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273 results for “Hirudinida”
FIGURES 23. Bathybdella sawyeri. 2 in Morphological variability of Bathybdella sawyeri (Hirudinida: Piscicolidae) from hydrothermal vents on the Galápagos Rift and the South East Pacific Rise.
FIGURES 23. Bathybdella sawyeri. 2: specimens from Oasis showing lack of pigmentation and the gut full of blood, ventral view. 3: specimen from Pagoda taken from the crab Cyanagraea praedator, lateral view. o, oral sucker. Scale bars = 2.0 mm.
FIGURES 1–6 in Discovery and natural history of the mussel leech Batracobdella kasmiana (Oka, 1910) (Hirudinida: Glossiphoniidae) in Russia
FIGURES 1–6. The mussel leech Batracobdella kasmiana (Oka, 1910). Fig. 1. The distribution range of B. kasmiana and sites in which leeches were searched but were not found. Red circles represent our new records from the Russian Far East: (R01) Komarovka River, Razdolnaya (Suifen) River basin, (R02) Soldatskoe Lake, Razdolnaya (Suifen) River basin, and (R03) Gladkaja River. Blue circles represent published records from Honshu, Japan: (J01) Komatsu, Biwa Lake, (J02) Hii River, (J03) Kasumigaura Lake, (J04) Owari, (J05) Bizen, and (J06) Kyoto (data sources: Oka 1917; Yamauchi et al. 2008; Itoh 2012; Shimazu 2014). Blue cross-hatching represents the approximate range in China in accordance with boundaries of province-level administrative divisions (Yang 1996). Black empty circles represent sites studied by us in which parasitic leeches were not recorded (E01–E12). Map: Mikhail Y. Gofarov; Fig. 2. Live B. kasmiana specimens (n = 55) in the internal cavity of Sinanodonta sp., Gladkaja River (specimen no. 1). Numerous small black inclusions are parasitic mites (Acari: Unionicolidae). Scale bar: 10 mm. Photo: Ilya V. Vikhrev; Figs. 3–4. Localization of live B. kasmiana specimens on foot (3) and mantle (4) of Sinanodonta sp., Gladkaja River (specimen no. 1). Numerous small black inclusions are parasitic mites (Acari: Unionicolidae). Scale bars: 5 mm. Photos: Ilya V. Vikhrev; Fig. 5. Morphological variability of adult B. kasmiana specimens from Margaritifera dahurica, Komarovka River (d—dorsal view, v—ventral view). Scale bar: 2 mm. Photos: Olga V. Aksenova; Fig. 6. Eyes of adult B. kasmiana specimens (dorsal view), Primorsky Krai, Russian Far East. Scale bar: 0.5 mm. Photos: Olga V. Aksenova.
FIGURE 1 in Molecular Characterization of Glossiphonia elegans (Verrill, 1872) (Glossiphoniidae: Hirudinida) from its type locality, West River, New Haven County, Connecticut, USA
FIGURE 1. Neighbor joining tree of Glossiphonia spp. based on combined data from CO-I and ND-1 sequence data. Bootstrap values above 60 are labeled at internodes.
FIG. 2 in Toward a taxonomic revision of the medicinal leech Hirudo medicinalis Linnaeus, 1758 (Hirudinea: Hirudinidae): re-description of Hirudo troctina Johnson, 1816 from North Africa
FIG. 2. Comparison of male and female reproductive systems of Hirudo troctina from North Africa (left) [Dissection 27Z] and Hirudo medicinalis from western Turkey (right) [Dissection 28Z]. Dorsal view. Inset (left): left lateral view of vagina [Dissection 27Z]. Inset (right): left lateral view of vagina of Dissection 29Z (a more typical vaginal morphology for this species than Dissection 27Z). co, common oviduct; e, epididymis; eb, ejaculatory bulb; ed, ejaculatory duct; o, oviduct; os, ovisac; ps, penis sheath; pt, prostate; ts, testisac; v, vagina; vc, vaginal caecum; vd, vas deferens. Roman numerals indicate the location of respective somatic ganglia to assist in establishing the location of the reproductive organs. Scale bar: 1 mm.
FIG. 1 in Toward a taxonomic revision of the medicinal leech Hirudo medicinalis Linnaeus, 1758 (Hirudinea: Hirudinidae): re-description of Hirudo troctina Johnson, 1816 from North Africa
FIG. 1. Comparison of the foreguts of Hirudo troctina (left) [Dissection 30Z, neotype] and Hirudo medicinalis (right) [Dissection 35Z]. Ventral view. j, jaw; p, salivary papillae; s, sulcus; t, teeth. Scale bar: 1 mm.
Figure 3 in Estimating population density of the medicinal leech Hirudo orientalis Utevsky and Trontelj, 2005 (Clitellata: Hirudinida) using Visible Implant Elastomer tags
Figure 3. The medicinal leech after the injection. The tag in the dorsal surface of leech is shining under the ultraviolet light.
Figure 4 from: Jeratthitikul E, Jiranuntskul P, Nakano T, Sutcharit C, Panha S (2020) A new species of buffalo leech in the genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from Thailand. ZooKeys 933: 1-14. https://doi.org/10.3897/zookeys.933.49314
Figure 4 Phylogenetic analysis of Hirudinaria species and related taxa A bayesian inference tree based on 2533 bp alignment dataset of nuclear 28S rRNA and mitochondrial COI genes. Numbers at nodes indicate bootstrap values from maximum likelihood (ML) and bpp from Bayesian inference analysis (BI). Nodes with black circles are sufficiently supported by both BI and ML, while nodes with grey circles are supported only by MLB map showing the sampling locations for the specimens used for DNA sequence analysis.
Figure 3 from: Jeratthitikul E, Jiranuntskul P, Nakano T, Sutcharit C, Panha S (2020) A new species of buffalo leech in the genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from Thailand. ZooKeys 933: 1-14. https://doi.org/10.3897/zookeys.933.49314
Figure 3 Illustration of reproductive system of the holotype of Hirudinaria thailandica sp. nov. A dorsal view of male and female reproductive organs including positions of ganglia XII and XIII of the ventral nervous system. Lateral views of B male and C female reproductive organs. Scale bar: 2 mm. Abbreviations: atr, male atrium; cod, common oviduct; ej, ejaculatory bulb; ep, epididymis; fg, female gonopore; mg, male gonopore; ov, ovary; ps, penis sheath; ts, testisac. vas, vas deferens; vc, vaginal caecum; and vg, vagina.
Figure 2 from: Jeratthitikul E, Jiranuntskul P, Nakano T, Sutcharit C, Panha S (2020) A new species of buffalo leech in the genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from Thailand. ZooKeys 933: 1-14. https://doi.org/10.3897/zookeys.933.49314
Figure 2 External morphology of the holotype of Hirudinaria thailandica sp. nov. in preserved state A dorsal and B ventral views of the whole body C dorsal views of somites XIX–XXIII D ventral views of somites X–XV E dorsal and F ventral views of somites I–VIII G dorsal and H ventral views of somites XXIV–XXVII and caudal sucker. Abbreviations: an, anus; fg, female gonopore; mg, male gonopore; np, nephridiopores; and ss, sensillae. Scale bar: 10 mm (A, B), 5 mm (C–H).
Figure 1 from: Jeratthitikul E, Jiranuntskul P, Nakano T, Sutcharit C, Panha S (2020) A new species of buffalo leech in the genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from Thailand. ZooKeys 933: 1-14. https://doi.org/10.3897/zookeys.933.49314
Figure 1 Live specimens of Hirudinaria species A dorsal and B ventral views of H. manillensis from Sakon Nakhon Province C dorsal and D ventral views of H. bpling from Satun Province E dorsal and F ventral views of H. thailandica sp. nov. MUMNH-HIR008-28 (holotype) from Chai Nat Province. Scale bar: 10 mm.
FIGURE 3 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 3. External morphology of Helobdella melananus n.sp. The scale indicates 1 mm.
FIGURE 5 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 5. External morphology of Helobdella europaea. The scale indicates 1 mm.
FIGURE 17 in Five new records and an annotated checklist of the leeches (Annelida: Hirudinida) of Iran
FIGURE 17. Placobdella costata Drosal view (a) and ventral view of the body with hatchlings (b).
Fig. 2 in A New Quadrannulate Species of Orobdella (Hirudinida: Arhynchobdellida: Orobdellidae) from Pingtung, Taiwan
Fig. 2. Orobdella meisai sp. nov., holotype, KUZ Z1917. A, dorsal view; B, ventral view; C, dorsal view of live animal. Scale bars: 5 mm.
Fig. 4 in A New Quadrannulate Species of Orobdella (Hirudinida: Arhynchobdellida: Orobdellidae) from Pingtung, Taiwan
Fig. 4. Orobdella meisai sp. nov., holotype, KUZ Z1917. A, ventral view of gastroporal duct; B, dorsal view of reproductive system including ventral nervous system; C, dorsal view of male atrium including position of ganglion XI; D, dorsal view of female reproductive system including position of ganglion XIII. Scale bars: 1 mm (A); 2 mm (B); 0.25 mm (C); 0.5 mm (D). Abbreviations: at, atrium; cod, common oviduct; cp, crop; ed, ejaculatory duct; gd, gastroporal duct; od, oviduct; ov, ovisac; ph, pharynx; ts, testisac; vd, vas deference.
Fig. 4. Mimobdella japonica Blanchard, 1897 from Okinawajima, KUZ Z229. A in First Record of Mimobdella japonica (Hirudinida: Arhynchobdellida: Salifidae) from Okinawajima Island, Ryukyu Islands, Japan, with a Description of the Specimens from the Ryukyu Islands
Fig. 4. Mimobdella japonica Blanchard, 1897 from Okinawajima, KUZ Z229. A, dorsal view of somites I–VIII; B, ventral view of somites I– VIII; C, dorsal view of somites XXIV–XXVII and caudal sucker; D, ventral view of somites XXIV–XXVII and caudal sucker; E, ventral view of somites X–XIII; F, ventral view of post-crop caeca; G, dorsal view of male atrium showing positions of ganglia XI and XII. Abbreviations: ac, atrial cornu; an, anus; cl, clitellum; cp, crop; cs, caudal sucker; fp, female gonopore; in, intestine; mp, male gonopore; np, nephridiopore; pcc, post-crop caecum.
Figure 5 from: Richardson DJ, Moser WE, Hammond CI, Lazo-Wasem EA, McAllister CT, Pulis EE (2017) A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligator mississippiensis) in Mississippi, USA. ZooKeys 667: 39-49. https://doi.org/10.3897/zookeys.667.10680
Figure 5 - Dorsal surface, anal region, (note lack of papillae between anus and commencement of prominent paramedial papillae) of A Placobdella papillifera (YPM 083792) B Placobdella siddalli Richardson & Moser (YPM 083857). Scale bars: 1 mm.
Figure 4 from: Richardson DJ, Moser WE, Hammond CI, Lazo-Wasem EA, McAllister CT, Pulis EE (2017) A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligator mississippiensis) in Mississippi, USA. ZooKeys 667: 39-49. https://doi.org/10.3897/zookeys.667.10680
Figure 4 - Dorsal surface, anal region. Medial row of small but distinct papillae (indicated by arrows) lying between the anus and commencement of prominent paramedial papillae, on A Placobdella rugosa (YPM 083787) B Placobdella ornata, syntype (YPM 000256) C Placobdella ali (YPM 058254) D Placobdella multilineata (YPM 083782). Scale bars: 3 mm (A), 1 mm (B), 4 mm (C), 2 mm (D).
Figure 1 from: Richardson DJ, Moser WE, Hammond CI, Lazo-Wasem EA, McAllister CT, Pulis EE (2017) A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligator mississippiensis) in Mississippi, USA. ZooKeys 667: 39-49. https://doi.org/10.3897/zookeys.667.10680
Figure 1 - Holotype specimen of Placobdella siddalli Richardson & Moser, YPM 083857 A Dorsal surface B Ventral surface. Scale bar: 2 mm.
Figure 3 from: Richardson DJ, Moser WE, Hammond CI, Lazo-Wasem EA, McAllister CT, Pulis EE (2017) A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligator mississippiensis) in Mississippi, USA. ZooKeys 667: 39-49. https://doi.org/10.3897/zookeys.667.10680
Figure 3 - Paratype specimen of Placobdella siddalli Richardson & Moser, YPM 083876 mounted in Canada balsam, crop ceca (CC), anterior salivary gland (A), posterior salivary gland (P), proboscis (Pr). Scale bar: 2 mm.
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