On what I’m pretty sure was black cottonwood. @earley_bird you recognize this?
On a currently unidentified species of oak (not Q. garryana... probably.)
An odd oak. I'm unsure if this is just a mutation on a garry oak, or if this is something else entirely. Found in the Summit Park garry oak meadow.
Many individuals ovipositing on Quercus garryana buds.
Collected and in RBCM collection
Tentative, best fit I could find.
https://gallformers.org/gall/2141
On Quercus garryana.
https://gallformers.org/gall/3497
On Quercus garryana.
on Quercus garryana
Possibly columbiensis?
https://gallformers.org/gall/3492
Thalassiosira nordenskioeldii Cleve 1873
SEM images of the marine diatom Thalassiosira nordenskioeldii (Castracane) Hasle 1983.
Phylum: Bacillariophycophyta, Subphylum: Bacillariophytina,
Class: Mediophyceae,
Order: Thalassiosirales,
Family: Thalassiosiraceae,
Genus: Thalassiosira.
Girdle view. Thalassiosira nordenskioeldii cells are cylindrical to discoid and usually joined together in long chains. Cell diameter is recorded between 8.6-50 µm in diameter. In girdle view T. nordenskioeldii cells appear as octagonal discs. They have a pronounced concavity at the valve center from which a thick mucilage tube connects to the centre of a neighbouring cell. Areolation delicate, hexagonal areolae in sectors; 14 to 18 areolae in 10 µm. Central strutted process close to central areola (annulus). Marginal processes prominent with long external tubes, with a collar at the end;
three processes in 10 µm. Location of labiate process variable within the ring of strutted processes. Mantle edges are beveled. Long radiating mucilage threads exit from the prominent marginal strutted processes at the bend between the valve face and the mantle.
Methods:
Abundant, especially during the spring bloom in the Trincomali Channel. Collected by a 60 µm plankton net April 25, 2022 from Porlier Pass, Trincomali Channel, Galiano Island, Southern Gulf Islands, British Columbia, Canada. Thanks to Andrew Simon for collecting the sample.
Cleaning by nitric acid on a coverslip and rinses in lab grade water. Cover slip mounted on to SEM stubs. Imaging with a Hitachi TM4000 Plus SEM at the AMF at UVIC. Thank you Elaine Humphrey for SEM support. Adjusted in PhotoShop. Preparation, imaging and taxonomy by Mark Webber.
References:
Cupp, E. E. 1943. Marine Plankton Diatoms of the West Coast of North America. University of California Press. Berkeley, California.
Hoppenrath, M., Elbrachter, M., Drebes, G. (2009) Marine Phytoplankton, Selected microphytoplankton species from the North Sea around Helgoland and Sylt. pp. 59, figure 5. Plate 24, page 58:fig. f-k. E. Schweizerbart’sche Verlagsbunchhandlung, Stuttgart, Germany.
Horner, R. A. (2002), A Taxonomic Guide to Some Common Marine Phytoplankton. p. 31. Biopress Ltd., Bristol.
Hasle, G.R. & Syvertsen, E.E. (1996). Marine Diatoms. In: Identifying Marine Phytoplankton. (Tomas, C.R. Eds). San Diego: Academic Press.
Guiry, M.D. & Guiry, G.M. 2007, AlgaeBase version 4.2. World-wide electronic publication, National University of Ireland, http://algaebase.org, searched April 10, 2022.
Round, F.E., Crawford, R.M. and Mann, D.G. (1990). The Diatoms, Biology & Morphology of the Genera. Cambridge University Press, Cambridge, UK. pp. 132-133.
Fryxell, G.A. and Hasle, G.R. (1979). The genus Thalassiosira: species with internal extensions of the strutted processes. Phycologia. vol. 18 (4), 378-393.
Pienitz, R., Fedje, D. and Poulin, M. (2003) Marine and Non-Marine Diatoms from the Haida Gwaii Archipelago and Surrounding Coasts, Northeastern Pacific, Canada In Bibliotheca Diatomologica (H. Lange-Bertalot and P. Kociolek, eds.), Band 48, J. Cramer, Stuttgart, 146 pp.
Shim, J. H. (1976). Distribution and Taxonomy of Planktonic Marine Diatoms in the Strait of Georgia, B.C. Phd. Thesis, UBC. Plate VII, fig. 2a & b.
Waters, R. E., Brown, L.N., and MG Robinson, M.G. (1992). Phytoplankton of Esquimalt Lagoon, British Columbia: comparison with west Vancouver Island coastal and offshore waters. Canadian Technical Report of Hydrography Ocean Sciences 137.
The only Boreus species recorded from Vancouver Island. ID'd on Bug Guide by Ben Coulter:
https://bugguide.net/node/view/492658#3637618
Found at The Greenery in Kelowna
On English Oak leaves. Adults fairly common. Galls present on the single young tree here. 2 adults collected from this site.
Reared from Diplolepis variabilis galls. Date reflects collection date.
https://inaturalist.ca/observations/145405565
Neuroterus anthracinus galls on Quercus robur
observation of the host oak: https://www.inaturalist.org/observations/92609068
galls of Neuroterus anthracinus
Host: Quercus robur: https://www.inaturalist.org/observations/91923963
Glabrous
Maybe robur
Iona Island Regional Park, Vancouver, BC, Canada
Barnston Island Regional Park - Mann Point, Vancouver, BC, Canada
The host tree is an English Oak raised from an acorn collected in Flanders, Belgium, sprouted, and then planted as an ornamental at this location. The galls are less than 1/8 inch diameter. There are multiple galls per leaf. Blisters along the vein suggest to me that some galls either were arrested in development via predation, or the galls dropped from the tree, leaving a scar. Unfortunately, my gall references have been unhelpful in identifying it beyond it being the probable efforts of a cynipid wasp.
@earely_bird I went back to find the gall but somehow could not track down the one I had this morning. Found this other one that I think is the same species as it can’t have been more than 15 feet from the original. I have it with me now, wanted to know if I should dissect or put it in a jar for you. If it’s that species you mentioned with no obs would rather rear it I figure. Let me know
Some kind of gall on spurge, which I’d never seen before. @earley_bird Any ideas?
Reared from Neuroterus anthracinus galls. Date reflects collection date.
https://inaturalist.ca/observations/145406144
Reared from Cynips mirabilis galls. Date reflects collection date.
https://inaturalist.ca/observations/145396874
@earley_bird @mileszhang I found some more of these galls.
on Oxytropis
@fmcghee do you happen to remember what this was on?
On g oak
Maybe? Closest I could find https://www.gallformers.org/gall/4143
quote from @earley_bird: "I bet if you looked at all your Riccias you might see that thing hidden in there". Challenge accepted. Out of 449 Riccia observations in BC, maybe 3 or 4 of mine might show it. This is the closest
@bradenjudson @eullstrom @rambryum @fmcghee
original observation here https://inaturalist.ca/observations/111664479
Collected for rearing
Explanation- last fall I found oyster galls on the leaves of this oak (https://inaturalist.ca/observations/93105266 for the gall, https://inaturalist.ca/observations/93105233 for the oak). I came back to the same tree looking for the April bud gall, and couldn't find it- but I did find this wasp, and observed it appearing to try to lay eggs on the buds! I know identifying the wasp from the photo alone is unlikely / impossible, but I'm hoping that based on context it would be reasonable to conclude this is Neuroterus anthracinus.
@mileszhang What’s this one? It doesn’t look quite like polita. On Rosa rubiginosa
maybe? Or some other Alpinobombus? @sydcannings @manysarahs @beesofcanada
Observation collected with permission from BC Parks
@earley_bird @mileszhang Here’s a third population (again with D. rosae on Rosa rubiginosa). Collected a bunch. I’d be curious to know if they are all one species, or if both are present.
Hen with 6 ducklings on an alpine pond, Tuya Mountains Provincial Park.
May be signiicant record of breeding in B.C., may be prompting future publication
of a natural history note. Same as https://inaturalist.ca/observations/185071769
My favourite species of duck, this was an absolute treat and a surprise to come across on our first full day.
More photos available upon request.
Collected and in RBCM collection
All hail the bonelord, guardian of the dead