Assistant Curator of Invertebrate Zoology at the Royal Alberta Museum in Edmonton, Alberta
1999-2008 Curator of the Insect Collection at the University of Guelph, Ontario

My years on iNaturalist:
2025: https://www.inaturalist.org/stats/2025/matthias22
2024: https://www.inaturalist.org/stats/2024/matthias22
2023: https://www.inaturalist.org/stats/2023/matthias22
2022: https://www.inaturalist.org/stats/2022/matthias22
2021: https://www.inaturalist.org/stats/2021/matthias22

Groups of expertise: aculeate wasps (Vespoidea, apoid wasps, Chrysididae), Diptera (especially Acalyptratae)

Selected publications:

Buck M & Bennett AMR (2025) Checklist of the apoid wasps (Hymenoptera, Apoidea excluding Anthophila) of
Canada, Alaska and Greenland. Journal of Hymenoptera Research 98: 195–291. https://doi.org/10.3897/jhr.98.143759
Identification atlas of the Vespidae (Hymenoptera, Aculeata) of the northeastern Nearctic region
Canadian Journal of Arthropod Identification 5 (February 19, 2008). https://cjai.biologicalsurvey.ca/bmc_05/bmc_05.html

An annotated checklist of the Spheciform wasps of Ontario (Hymenoptera: Ampulicidae, Sphecidae and Crabronidae). Journal of the Entomological Society of Ontario 134 [2003, published 2004]: 19-84. https://www.entsocont.ca/uploads/3/0/2/6/30266933/134_19_84.pdf

Manual of Central American Diptera, Vol. 1 (2009): Buck, M.; Woodley, N.E.; Borkent, A.; Wood, D.M.; Pape, T.; Vockeroth, J.R.; Michelsen, V. & Marshall, S.A. : Chapter 6. Key to Diptera families – adults. https://www.nrcresearchpress.com/doi/abs/10.1139/9780660198330