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photo: Ruby Franz (8 yrs)

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Coscinodiscus wailesii Gran & Angst 1931

Class: Coscinodiscophyceae, Order: Coscinodiscales, Family: Coscinodiscaceae, Genus: Coscinodiscus. Image of Coscinodiscus wailesii Gran & Angst 1931 (Guiry et al.2020). Isolated and cloned in 2019 (SHW-clone C-2019) from Trincomali Channel (TC), Spotlight Cove, North Galiano Island, B.C.

A common coastal marine diatom. Cells are solitary and described as discoid (Jameson et al. 2010), drum shaped (Lee et al. 1992), or large cylindrical cells (Hasle et al. 1992) [Images 1a, 2a-b]. Dimensions can range from low to taller than wide and rectangular in outline (mid cell focus) [image 2b] (Hasle et al. 1997, Horner 2002, Hoppenrath et al. 2009). Valves are flat at the centre but become concave and steep near the mantle [Images 2b, 7, 12a] (Hasle et al. 1997, Horner 2002, Hoppenrath et al. 2009). Diameter range of 160-500 µm (Gran and Angst 1930 in Lee et al. 1992, Hasle et al. 1997, Hoppenrath et al. 2009). Height of frustule is 30-350 µm (Lee et al. 1992), where the hight of the cell can be equal to its diameter (Hasle et al. 1992, 1997). The chloroplasts are numerous and irregular in outline [Images 1a-b,2a, 4, 5] (Hasle et al. 1992).

A prominent central hyaline area free of internal and external perforations, irregular borders [Images 8, 10, 11a] (Hasle et al. 1992, Talgatti et al. 2010), with morphological differences found in Brazilian specimens (Fernandes et al, 2001). Hyaline lines are wide and radiate from the central area [Images 8, 11b] (Hasle et al. 1997).

Areolae are hexagonal in outline [Images 14b-c, 12c], complex structures and the pattern on the valve is radial with a range of 4-7 areolae in 10 µm, more commonly 5-6 (Cupp 1943, Hasle et al. 1992, 1997, Fernandes et al. 2001) [Images 11a-b, 12a-b]. Valve areolae slightly increasing in size from centre to margin, then near margin decreasing (Cupp 1943, Tagletti et al. 2010). Lee et al. (1992) reports 4-4.5 in 10 µm on valve face and valve mantle for specimens from Korean waters. Cribra are visible with LM, cover the areolae, are slightly domed and complex (Lee et al. 1992, Hasle et al. 1997).

Small rimoportulae are randomly distributed throughout the valve face [Images 11a-b] (Hasle et al., 1997). Two rings of marginal micro-rimoportulae (small labiate processes) are found on the narrow zone, a sharp bend, between mantle and valve face in the mantle’s median region and near the edge of the mantle [Images 12a-c, 14a-c] (Hasle et al, 1992, Tagetti et al. 2010): micro-rimoportulae 2-10 areolae apart [Images 12a-c, 14a] (Hasle et al. 1997) and 1-2 in 10 µm for Korean specimens (Lee et al. 1992), though considerable variation in distance has been noted (Hasle et al. 1992). There are two macro-rimoportulae per ring of processes with a reported angle range of 120-180 degrees apart [Image 13] (Hasle et al. 1997). Lee et al. (1992) reports Korean samples have an angle of 120 degrees between the two macro-rimportulae.

Three collar shaped bands comprise the cingulum (Hasle et al. 1992). The bands have numerous small areolae along striae located on the pervalvar axis reported at 32-34 striae in 10 µm and 30-35 areolae (pores) in 10 µm (Hasle et al. 1992). Coscinodiscus wailesii is easily confused with both C. centrals and C. concinnus (Fernandes et al. 2001) and smaller C. wailesii cells with C. asteromphalus, due to a central rosette (Lee et al. 1992) found in both Korean and Brazilian specimens.

Reported from temperate to warm waters (Horner 2002). Coscinodiscus wailesii is distinguished from other Coscinodiscus species by: a) hyaline area and irregular outline, b) small areolae, close together on valve, c) radial pattern of areolae on valve, d) flat valve face, then concave at edge, steeply sloping to a sharp bend (three areolae wide) at mantle/valve, e) two rings of micro-labiate processes, spacing and their locations on valve and mantle, f) pattern and spacing of the hyaline interstriae on the mantle, each ending in a micro-labiate process near mantle edge, g) numerous chloroplasts and irregular in outline, h) small rimoportulae scattered across valve, i) large size of cell, height can be close to the diameter, and seen in girdle view a rectangular outline and j) locations macro-rimoportulae and morphology (requiring SEM).

C. wailesii can form blooms, is potentially biofouling and is considered an invasive species in some waters (Horner 2002, Hoppenrath et al. 2009, Talgattii et al. 2010). The species was first reported from the Sailish Sea near Nanaimo, British Columbia by Gran and Angst (1931) and identified in the Straight of Georgia by Shim (1976) during the summer and fall. Not reported in the Salish Sea in other surveys (Rao et al. 1976, Tynni 1986, Waters et al. 1992, Pienitz et al. 2003, Phyto'pedia - UBC 2020).

Observations on Trincomali Channel samples and notes on diagnostic features:

Hyaline area and lines: The hyaline area refers to surfaces, when seen with a light microscope (LM) are clear or free of areolae, pores or small rimoportulae [Images 10, 11a-b] (Hasle et al. 1997). The hyaline area of the TC isolates are pronounced, slightly irregular in shape and accords well to other published images (Cupp 1943, Lee et al. 1992, Fernades et al. 2001, Talgatti et al. 2010, Jameson et al. 2010). However, Fernandes et al. (2001) demonstrate, at least for C. wailesii found in Brazilian waters, that smaller diameter cells can show a rosette pattern in the hyaline area, externally or internally, apparently due to successive size reductions after cell division (Schmid 1990).

Areolae: The areolae are in a radial pattern, small, close together and numerous [Images 8, 13, 14a]. Slightly differing from Gran and Angst (1930) and Talgatti et al. (2010) reports, but conforming to Hasle et al. (1992), the areolae in TC samples are generally smaller in the centre and slightly larger at the valve mantle [Images 8, 11b, 13, 14a] (Gran and Angst (1930) and Talgatti et al. (2010) reported decreased sized areolae at the joint of the valve face and mantle): the TC (SHW-clone C-2019) areolae range from 0.8-1.8 µm in diameter near the center, to 1.3-2 µm at the sharp bend, between mantle and valve face [Image 12b-c], and 1.2-1.5 µm along the mantle. Number of areolae are 5-6 in 10 µm (Hasle et al. 1997) and 4-4.5 for Korean specimens (Lee et al. 1992) and 5.5-6.5 (both LM and SEMs) for the 2019 TC isolate [10, 11a, 14b].

Valve rimoportulae or solid silica: Scattered across the valve are small rimoportulae or small hyaline areas of solid silica, slightly larger than the valve areolae [Images 12, 16] (Hasle et al. 1992, Hasle et al. 1997).

Marginal rimoportulae: C. wailesii has two rings of marginal rimoportulae [Images 12a, 14a-c]. Processes in the first ring are closer together than the outer processes along the mantle edge [Images 14c] (Hasle et al. 1997). For TC isolate C, the ring of marginal processes at the sharp bend, between mantle and valve face, usually visible with LM, measures 2-6 areolae, or 5-14 µm apart [Images 12c-b, 14b]. The second marginal ring, not visible in valve view, are 3-3.5 areolae (about 7-8 µm) from the edge of the mantle and are 6-15 areolae, or 11.5-27 µm apart [Images 14b-c]. As in other reports, TC marginal rimoportulae have considerable variation in distance between processes (Hasle et al. 1992, Hasle et al. 1997). There are two macro-rimoportulae with a reported angle of between 120-180 degrees apart (Hasle et al. 1997). Lee et al. (1992) reports Korean samples have an angle of 120 degrees between the two macro-rimportulae, congruent with 121 degrees apart for the the TC specimen (SHW-clone C-2019) [Image 13]. The shape and size of macro and micro-rimoportulae are a diagnostic feature for Coscinodiscus species (Hasle et al. 1992). We do not have clear images of the macro-rimoportulae [Image 12b], however a detailed description can be found in Hasle et al. (1992).

Chloroplasts (plastids): The chloroplasts are numerous and possibly characteristic of this species [Images 1a-b, 2a]. Though reported as irregular in shape (Hasle et al. 1997), the C. wailesii TC chloroplast morphology appears distinctive and would suggest investigation [see the C.wailesii iNaturalist observation from November 23-24, 2019].

Occurrence: Found in the Trincomali Channel from September through December, a similar observation to Shim (1976).

Methods: Plankton collected with a 60 micron net at Spotlight Cove, Trincomali Channel, North Galiano Island (48°58’41.4"N, 123°34'11.2"W), Southern Gulf Islands, British Columbia, Canada, September 18, 2019. A single cell, SLC-clone C-2019 was isolated and cleaned via micro-pipette in at least three drops of sterile TC water and micro-pipetted into a 55 mm sterile polystyrene petri dish containing Guillard f/10 growth media and cloned at 16 degrees C with an artificial 12:12 day-night cycle. The initial diameter of the 2019 clone was 495 µm [Image 1b]. For LM a Nikon TE300 or E800 light microscope with Tucsen 16 MP DigiRetna or AmScope 20 MP back illuminated CMOS cameras were used. For LM imaging, live cells were micro-pipetted into sterile growth media either in culture dishes with #1.5 coverslip bottoms or onto a #1.5 coverslip and slide and sealed with a syringed ring of vaseline. Cells were either cleaned in 30-40 C concentrated nitric acid (preferred for C. wailesii) or 6-10 hours in 30% Hydrogen peroxide at 70-80 C in glass centrifuge tubes (for Coscinodiscus species multiple treatments of Hydrogen peroxide are required). Cells were rinsed in distilled water to remove salts and reaction products. For SEM, cells were micro-pipetted onto aluminium SEM stubs with incised grooves (Webber et al., 2020). Stubs sputter coated with gold. SEM images were taken with a Hitachi S-4800 FESEM at the Advanced Microscope Facility at University of Victoria or otherwise noted in the image descriptions. Many thanks to Elaine Humphrey who assisted in the taking the SEM images.

Images:

Image 1a:  LM image of a live cell of SLC-clone C-2019, 17 days after isolation. Valve view showing a circular outline, small irregular chloroplasts and nucleolus. Imaging on October 4, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 1b: LM image of a live cell of SLC-clone C-2019, 17 days after isolation. Valve view showing numerous small irregular shaped chloroplasts and circular nucleolus. Imaging on October 4, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 2a: LM image of a live cell of SLC-clone C-2019, 17 days after isolation. Valve and girdle view showing a circular drum shaped outline, numerous small areolae and small irregular chloroplasts. Imaging on October 4, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 2b: LM image of a live cell of SLC-clone C-2019, 17 days after isolation. Girdle view showing a rectangular outline, a) flat valve face, b) concave part of the valve face, c) edge of mantle and d) small irregular chloroplasts. Imaging on October 4, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 3: LM image of a live cell of SLC-clone C-2019, 22 days after isolation. Valve view. Imaging on October 9, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 4: LM image of a live cell of SLC-clone C-2019, 22 days after isolation. Valve view. Imaging on October 9, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 5: LM image of a live cell of SLC-clone C-2019, 22 days after isolation. Valve view. Stack of 5 images. Imaging on October 9, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 6: LM image of a cleaned cell of SLC-clone C-2019, 17 days after isolation. Valve view showing 495 µm diameter cell, clear central hyaline area and numerous small radiating areolae. Visible are numerous micro-rimoportualae, dark fine lines on edge of cell. Imaging on October 4, 2019. Nikon TE300 DIC, image taken with a Tucsen DigiRetina 16.

Image 7: LM image of a cleaned cell of isolate SLC-clone C-2019, imaged April 13, 2020. Valve view showing overall morphology of the frustule, clear central hyaline area and numerous small radiating areolae. Visible are numerous micro-rimoportualae, dark fine lines on edge of cell. Imaging on October 4, 2019. Nikon E800, using an AmScope MU2003 20 MP camera.

Image 8: LM image of a cleaned cell of isolate SLC-clone C-2019, Valve view of a 412 µm diameter frustule, clear central hyaline area and numerous small radiating areolae. Visible are numerous micro-rimoportualae, dark fine lines on edge of cell and one of the two macro-rimoportualae. Imaged April 15, 2020. Focus stack of three images with Helicon software. Nikon E800, using an AmScope MU2003 20 MP camera.

Image 9: SEM image. Girdle view of partially cleaned isolate SLC-clone C-2019, Valve view showing the numerous small radiating areolae. SEM mage taken with a Hitachi 4800 at the University of Victoria Advanced Microscope Facility (AMF), November 1, 2019.

Image 10: LM image of a cleaned cell of isolate SLC-clone C-2019, Valve view of a cleaned cell showing a clear central hyaline area and numerous small radiating areolae with small areas of silica (white arrows). October 4, 2019. Nikon TE300, image taken with a Tucsen DigiRetina 16.

Image 11a-b: LM image of a cleaned cell of isolate SLC-clone C-2019, valve view showing a clear central hyaline area and numerous small radiating areolae in complete and incomplete rows ending in either a small area silica or areola (black arrows). April 13, 2020. Nikon E800, using an AmScope MU2003 20 MP camera.

Image 12a-c: LM image of a cleaned cell of isolate SLC-clone C-2019, valve view showing a) flat valve face, b) sharp bend at transition from the concave part of the valve face, c) numerous micro-rimoportulae and d) mantle. April 13, 2020. Nikon E800, using an AmScope MU2003 20 MP camera.

Image 13: LM image of a cleaned cell of isolate SLC-clone C-2019, valve view showing the locations of one set (four macro-rimoportulae per cell) of the two macro-rimoportulae 121 degrees apart on the sharp bend at transition from the concave part of the valve face. April 15, 2020. Nikon E800, using an AmScope MU2003 20 MP camera.

Image 14a-c: LM image of a cleaned cell of isolate SLC-clone C-2019, valve view showing two rings of micro-rimoportulae. April 13, 2020. Focus stack of two images using Helicon software. Nikon E800, using an AmScope MU2003 20 MP camera.

Image 15: LM image of a cleaned cell of isolate SLC-clone C-2019, valve view showing pores on the mantle April 4, 2020. Nikon TE300, image taken with a Tucsen DigiRetina 16.

References:

Al-Yamani, F.Y. & Suburova, M.A. (2019). Marine phytoplankton of Kuwait's waters Volume II. Diatoms. pp. [1]-336, 161 pls. Kuwait: Kuwait Institute for Scientific Research.
Cupp, E. E. (1943). Marine Plankton Diatoms of the West Coast of North America. Bull. Scrips. Inst. Oceanography. 5: 1-238.

Talgatti, D., Laudares-Silva, R., Garcia, M., Vettorato, B. and Simonassi, J. C. (2010). Considerations about Coscinodiscus wailesii (Diatomeae) on the Santa Catarina island coast, Brazil. Braz. j. oceanogr. vol.58 no.4. 
Gran, H.H. and E.C. Angst (1930). Plankton Diatoms of Puget Sound. Publ. Puget Sd. Mar. (biol.) Sta. 7: 417-519 (secondary reference from Hasle, G.R. and Lange, C.B. (1992).

Guiry, M.D. in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 20 January 2020.
Hasle, G. R., and Ashworth, T.K. (1988). The Diatom Genus Coscinodiscus Ehrenberg: Characters Having Taxonomic Value. Botanica Marina. Vol. 31, pp 359-374.

Hasle, G.R. and Lange, C.B. (1992). Morphology and distribution of Coscinodiscus species from the Olsofjord, Norway, and the Skagerrak, North Atlantic. Diatom Research. Vol. 7 (1), 37-68.

Hasle, G.R. & Syvertsen, E.E. (1996). Marine diatoms. In: Identifying Marine Phytoplankton. (Tomas, C.R. Eds). San Diego: Academic Press.

Hoppenrath, M., Elbrächter, M. & Drebes, G. (2009). Marine phytoplankton Selected microphytoplankton species from the North Sea around Helgoland and Sylt. pp. [1]-264, figs 1-87. Stuttgart: E. Schweizerbart'sche Verlagsbuchhandlung.

Horner, R. (2002). A Taxonomic Guide to Some Common Marine Phytoplankton. Biopress Ltd. Bristol, UK.

Jameson, I. & Hallegraeff, G.M. (2010). Planktonic diatoms. In: Algae of Australia. Phytoplankton of temperate waters. (Hallegraeff, G.M., Bolch, C.J.S., Hill, D.R.A., Jameson, I, LeRoi, J.-M., McMinn, A., Murray, S., de Salas, M.F. & Saunders, K. Eds), pp. 16-82. Canberra & Melbourne: ABRS; CSIRO Publishing.

Lee, J. H., Jung, Y. H. and Choi, C. I. (1992). The Diatom Genus Coscinodiscus Ehrenberg: C. wailesii Gran & Angst. The Korean Journal of Phycology. Vol. 7(1):55-62.
Nagai, S., Hori, Y. Manabe, T. and Imai, I. (1995). Restoration of cell size by vegetative cell enlargement in Coscinodiscus wailesii (Bacillariophyceae). Phycologia. Vol. 34 (6), 533-535.

Phyto'pedia - The Phytoplankton Encyclopaedia Project, UBC Department of Earth, Ocean and Atmospheric Sciences: https://www.eoas.ubc.ca/research/phytoplankton/diatoms/centric/ditylum/d_brightwellii.html Accessed January 17, 2020.

Rao, V.N.R. and Levin, J. (1976). Benthic marine diatom flora of False Bay, San Juan Island, Washington. Syesis, 9:173–213.

Round, F.E.,Crawford, R.M. & Mann, D.G. (1990), The Diatoms, Biology & Morphology of the Genera. Cambridge University Press, Cambridge, UK.

Schmid, A. M. (1990). Intraclonal variation in the valve structure of Coscinodiscus wailesii Gran et Angst. Nova Hedwigia Beih. 100: 101–19.

Shim, J. H. (1976). Distribution and Taxonomy of Planktonic Marine Diatoms in the Strait of Georgia, B.C. Phd. Thesis, UBC. P. 140. P. 233a: Plate XII.12; fig 7.

Smithonian Marina Station at Fort Pierce: https://naturalhistory2.si.edu/smsfp/irlspec/Coscin_wailes.htm

Swedish Meteorological and Hydrological Institute, https://www.smhi.se/oceanografi/oce_info_data/plankton_checklist/diatoms/coscinodiscus_wailesii.htm 1996-2006, Mats Kuylenstierna & Bengt Karlson All rights reserved. Last modified on 15 September, 2006 Accessed April 9-2020.

Tynni, R. 1986. Observations of diatoms on the coast of the state of Washington. Geological Survey of Finland, Report of Investigation 75.

Webber, M. and Humphrey, E. (2020). A Quick and Simple Technique for Orientating Diatoms for SEM and Light Microscopy. Microscopy Today. 28(1), 30-33.

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Rhagodima cf. nigrocincta

Cincta (cinctus, cinctum) in latin means "surrounded by". So the portmanteau "nigrocincta" can mean "surrounding by black color". This might refer to colors and patterns on the abdomen of this species. Or it may not refer to black patches on some legs which does not form full circle/ring as in R. Annulata.

But these informations are not clear to me as per the description by Henry Meyners Bernard who described the species as Rhax nigrocincta along with Rhax Howesii (currently assigned as Rhagodes melanopygus). Another information I can find is that as per Simon's 1885 description R. annulata has body length of 18mm and as per Bernard's description of R. nigrocincta is around 1.25 to 2 inches. T̶h̶e̶ ̶s̶p̶e̶c̶i̶m̶e̶n̶ ̶w̶e̶ ̶s̶a̶w̶ ̶w̶a̶s̶ ̶a̶r̶o̶u̶n̶d̶ ̶1̶.̶2̶ ̶t̶o̶ ̶1̶.̶5̶ ̶i̶n̶c̶h̶e̶s̶ ̶l̶o̶n̶g̶.̶ (The specimen was just 2 cms long after I re-checked the video where it climbed to my friend's hand. Videograb is attached as last photo.)

Henry Meyners Bernard's 1894 article on the species called "On two new species of Rhax. Journal of Linnean Soicety London" can be read here: https://ww.rcin.org.pl/dlibra/publication/88759/edition/67942/content?ref=struct

The illustrations on the book has been digitized and uploaded to Wiki Commons over here:
https://commons.wikimedia.org/wiki/File:Rhagodima_nigrocincta.jpg

https://commons.wikimedia.org/wiki/File:Rhagodima_nigrocincta_cutted.jpg

Comparing the images above I can see similar black patches on the legs. Also the white moustache pattern has good resemblance on the individual. But I don't see the spurs specified in illustrations.

Note: I am not conforming on the species level identification here. I have just added my notes here for future reference for anybody who wants to take this subject for research.

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collected Feb 12, 2018

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growing at the Cheakamus

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pamjanszen

Fecha

Mayo 28, 2019 11:17 AM PDT

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Autor

pamjanszen

Fecha

Abril 16, 2017 11:48 PM PDT

Fotos / Sonidos

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Autor

j_arndt

Fecha

Abril 24, 2019 07:17 AM PDT

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Qué

Estrella de Cuero Dermasterias imbricata

Autor

jkaseman18

Fecha

Agosto 1, 2019 11:19 AM PDT

Descripción

according to sea stars of the pacific northwest "Smells garlic-like." bummed i forgot to smell it!

Fotos / Sonidos

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Frigáneas Orden Trichoptera

Autor

jkaseman18

Fecha

Agosto 4, 2019 03:09 PM PDT

Descripción

caddisfly larvae

Fotos / Sonidos

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Qué

Abaniquillo Pardo del Caribe Anolis sagrei

Autor

fmgee

Fecha

Noviembre 27, 2018 07:11 PM PST

Descripción

found in a house without pet lizards. Maybe come in on flower arragement? Anyone know what it might be? Certainly not a native here.

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Autor

aksimpson

Fecha

Septiembre 5, 2007 10:11 AM PDT

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Ratones de Campo Género Peromyscus

Autor

ygulbot

Fecha

Febrero 8, 2020 03:14 PM PST

Fotos / Sonidos

Qué

Martín Pescador Norteño Megaceryle alcyon

Fecha

Febrero 3, 2020 03:49 PM EST

Descripción

Kingfisher carried this goldfish around to several perches in three-four trees, chortling the whole while. From rather high up, he dropped the fish, and then almost immediately after that spit up a pellet (see picture 3).

Goldfish observation: https://www.inaturalist.org/observations/38280192

Fotos / Sonidos

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Autor

adolfceska

Fecha

Enero 9, 2020 03:38 PM PST

Descripción

Canada, BC, Victoria, Observatory Hill
\

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Autor

suepsalter

Fecha

Agosto 11, 2019 02:27 PM PDT

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Fecha

Enero 25, 2020 09:17 AM UTC

Fotos / Sonidos

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aimeejackson

Fecha

Enero 25, 2020 02:08 PM UTC

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Gavilán Azor Accipiter gentilis

Autor

hillanddale

Fecha

Enero 17, 2020

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Autor

mothmaniac

Fecha

Mayo 29, 2005

Descripción

CANADA; British Columbia
Ellison Provincial Park; Vernon, 16 km S at Ellison Provincial Park,
Southern Interior Ecoprovince (Ponderosa Pine & Douglas Fir Forest)
2005-May-29 (UV trap)
DAM#010826

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Fotos / Sonidos

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Chipe Amarillo Setophaga petechia

Autor

johnkrampl

Fecha

Mayo 21, 2019 02:43 PM HST

Descripción

Beautiful bird at a rest stop off the highway in Manning Park, B.C.

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Escribano Nival Plectrophenax nivalis

Autor

hillanddale

Fecha

Enero 11, 2020
Fungi

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Hongos Reino Fungi

Autor

microbin

Fecha

Enero 3, 2020 03:00 PM CST

Descripción

Kinda looked more goopy than leafy so I’m thinking it might be a fungi?

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Erizo de Mar Rojo Mesocentrotus franciscanus

Autor

bradenjudson

Fecha

Agosto 9, 2016

Fotos / Sonidos

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Autor

bradenjudson

Fecha

Diciembre 19, 2019 12:13 PM PST

Fotos / Sonidos

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Autor

bstarzomski

Fecha

Junio 9, 2019 07:22 AM PDT

Lugar

Canada (Google, OSM)

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Autor

dougnash

Fecha

Septiembre 9, 2019 09:35 AM PDT

Descripción

Freshwater Crayfish 5" long

Fotos / Sonidos

Autor

citizen1

Fecha

Diciembre 22, 2019 11:23 AM PST

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Arañas de Tierra Familia Gnaphosidae

Autor

wolfsden

Fecha

Diciembre 24, 2019 10:02 PM PST

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Sapo Excavador Spea intermontana

Autor

earley_bird

Fecha

Agosto 2, 2019 10:37 PM PDT

Fotos / Sonidos

Autor

kschnei

Fecha

Agosto 6, 2019

Descripción

Caught in Malaise trap 3-10 August 2019, photos taken at California Academy of Sciences, tentative species ID based on shape of distal tip of subgenital plate, also posted to BG here:
https://bugguide.net/node/view/1763071

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Fotos / Sonidos

Fecha

Agosto 14, 2011 07:29 AM PDT

Descripción

On Abies grandis.

Fotos / Sonidos

Autor

rambryum

Fecha

Noviembre 30, 2019 01:53 PM PST

Descripción

On Garry Oak trunk

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Hongo Cazahuate Armillaria mellea

Autor

andrewcannon

Fecha

Enero 5, 2008 11:50 AM HST

Fotos / Sonidos

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j_arndt

Fecha

Junio 5, 2019 06:34 AM PDT

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Hongo Matamoscas Amanita muscaria

Autor

hipa

Fecha

Octubre 9, 2019 01:00 PM PDT

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Zorro Rojo Vulpes vulpes

Autor

lizosborn

Fecha

Mayo 23, 2019 05:46 PM PDT

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Fotos / Sonidos

Autor

carita

Fecha

Octubre 15, 2019 02:05 PM SAST

Descripción

Quite rugged little flame-like spikes, some forked at tip.

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jamestt

Fecha

Junio 18, 2014 02:05 PM EDT

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gabe_schp

Fecha

Octubre 1, 2019 01:01 PM PDT

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Sapo de Aleta Lucia Porichthys notatus

Autor

zacharge

Fecha

Julio 5, 2018 08:17 PM PDT

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Polillas Esmeralda Y Parientes Familia Geometridae

Fecha

Julio 15, 2019 07:46 AM PDT

Descripción

Boya Lake Provincial Park, BC

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Polillas Búho Familia Noctuidae

Autor

thomasbarbin

Fecha

Septiembre 24, 2019 10:08 AM PDT

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fmgee

Fecha

Octubre 3, 2019 05:57 PM PDT

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Bobo Café Sula leucogaster

Fecha

Octubre 1, 2019 02:02 PM PDT

Descripción

Off Iona Island, Vancouver, BC, Canada. Mega rarity here.

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Araña de Jardín Bandeada Argiope trifasciata

Autor

jbedard

Fecha

Septiembre 30, 2019 07:09 PM PDT

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Autor

carita

Fecha

Septiembre 21, 2019 09:41 PM MDT

Fotos / Sonidos

Fecha

Mayo 29, 2019 02:21 PM PDT

Descripción

I am not sure whether this is Phyllobius or Polydrusus. I think it is Phyllobius intrusus.

I found photos comparing the green Polydrusus here: http://claude.schott.free.fr/Polydrusus/images/polydrusus-PL2.jpg

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hydaticus

Fecha

Julio 10, 2019 09:17 AM CDT

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Autor

carita

Fecha

Septiembre 7, 2019 07:46 AM MDT

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Araña Camuflada de Las Flores Misumena vatia

Fecha

Septiembre 6, 2019 06:27 AM PDT

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Andrómeda de Pino Pterospora andromedea

Fecha

Julio 27, 2019 03:08 AM PDT

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Autor

kate418

Fecha

Julio 10, 2019 01:34 PM MDT

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Noctuido de la Acedera Noctua pronuba

Autor

rjadams55

Fecha

Mayo 21, 2016

Descripción

Adult male Brewer's Blackbird carrying a recently introduced Large Yellow Underwing moth (Noctua pronuba).

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Estrella de Cuero Dermasterias imbricata

Autor

kmfret

Fecha

Junio 4, 2019 09:07 AM PDT

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Autor

kwright

Fecha

Agosto 9, 2019 10:26 PM PDT

Fotos / Sonidos

Fecha

Junio 25, 2019 04:14 PM PDT

Descripción

Note, this was about 250 m downstream of another location where I found this species last year. There's some discussion about the ID. https://inaturalist.ca/observations/19604739. Lee Ck, Roscoe Inlet

Fotos / Sonidos

Autor

dianalynn1

Fecha

Julio 28, 2019 05:58 PM PDT

Descripción

Unknown. Looks like lichen. C atroliturata is not known here. Must do further research

Fotos / Sonidos

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pat-makh

Fecha

Julio 28, 2019 09:33 PM PDT

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Autor

caseyl

Fecha

Julio 21, 2019 12:53 PM PDT

Descripción

It stayed in the same spot on the wall for at least 5 days.

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benkeen

Fecha

Julio 21, 2019 12:03 AM PDT

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sara849

Fecha

Julio 20, 2019 07:01 PM PDT