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381 results for “Hokkaido”
Fig. 10 in Ostracods (Crustacea) from Sarobetsu Marsh, Northern Hokkaido, Japan: Taxonomy and Phenology with Description of Pseudocandona tenuirostris sp. nov.
Fig. 10. Pseudocandona tenuirostris sp. nov., holotype, ZIHU 3916. A, Walking leg; B, cleaning leg; C, uropod, with uropodal rami; D, left hemipenis; E, left clasping organ; F, right clasping organ. Scale bar: 100 µm.
Fig. 7 in Ostracods (Crustacea) from Sarobetsu Marsh, Northern Hokkaido, Japan: Taxonomy and Phenology with Description of Pseudocandona tenuirostris sp. nov.
Fig. 7. Pseudocandona tenuirostris sp. nov., SEM images. A, B, E, F, Paratype, male, ZIHU 3922; C, D, paratype, male, ZIHU 3923. A, Lateral view of right valve; B, lateral view of left valve; C, lateral view of male with right valve removed; D, internal view of right valve with muscle scar; E, lateral view of hemipenis; F, enlarged image of end of hemipenis.
Fig. 5 in Ostracods (Crustacea) from Sarobetsu Marsh, Northern Hokkaido, Japan: Taxonomy and Phenology with Description of Pseudocandona tenuirostris sp. nov.
Fig. 5. Cryptocandona sp., female, ZIHU 3912. A, Coxal plate of mandible; B, mandible, with enlargements of four palp segments shown to the left; C, maxillula; D, vibratory plate of maxillula; E, maxilliped. Scale bar: 100 µm.
Fig. 3 in Ostracods (Crustacea) from Sarobetsu Marsh, Northern Hokkaido, Japan: Taxonomy and Phenology with Description of Pseudocandona tenuirostris sp. nov.
Fig. 3. Cryptocandona sp., SEM images. A, Female, ZIHU 3914, lateral view with left valve removed; B, female, ZIHU 3915, lateral view of left valve.
Fig. 4 in Ostracods (Crustacea) from Sarobetsu Marsh, Northern Hokkaido, Japan: Taxonomy and Phenology with Description of Pseudocandona tenuirostris sp. nov.
Fig. 4. Cryptocandona sp., female, ZIHU 3912. A, Lateral view of right valve; B, lateral view of left valve; C, antennule; insets, details of endopodites of fifth to eighth podomeres; D, antenna (inset, details of two terminal endopodal podomeres). Scale bar: A, B, 300 µm; C, D, 100 µm.
Fig. 4 in Description of Mediomastus opertaculeus sp. nov. (Annelida: Capitellidae) from Hokkaido, Northern Japan
Fig. 4. Diagram showing three of the methyl-green staining patterns observed in the thorax (consisting of 11 segments) among nine specimens of Mediomastus opertaculeus sp. nov. A, Holotype, ZIHU 4369; B, paratype, ZIHU 4376; non-type, ZIHU 4377.
Fig. 2 in Description of Mediomastus opertaculeus sp. nov. (Annelida: Capitellidae) from Hokkaido, Northern Japan
Fig. 2. Mediomastus opertaculeus sp. nov., paratype, ZIHU 4370, SEM images. A, Anterior end of body, ventral view; B, capillary chaetae on segment 4; C, notopodial hooded hooks on segment 6; D, neuropodial hooded hooks on segment 6; E, notopodial hooded hooks on segment 12; F, neuropodial hooded hooks on segment 20.
Fig. 1 in Description of Mediomastus opertaculeus sp. nov. (Annelida: Capitellidae) from Hokkaido, Northern Japan
Fig. 1. Mediomastus opertaculeus sp. nov., holotype, ZIHU 4369. A, Anterior end of body, left lateral view; B, abdominal segments, left lateral view; C, posterior end, dorsal view.
Fig. 4. A in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 4. A maximum-likelihood phylogenetic tree of the genus Hymenolepis. The tree was made with sequences of mitochondrial cox1 (456 nucleotide sites) under the substitutional model GTR+G+I. The isolates of this study (18AK285, 19AK270, H22B, JA173, JA175, JA220, and JA244) are shown in bold face. The DNA accession number of each taxon is shown in parenthesis. Rodentolepis nana (accession no. LC063187) was used as an outgroup taxon.
Fig. 8. A in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 8. A maximum-likelihood phylogenetic tree of the genus Catenotaenia. The tree was made with 28S rDNA sequences (1208 nucleotide sites) under the substitutional model GTR+G. The isolates of this study (AMU, JA212, and JA317) are shown in bold face. The DNA accession number of each taxon is shown in parenthesis. Hymenolepis diminuta (accession no. AY157181) was used as an outgroup taxon.
Fig. 3 in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 3. Adult tapeworms of Hymenolepis sp. 1, Arostrilepis tenuicirrosa, and Microsomacanthus sp. A, Scolex of Hymenolepis sp. 1; B, mature proglottids of Hymenolepis sp. 1; C, scolex of A. tenuicirrosa; D, mature proglottid of A. tenuicirrosa; E, gravid proglottid of A. tenuicirrosa; F, whole body of Microsomacanthus sp.; G, scolex of Microsomacanthus sp.; H, mature proglottids of Microsomacanthus sp. Scale bars: A, C, G, 200 µm; B, D, 500 µm; E, 1 mm; F, 2 mm; G, 100 µm.
Fig. 6 in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 6. Adult tapeworms of Paranoplocephala kalelai, Catenotaenia sp., and Raillietina sp. A, Scolex of P. kalelai; B, mature proglottid of P. kalelai; C, gravid proglottid of P. kalelai; D, scolex of Catenotaenia sp.; E, mature proglottid Catenotaenia sp.; F, gravid proglottids of Catenotaenia sp.; G, scolex of Raillietina sp.; H, mature proglottids of Raillietina sp. Scale bars: A–C, E, H, 500 µm; D, G, 200 µm; F, 1 mm.
Fig. 5. A in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 5. A maximum-likelihood phylogenetic tree of the genus Arostrilepis. The tree was made with sequences of mitochondrial cytb (558 nucleotide sites) under the substitutional model GTR+G+I. The isolates of this study (19AK170, 19AK439, 19AK454, and 19AK459) are shown in bold face. The DNA accession number of each taxon is shown in parenthesis. Hymenolepis diminuta (accession no. AF314223) was used as an outgroup taxon.
Fig. 2. A in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 2. A maximum likelihood phylogenetic tree of the families Hymenolepididae, Anoplocephalidae, Catenotaeniidae, and Davaineidae. The tree was made with sequences of 28S rDNA (1137 nucleotide sites) under the substitutional model GTR+G. The isolates of this study (19AK270, JA175, 19AK170, JA313, 19AK378, AMU, and Para33SI) are shown in bold face. The DNA accession number of each taxon is shown in parenthesis. Bootstrap percentages are shown on each node. Scale bar indicates the number of substitutions per nucleotide site. Dibothriocephalus nihonkaiensis (accession no. LC474508) was used as an outgroup taxon.
Fig. 1 in Cestode fauna of murid and cricetid rodents in Hokkaido, Japan, with assignment of DNA barcodes
Fig. 1. Maps of the Japanese Archipelago and Hokkaido. Arrows indicate the southward and northward movements of terrestrial mammals in the Pleistocene glacial epoch. Rodent sampling sites are shown as open circles.
Fig. 3 in Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia
Fig. 3. Map of Hokkaido Island and the southern Kuril Islands, showing the collection localities of Salmincola edwardsii in the previous (closed triangles, Shedko and Shedko, 2002) and present (closed circles) studies. Open circles show no copepod infection on southern Asian Dolly Varden. 1, Olya Inlet (Prostor Bay), Iturup Island; 2, Kuibyshev Bay, Iturup Island; 3, Petrova River, Kunashir Island; 4, a nameless creek, Kunashir Island; 5, Rusha River; 6, Rausu River; 7, Shari River; 8, Shibetsu River; 9, Saru River; 10, Yoichi River; 11, Shiribetsu River; 12, Notto River; 13, Chihase River.
Fig. 2 in Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia
Fig. 2. Female of Salmincola edwardsii attached to the base of gill filament of southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from the Shari River, Hokkaido Island. Formalinfixed and later ethanol-preserved specimen, lateral view. Abbreviations: c, cephalothorax; es, egg sac; ga, gill arch; gf, gill filament; mx2, second maxilla; mxp, maxilliped; t, trunk. Scale bar: 1 mm. Note most portions of the infected gill filament lost, and a bulbous swelling (*) enveloping the bulla.
Fig. 1 in Salmincola edwardsii (Copepoda: Lernaeopodidae) Parasitic on Southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from Hokkaido Island, Japan, with the Southernmost Distribution Record of the Copepod in Asia
Fig. 1. Salmincola edwardsii, female, from southern Asian Dolly Varden, Salvelinus malma krascheninnikova, from the Shari River, Hokkaido Island. A, habitus, anterolateral view; B, second antenna, lateral view; C, mandible, lateral view; D, first maxilla, lateral view; E, maxilliped, lateral view. Abbreviations: ant2, second antenna; b, bulla; c, cephalothorax; es, egg sac; ex, exopod; h1, hook 1; mx2, second maxilla; mxp, maxilliped; p, palp; p4, process 4; p5, process 5; s2, spine 2; sy, sympod; t, trunk. Scale bars: A, 1 mm; B, 50 µm; C, 20 µm; D, 100 µm; E, 200 µm.
Fig. 6 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 6. The egg of Pseudoleucochloridium ainohelicis nom. nov. in the gravid adult. The left end is an operculum. An arrow indicates the notch of eggshell. A miracidium is visible inside. Scale bar 10 µm.
Fig. 4 in Pseudoleucochloridium ainohelicis nom. nov. (Trematoda: Panopistidae), a Replacement for Glaphyrostomum soricis Found from Long-Clawed Shrews in Hokkaido, Japan, with New Data on its Intermediate Hosts
Fig. 4. The cercaria and metacercaria of Pseudoleucochloridium ainohelicis nom. nov. from Ainohelix editha. Both of the drawings are in ventral view. A) Cercaria. Scale bar 100 µm; B) Metacercaria. Scale bar 500 µm.
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