Invasions toolkit: Current methods for tracking the spread and impact of invasive species, Advances in Ecological Research, vol.56, pp.85-182, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01453454

R. G. Laport and R. L. Minckley, Occupation of active Xylocopa virginica nests by the recently invasive Megachile sculpturalis in upstate New York, Journal of the Kansas Entomological Society, vol.85, pp.384-386, 2012.

V. Le-féon, M. Henry, L. Guilbaud, C. Coiffait-gombault, E. Dufrêne et al., An expert-assisted citizen science program involving agricultural high schools provides general patterns on bee assemblages, Journal of Insect Conservation, vol.20, pp.905-918, 2016.

J. S. Macivor and L. Packer, Bee hotels' as tools in native pollinator conservation: A premature verdict?, PLoS One, vol.10, 2015.

W. A. Mangum and R. W. Brooks, First records of Megachile (Callomegachile) sculpturalis Smith (Hymenoptera: Megachilidae) in the continental United States, Journal of the Kansas Entomological Society, vol.70, pp.140-142, 1997.

W. A. Mangum and S. Sumner, A survey of the North American range of Megachile (Callomegachile) sculpturalis, an adventive species in North America, Journal of the Kansas Entomological Society, vol.76, pp.658-662, 2003.

C. Orwa, A. Mutua, R. Kindt, R. Jamnadass, and A. Simons, Agroforestree database: A tree reference and selection guide version 4.0, 2009.

S. M. Paiero and M. Buck, The giant resin bee, Megachile sculpturalis Smith, and other newly introduced and newly recorded native Megachilidae and Andrenidae (Apoidea) from Ontario, Journal of the Entomological Society of Ontario, vol.134, pp.141-143, 2003.

K. Parys, A. Tripodi, and B. Sampson, Megachile sculpturalis Smith: New distributional records for the Mid-and Gulfsouth USA, Biodiversity Data Journal, vol.3, 2015.

M. Quaranta, A. Sommaruga, P. Balzarini, and A. Felicioli, A new species for the bee fauna of Italy: Megachile sculpturalis continues its colonization of Europe, Bulletin of Insectology, vol.67, pp.287-293, 2014.

T. Roulston and R. Malfi, Aggressive eviction of the Eastern Carpenter Bee (Xylocopa virginica (Linnaeus)) from its nest by the Giant Resin Bee (Megachile sculpturalis Smith), Journal of the Kansas Entomological Society, vol.85, pp.387-388, 2012.

H. E. Roy, S. L. Rorke, B. Beckmann, O. Booy, M. S. Botham et al., The contribution of volunteer recorders to our understanding of biological invasions, Biological Journal of the Linnean Society, vol.115, pp.678-689, 2015.

L. Russo, Positive and negative impacts of non-native bee species around the world, Insects, vol.7, 2016.

A. M. Sequeira, P. E. Roetman, C. B. Daniels, A. K. Baker, and C. J. Bradshaw, Distribution models for koalas in South Australia using citizen science-collected data, Ecology and Evolution, vol.4, pp.2103-2114, 2014.

R. Singh, A. L. Levitt, E. G. Rajotte, E. C. Holmes, N. Ostiguy et al., RNA viruses in hymenopteran pollinators: Evidence of inter-taxa virus transmission via pollen and potential impact on non-Apis hymenopteran species, PLoS One, vol.5, issue.12, 2010.

J. C. Stout, A. R. Kells, and D. Goulson, Pollination of the invasive exotic shrub Lupinus arboreus (Fabaceae) by introduced bees in Tasmania, Biological Conservation, vol.106, issue.02, pp.46-46, 2002.

A. Traveset and D. M. Richardson, Mutualistic interactions and biological invasions, Annual Review of Ecology Evolution and Systematics, vol.45, pp.89-113, 2014.

N. J. Vereecken and E. Barbier, Premières données sur la présence de l'abeille asiatique Megachile (Callomegachile) sculpturalis Smith (Hymenoptera, Megachilidae) en, Europe. Osmia, vol.3, pp.4-6, 2009.

P. Westrich, A. Knapp, and I. Berney, Megachile sculpturalis Smith 1853 (Hymenoptera, Apidae), a new species for the bee fauna of Germany, now north of the Alps, Eucera, vol.9, pp.3-10, 2015.

Y. Wu, Fauna sinica: Insecta, vol.44, 2005.