68m
Specimen(s) from the collection: Russia, Dagestan, Agul'sky District, Burshag 47.64 E 41.90 N 2003-07-03 Abdulmedzhidova P., Alieva D. leg. // DAM-Bursh-01 01: 1 ♀ Rhombocoris regularis (Herrich-Schaeffer, 1851) Grebennikov K.A. det. 2021.
The same one on all photos. It was changing shape
Dictyocha speculum Ehrenberg 1839 (Octactis speculum Chang 2017)
Kingdom, Chromista; Phylum, Ochrophyta; Class: Dictyochophyceae; Order: Dictyochales; Family: Dictyochaceae; Genus: Dictyocha
Scanning Electron Microscope (SEM) images of the silica skeleton of the silicoflagellate Dictyocha speculum (Octactis speculum Chang 2017, Guiry et al. 2020). A silicoflagellate with an external silica skeleton, having 5-12 radiating spines, but normally six spines. Skeleton is most often hexagonal, with two rings of equal thickness, connecting struts and pikes on the basal ring.(Chang et al. 2017). Variable number of chloroplasts. Marine species.
Methods:
Specimen collected with a 10 μm mesh plankton net, Trincomali Channel, Spanish Hills Wharf, Galiano Island, Gulf Islands, British Columbia, Canada. Non-cleaned environmental sample. Scanning Electron Microscope: Hitachi 4700, University of British Columbia, BioImaging Facility. Thank you to Elaine Humphrey for preparation and SEM assistance.
References:
Chang, F.H., Sutherland, J. & Bradford-Grieve, J. (2017). Taxonomic revision of Dictyochales (Dictyochophyceae) based on morphological, ultrastructural, biochemical and molecular data. Phycological Research 65: 235–247, 22 figs.
Bérard-Therriault, L., Poulin, M. & Bossé, L. (1999). Guide d'identification du phytoplancton marin de l'estuaire et du Golfe du Saint-Laurent incluant également certains protozoaires. Publication Spéciale Canadienne des Sciences Halieutiques et Aquatiques 128: 1-387.
Guiry, M.D. & Guiry, G.M. 2012. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on May 31, 2020.
Hallegraeff, G.M. (2005). Silicoflagellates. In: Antarctic marine protists. (Scott, F.J. & Marchant, H.J. Eds), pp. 251-254. Canberra & Hobart: Australian Biological Resources Study; Australian Antarctic Division.
Parkinson, P. (2002). Ontogeny v. Phylogeny: The Strange Case of the Silicoflagellates. Constancea, 83. University and Jepson Herbaria, University of California, Berkeley.
Jahn Throndsen, (1997). The Planktonic Marine Flagellates. In: Identifying Marine Phytoplankton. (Tomas, C.R. Eds.). San Diego: Academic Press.
What's going on here? Are the small red mites babies or parasites??
Aphid of some sort but the suction cup structure beneath is what is confusing. Any ideas/information?
Beaten from Oak (Quercus sp) at edge of recently cut damp meadow. 6mm excluding antennae
Extra spot on P1!
Resident female sparrowhawk's kill
Hybrid Hirundo rustica x Delichon urbica. Capture for ringing at night roost (Petite Camargue ringing station). With Hirundo rustica for comparison.
No Hirundo rustica x Delichon urbica taxa available on INat.
A) Hôte = Pacifastacus leniusculus et branchiobdelle sur la pince gauche.
B & C) Branchiobdelles sous le propode de la pince.
D) Branchiobdelles sur le propode de la pince.
E) Branchiobdelles sur le branchiostégite gauche.
F) Habitat & site de collection.
Couple mâle femelle Scarabée rhinocéros européen
Colonie de nombreux individus sur un fond vaseux sur roche, un spécimen mort.
Meloe larvae on Cetonia aurata
A) Vue générale
B) Détails
C) Site d'observation
D) Comparaison avec M. rotata.
Bec court, robe largement marbrée, F .
Cayuga hybrids possibly.
Red-necked Wallaby
Macropus rufogriseus (Desmarest, 1817)
Spotted in the same forest than : http://www.cen-paca.org/index.php?rub=6&pag=article&pag2=286