Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨
Dad, Royal Saskatchewan Museum curator, #entomologist & #bee research scientist, with a love of #nature, #photography, and #art. Views my own. Bees of Canada: beesofcanada.com and Bee Higher Classification: anthophila.myspecies.info
- I have been interested in the faunistics of northern #Canada and #Alaska for some time. This lovely volume on the #arthropods of #Greenland is an excellent contribution; the three bee species are covered on three pages, though what was called #Bombus hyperboreus should now be Bombus natvigi.
- I drew this for my aunt when I was a teenager before I had any knowledge of archival acid-free paper. It was framed without glass, and received the full range of exposure of dust and smoke from the house it was in. #pencil #art #dogs #sketch
- 🧪 UAV-based remote sensing of bee nesting aggregations with computer vision for object detection besjournals.onlinelibrary.wiley.com/doi/10.1111/...
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨Come work with us! We are seeking a tenure-track botanist, preferably in the areas of non-vascular, systematics, physiology or cell. Happy to answer questions. unbc.njoyn.com/CL/xweb/xweb... 🧪🌱 #botany
- 🧪 Phylogenomics and biogeography of the cleptoparasitic bee genus Triepeolus Robertson (Hymenoptera: Apidae), with a revised subgeneric classification of Triepeolus and its sister genus, Epeolus Latreille resjournals.onlinelibrary.wiley.com/doi/10.1111/...
- Just got a pdf of this entire work on #chalcidoidea for a fraction of what I paid for the hard copy! Take a look: biologylibrary.online
- This new book on the #bees of #Australia just arrived and it is loaded with fabulous #macrophotos and great information. I can’t wait to go through it thoroughly!
- I must admit, I have not seen many specimens of #Bombus variabilis, this #cuckoo #bumblebee was collected in Florida in 1984. @paulwilliamsnhm.bsky.social
- 🧪 Inverted terra cotta plant pot bases for encouraging #Osmia bees that normally #nest under stones. Osmia inermis females were encouraged to nest in lowbush blueberry fields in Newfoundland (our study from 2015): resjournals.onlinelibrary.wiley.com/doi/abs/10.1...)
- 🧪 Illustrated key to the Central and Northwest European species of the bee genus Colletes LATREILLE, 1802 (Hymenoptera: Colletidae) www.wildbienenzentrum.de/anthophila/a... #bees
- Colour variation in the #Megachile subgenus #Megachiloides has likely had an impact on #conservation assessments for some of the #species. I will be talking about this later today at #Hymathon2025 #bees
- 🧪Arthropod species loss underpins biomass declines www.nature.com/articles/s41...
- 🧪 Structural and Functional Co-Adaptation of Plants of the Genus Lysimachia L. (Primulaceae) and Pollinating Insects of the Genus Macropis Panzer (Hymenoptera, Melittidae) onlinelibrary.wiley.com/doi/10.1002/...
- #Honeybee colonies swarm when the colony gets too large, with 1/2 the colony’s workers + the old queen leaving to find a suitable cavity; this is what I though was happening in the first photo. However, open-air colonies are rarely observed in regions with cold winters like SK. #saskatchewan
- 🧪 Keys to the genera and subgenera of the bee subfamily Euryglossinae (Hymenoptera: Colletidae) www.ingentaconnect.com/content/pemb...
- 🧪 Western Palaearctic Chelostoma bees of the subgenus Chelostoma (Megachilidae, Osmiini): biology, taxonomy and key to species www.mapress.com/zt/article/v...
- The beautiful nighttime sky of Saskatchewan tonight #northernlights
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨🚀 Big news from BHL! 🌱 We’ve launched our Transition Fundraising Campaign to help BHL navigate the move to independence and secure a sustainable, global future for open biodiversity knowledge. #BHLTransition #ILoveBHL #OpenAccess 🔗 Read more and donate: blog.biodiversitylibrary.org/2025/10/dona...
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨The Royal Ontario Museum (ROM) in Toronto is looking for a Curator of Plants and Sustainability #academicjobs #iamabotanist royalontariomuseum.applytojob.com/apply/Sf2iAO...
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨[Not loaded yet]
- Our new paper “On the nomenclature of Bombus flavifrons Smith, 1866 (Hymenoptera, Apidae, Bombini)” @paulwilliamsnhm.bsky.social jhr.pensoft.net/article/1632...
- It’s great to be in Calgary, Alberta for the Entomological Society of Canada’s Annual Meeting. I will be talking about my research on one of my favourite groups of #bees @canentomologist.bsky.social
- 🧪 This is pretty amazing!
- 🧪 Looking forward to going through this beautiful #book on #insect #architecture @princetonupress.bsky.social
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨Join us! The Division of Invertebrate Zoology at the American Museum of Natural History is hiring a curatorial associate! For more information : careers.amnh.org/postings/4529
- 🧪 Revealing hidden figures within natural history collections by empowering students with data sleuthing skills
- So very pleased and proud to announce that our paper "Revealing hidden figures within natural history collections by empowering students with data sleuthing skills" has been published! #Wikidata #Bionomia #HiddenFigures acsess.onlinelibrary.wiley.com/doi/10.1002/...
- This cool new #graphicnovel is a great introduction to the importance of #insects. I am about 1/2 way through and am enjoying the #artwork, and the to the point way it is communicating important information about my favourite group of animals! #entomology #books #sciArt
- The abundance of male Bombus bimaculatus is providing a lot of opportunities for crab spiders in our garden. It is only in the last decade we have found this #bumblebee species in SK and it is spreading quickly, now as far north as Nipawin, and now maybe our most common in the south. #beesofcanada
- 🧪 This is Stenotritus taylor Houston, 2025, only the 12th species in the genus, and one of only 22 species in the bee family Stenotritidae. No new species of Stenotritus has been described since 1935! This photo by Gary Taylor, from Terry Houston’s recent paper: search.informit.org/doi/10.3316/...
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨[Not loaded yet]
- Animals as beautiful as these greenbottle flies (Lucilia sp.) are likely in your back yard at this moment! #diptera #insects #macrophotography #backyardbugs
- What a beautiful bee the female of Megachile pugnata Say is. #bees #leafcutterbees #Hymenoptera #beesofcanada
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨The Centre for Biodiversity Genomics (CBG) is seeking ten taxonomic specialists in Collembola or any of the following insect orders - Blattodea, Ephemeroptera, Hemiptera, Hymenoptera, Lepidoptera, Orthoptera, Trichoptera! graduatestudies.uoguelph.ca/postdoctoral...
- This male Megachile inermis Provancher is staying put for the night, so it allowed me to get a few more photos #beesofcanada #bees #leafcutterbee #macrophotography
- This male Megachile inermis Provancher has been busy patrolling our raspberry flowers, and knocking other bees out of the way. #beesofcanada #leafcutterbee #macrophotograpy
- This beautiful chalcid wasp belongs to the genus Conura. The genus contains about 300 species, and are parasitoids/hyperparasitoids of a number of arthropod groups. This beautiful specimen was collected on gumweed flowers in Eastend, Saskatchewan. #wasps #hymenoptera #parasitoid #macrophotography
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨A rare job opportunity for Invertebrate Zoology: fieldmuseum.hrmdirect.com/employment/j...
- Today while it was raining, I was sitting in our screen room and was looking at the #biodiversity on the underside of the leaves of Virginia Creeper, and noticed the #larva of a green lacewing, and lucky for you, I took photos of these formidable little predators! Enjoy! #macrophotography #insects
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨🧬 Shift between specialized & generalized diets in #bees is associated with evolutionary changes in their sensory genes. Generalists lose odorant receptors (ORs) and gain gustatory receptors (GRs), while specialists diversify existing genes 🌸🐝 #genomics #pollinators academic.oup.com/g3journal/ad...
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨Our big review paper on strepsipteran systematics for Insect Systematics and Diversity is out! Hoping it's a helpful resource for anyone who needs it.
- Assistant Curator (Entomology) position at National Museums Scotland #jobs #entomology careers.nms.ac.uk/job/727783?f...
- 🧪 How many bee species are there? A quantitative global estimate www.researchsquare.com/article/rs-6...
- The Hylaeus are flying in Saskatchewan, and Hylaeus annulatus (Linnaeus) are all over (and inside of) our raspberry flowers. #beesofcanada #maskedbees #rubus #raspberry #macrophotography
- Our resin bees continue to emerge from nesting tubes; this beauty is a female Heriades carinata #beesofcanada #resinbees #macrophotography
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨A monumental taxonomy unification effort has just been published - thanks to all those who've collaborated for years to make this happen! birdsoftheworld.org/bow/news/avi...
- In the Great Sandhills of SK we observed many cool bees, including Lasioglossum pictum, on wild rose. The type series was also caught from rose, though it visits other plants. This colourful little bee also tends to nest in sandy areas. #beesofcanada #sweatbees #macrophotography #sanddunes
- We were very excited to find Dielis plumipes in the Great Sand Hills and Saskatchewan Landing Provincial Park. There are no published accounts of this species in Canada west of southern Ontario, though I subsequently discovered a few records from Saskatchewan on iNaturalist. #coolwasps #wasps
- Look at the ocelli on this female Andrena ceanothi Viereck - the anterior ocellus and one of the laterals have fused into one large, irregular lens. There are three females in this series, though only one has this condition, and it is also the only one that is stylopized. #beesofcanada #mutant #bees
- This colourful bee is Andrena erythrogaster, a rather common spring species in Canada. It is a common visitor of willows (Salix), but also uses pollen from cherry (Prunus), Saskatoons (Amelanchier), and hawthorn (Crataegus). #beesofcanada #bees #macrophotography
- Look closely at the oil-glands at the base of this Lysimachia flower. The oil is used for larval food by Macropis nuda, and helps line and water-proof the natal cells in the soil. The female bee has specialized hairs on the hind legs for carrying the oil to the nest. #oilbee #beesofcanada #bees
- The female of Nomada depressa is a I have been watching and photographing for a number of years in my flower garden, and have watched it go in and out of nests of Andrena milwaukeensis in the same garden #cuckoobees #Nomada #hosts #beesofcanada #macrophotography
- Reposted by Cory S. Sheffield 🇨🇦🐝🌺📸🎸🎨[Not loaded yet]
- Megachile discorhina Cockerell, 1924 is a beautiful #resinbee of the southwestern USA and Mexico. This single specimen is from #Alberta, Canada. Mislabelled? An introduction that did not establish? Will look into it more. It is a cool bee! #beesofcanada
- Looks like another #bumblebee species can be added to the list of species occurring in the #NorthwestTerritories #beesOfCanada #bees
