High arctic bumble bee images requested
We are missing images of the following high arctic Bombus species in subgenus Alpinobombus:
B. neoboreus (=strenuus Cresson)
These are found on the tundra in N Alaska, N Canada, and Greenland, so please post any bee images from there.
We are also missing images of two formerly common Psithyrus species, B. ashtoni and B. suckleyi.
Photos of reliably det. pinned specimens of any of these five species and of B. sandersoni would be useful to complete the Bombus guide pages.