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33 results for “Freshwater leeches”
FIGURE 2. Helobdella atli n in A new freshwater leech species of Helobdella (Annelida: Glossiphoniidae) from central Mexico
FIGURE 2. Helobdella atli n. sp. from Totolcingo, Tlaxcala, Mexico. Ventral view of the holotype
FIGURE 1. Helobdella atli n in A new freshwater leech species of Helobdella (Annelida: Glossiphoniidae) from central Mexico
FIGURE 1. Helobdella atli n. sp. from Totolcingo, Tlaxcala, Mexico. Dorsal view of the holotype.
Figure 1 from: Klass AL, Sokolova SE, Kondakov AV, Bespalaya YV, Gofarov MY, Tomilova AA, Vikhrev IV, Bolotov IN (2018) An example of a possible leech-bryozoan association in freshwater. ZooKeys 794: 23-30. https://doi.org/10.3897/zookeys.794.28088
Figure 1 Map of Lena River basin, Eastern Siberia, with occurrence of the leech-bryozoan association in a floodplain lake (red dot).
Figure 2 from: Klass AL, Sokolova SE, Kondakov AV, Bespalaya YV, Gofarov MY, Tomilova AA, Vikhrev IV, Bolotov IN (2018) An example of a possible leech-bryozoan association in freshwater. ZooKeys 794: 23-30. https://doi.org/10.3897/zookeys.794.28088
Figure 2 Leech-bryozoan association from a floodplain lake in Lena River basin, Yakutia, Eastern Siberia, Russia. A Leeches Alboglossiphoniacf.papillosa in interstitial spaces between zooids of a Plumatellaaff.fungosa colony (ethanol-preserved sample). The red arrows indicate leech specimens. B Size frequency histogram of the leech sample (N = 25). C Dorsal and D Ventral view of adult leech. Photographs Svetlana E. Sokolova. Scale bars: 5 mm (A); 1 mm (C, D).
Figure 1 in A new freshwater leech genus from Southeast Asia (Hirudinea: Glossiphoniidae)
Figure 1. Maximum likelihood phylogeny of the Glossiphoniidae based on the combined COI and 18S rRNA gene fragments. The red and violet diamonds indicate the type species of the genera Placobdelloides Sawyer, 1986 and Orientobdelloides gen. nov., respectively. The black numbers near nodes are bootstrap support values of IQ-TREE v. 1.6.12. The scale bar indicates the branch lengths (substitutions per site).
Figure 8 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 8 - Phylogenetic relationships of the genus Hirudinaria and their related species, with chromosome number data. Tree topology was obtained from ML analysis based on a 658 bp fragment of the mitochondrial COI gene (DNA barcode region). Nodes with a 0.95 or higher bipartition posterior probability for BI and/or 70% or higher bootstrap value for ML were regarded as sufficiently resolved nodes, and are shown for the major clades (ML/BI). Numbers in parentheses refer to sampling localities in Figure 1 and the list in Table 1. Chromosome data of the related species were taken from Vitturi et al. (2002) and Utevsky et al. (2009).
Figure 3 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 3 - The dorsal and ventral sides of A Hirudinaria javanica CUMZ 3404 from Nakhon Phanom B Hirudinaria manillensis CUMZ 3403 from Nakhon Phanom, and C Hirudinaria sp. CUMZ 3406 from Nakhon Phanom.
Figure 2 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 2 - The color pattern of A Hirudinaria javanica CUMZ 3424 from Mukdahan B Hirudinaria manillensis CUMZ 3403 from Nakhon Phanom, and C Hirudinaria sp. CUMZ 3405 from Nakhon Phanom.
Figure 6 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 6 - Meiotic and mitotic metaphase chromosome spreads of A, B Hirudinaria javanica (n = 13, 2n = 26) CUMZ 3424 from Mukdahan C, D Hirudinaria manillensis (n = 12, 2n = 24) CUMZ 3407 from Mahasarakham, and E, F Hirudinaria sp. (n = 14, 2n = 28) CUMZ 3406 from Nakhon Phanom.
Figure 1 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 1 - Map showing the locality of the sampling sites (collection of specimens from the genus Hirudinaria) in northeastern Thailand. Further details of sample numbers and locations are given in Table 1.
Figure 4 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 4 - Illustrations of the reproductive system of A Hirudinaria javanica CUMZ 3404 from Nakhon Phanom, B Hirudinaria manillensis CUMZ 3403 from Nakhon Phanom, and C Hirudinaria sp. CUMZ 3405 from Nakhon Phanom. Abbreviations are: ag = albumin gland, at = atrium, cod = common oviduct, eb = ejaculatory bulb, ep = epididymis, g = ganglion, o = ovary, ps = penis sheath, vas = vas deferens, vc = vagina sac, vd = vagina duct.
Figure 5 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 5 - SEM images of the jaws of A–C Hirudinaria javanica CUMZ 3404 from Nakhon Phanom D–F Hirudinaria manillensis CUMZ 3403 from Nakhon Phanom, and G–I Hirudinaria sp. CUMZ 3405 from Nakhon Phanom. (A, D, G) overall jaw, (B, E, H) each jaw characteristic, and (C, F, I) salivary papillae.
Figure 7 from: Tubtimon J, Jeratthitikul E, Sutcharit C, Kongim B, Panha S (2014) Systematics of the freshwater leech genus Hirudinaria Whitman, 1886 (Arhynchobdellida, Hirudinidae) from northeastern Thailand. ZooKeys 452: 15-33. https://doi.org/10.3897/zookeys.452.7528
Figure 7 - Karyotypes of A Hirudinaria javanica B Hirudinaria manillensis, and C Hirudinaria sp.
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