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184 results for “Amynthas”
FIGURE 3 in Four new earthworm species and subspecies belonging to genus Amynthas and Metaphire (Oligochaeta: Megascolecidae) from Hainan Island, China
FIGURE 3. Metaphire wuzhimontis sp. nov. A. Ventral body surface with spermathecal pores. B. Spermatheca. C. Ven t ral body surface with male pores. D. Intestinal caeca.
FIGURE 8 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 8. Neighbor-joining tree of Drawida based on COI gene and Kimura's two-parameter model, and rooted using Amynthas corticis. Specimens from this study are shown by their voucher numbers (MTS). Sequences retrieved from GenBank are labelled with GenBank accession numbers followed by the specific epithets in parentheses. Sequences acquired from Blakemore et al. (2014) are labelled with the original sample IDs followed by the specific epithets (in parentheses) given in Blakemore et al. (2014). Type material is indicated. Numbers around nodes are bootstrap values above 50.
FIGURE 6. Drawida koreana Kobayashi, 1938 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 6. Drawida koreana Kobayashi, 1938; specimen MTS 45. A. Ventral view of spermathecal and male pore region (gp, genital papilla; sp, spermathecal pore; mp, male porophore). B. Dorsal view of left spermatheca (amp, ampulla; sa, spermathecal atrium), right testis sac (ts), sperm duct (sd), male atrium (ma), and accessory gland (ag). Scale bars = 1 mm.
FIGURE 7. Drawida koreana Kobayashi, 1938 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 7. Drawida koreana Kobayashi, 1938; specimen MTS 87. A. Ventral view of spermathecal and male pore region (gp, genital papilla; sp, spermathecal pore; mp, male porophore). B. Dorsal view of left spermatheca (amp, ampulla; sa, spermathecal atrium), testis sac (ts), sperm duct (sd), male atrium (ma), and accessory gland (ag). Scale bars = 1 mm.
FIGURE 5 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 5. Drawida dongyinica sp. nov. Holotype (TESRI-O-H-46). A. Ventral view of spermathecal and male pore region (sp, spermathecal pore; mp, male porophore). B. Dorsal view of left spermatheca (amp, ampulla; sa, spermathecal atrium), testis sac (ts), sperm duct (sd), and male atrium (ma). Scale bars = 1 mm.
FIGURE 3 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 3. Neighbor-joining tree of representatives of Amynthas polyglandularis from Taiwan, Amynthas nanganensis nanganensis, Amynthas nanganensis beiganensis and other native Amynthas species from Matsu and Kinmen based on COI gene and Kimura's two-parameter model, and rooted using Amynthas corticis. Specimens from this study and sequences retrieved from GenBank are shown by their voucher numbers and GenBank accession numbers, respectively. Numbers around nodes are bootstrap values above 50.
FIGURE 4 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 4. Drawida beiganica sp. nov. Holotype (TESRI-O-H-45). A. Ventral view of spermathecal and male pore region (one penis is shown everted and the other one is retracted) (sp, spermathecal pore; mp, male porophore). B. Dorsal view of right testis sac (ts), sperm duct (sd) and male atrium (ma). C. Dorsal view of left spermatheca (amp, ampulla; sa, spermathecal atrium). Scale bars = 1 mm.
FIGURE 2 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 2. Amynthas nanganensis beiganensis ssp. nov. Holotype (TESRI-O-H-44). A. Right-lateral view of right spermathecal pore region (gp, genital papilla; sp, spermathecal pore). B. Ventral view of segment IX. C. Ventral view of male pore region. D. Dorsal view of right spermathecae (shaded area) (amp, ampulla; dv, diverticulum; ag, accessory gland). E. Dorsal view of left prostate gland. Scale bars = 1 mm.
FIGURE 1 in Earthworms from Matsu, Taiwan with descriptions of new species of the genera Amynthas (Oligochaeta: Megascolecidae) and Drawida (Oligochaeta: Moniligastridae)
FIGURE 1. Amynthas nanganensis nanganensis sp. nov. et ssp. nov. Holotype (TESRI-O-H-43). A. Right-lateral view of right spermathecal pore region (gp, genital papilla; sp, spermathecal pore). B. Ventral view of male pore region (mp, male porophore). C. Dorsal view of right spermathecae (shaded area) (amp, ampulla; dv, diverticulum; ag, accessory gland). D. Dorsal view of right prostate gland (pd, prostatic duct). Scale bars = 1 mm.
FIGURE 1 in First report of Amynthas carnosus (Goto & Hatai, 1899) (Oligochaeta: Megascolecidae) in the Western Hemisphere
FIGURE 1. Diagram of pores and genital markings in a ventral view of A) Amynthas corticis, B) A. carnosus, and C) A. gracilis. ♂ = male pores, ♀ = female pores, ⚥ = spermathecal pores.
Figure 6 in Four new earthworm species of the genus Amynthas (Megascolecidae: Oligochaeta) from southwestern Taiwan with re-description of Amynthas tungpuensis Tsai, Shen and Tsai, 1999
Figure 6. Amynthas tungpuensis Tsai, Shen and Tsai, 1999. (a) Ventral view of spermathecal pore region of a 77-mm clitellate (coll. no. 2013–4) (voucher number: TP20) (gp, genital papilla; sp, spermathecal pore). (b) Ventral view of spermathecal pore region of a 76-mm clitellate (coll. no.
Figure 5 in Four new earthworm species of the genus Amynthas (Megascolecidae: Oligochaeta) from southwestern Taiwan with re-description of Amynthas tungpuensis Tsai, Shen and Tsai, 1999
Figure 5. Amynthas dinghuensis sp. nov. Holotype (TESRI-O-H-50) (voucher number: Ali032). (a) Ventral view of spermathecal pore region (gp, genital papilla; sp, spermathecal porophore). (b) Ventral view of male pore region (mp, male porophore). (c) Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum; ag, accessory gland). (d) Dorsal view of right prostate gland (pd, prostatic duct). Scale bar 1 mm.
Figure 2 in Four new earthworm species of the genus Amynthas (Megascolecidae: Oligochaeta) from southwestern Taiwan with re-description of Amynthas tungpuensis Tsai, Shen and Tsai, 1999
Figure 2. Amynthas quadriorbis sp. nov. Holotype (TESRI-O-H-47) (voucher number: WH3P1). (a) Ventral view of male pore region (gp, genital papilla; mp, male porophore). (b) Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum). (c) Dorsal view of right prostate gland (pd, prostatic duct). Scale bar 1 mm.
Figure 4 in Four new earthworm species of the genus Amynthas (Megascolecidae: Oligochaeta) from southwestern Taiwan with re-description of Amynthas tungpuensis Tsai, Shen and Tsai, 1999
Figure 4. Amynthas tsou sp. nov. (a) Ventral view of spermathecal pore region of holotype (TESRI-O- H-49) (voucher number: Ali005) (gp, genital papilla; sp, spermathecal porophore). (b) Ventral view of male pore region of holotype (mp, male porophore). (c) Ventral view of male pore region of a 61- mm paratype (TESRI-O-P-44) (voucher number: Ali003). (d) Ventral view of male pore region of a 57- mm clitellate (coll. no. 2013–9) (voucher number: Ali026). (e) Dorsal view of right spermathecae of holotype (amp, ampulla; dv, diverticulum; ag, accessory gland). (f) Dorsal view of left prostate gland of holotype (pd, prostatic duct). (g) Dorsal view of right prostate gland of holotype. Scale bar 1 mm.
Figure 3 in Four new earthworm species of the genus Amynthas (Megascolecidae: Oligochaeta) from southwestern Taiwan with re-description of Amynthas tungpuensis Tsai, Shen and Tsai, 1999
Figure 3. Amynthas douliouensis sp. nov. Holotype (TESRI-O-H-48) (voucher number: WH3P12). (a) Ventral view of spermathecal pore region (gp, genital papilla; sp, spermathecal porophore). (b) Ventral view of male pore region (mp, male porophore). (c) Dorsal view of right spermathecae (amp, ampulla; dv, diverticulum; ag, accessory gland). (d) Dorsal view of right prostate gland (pd, prostatic duct). Scale bar 1 mm.
Figure 1 in Four new earthworm species of the genus Amynthas (Megascolecidae: Oligochaeta) from southwestern Taiwan with re-description of Amynthas tungpuensis Tsai, Shen and Tsai, 1999
Figure 1. Neighbour-joining tree of representatives of Amynthas mutabilitas, Amynthas tungpuensis and the four new species based on the cytochrome c oxidase subunit I (COI) gene and Kimura's twoparameter model and rooted using Amynthas polyglandularis. Specimens from this study and sequences retrieved from GenBank are shown by their voucher numbers and GenBank accession numbers, respectively. Numbers around nodes are bootstrap values. For A. tungpuensis, numbers of spermathecae are in parentheses.
FIGURE 22 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 22. Polypheretima elongata. (A, B) Male pore regions and post-clitellar genital markings (two specimens from USNM 124962). (C) Left male pore region (USNM 124961). (D) Left prostate gland and its duct (arrow) (USNM 124962).
FIGURE 21 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 21. Pithemera bicincta. (A, B) Male pore regions and the associated genital markings of two specimens (USNM 124780 and 124781). (C) Two female pores in XIV (arrows); note the lighter color surrounding the female pores compared to that of the clitellum in the background. (D) Left spermathecae in V and VI. (E) Right prostate gland and its duct (arrow). (F) Right intestinal caecum in XXII, as opposed to in XXVII as in Amynthas and Metaphire. C–F from USNM 124780.
FIGURE 23 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 23. External (left, ventral view) and internal (right, dorsal view) morphology of a pheretimoid earthworm.
FIGURE 19 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 19. Metaphire houlleti. (A) Right male pore region (USNM 27574). (B) Right male pore region with an everted copulatory pouch. (C) Left spermathecae in VII–IX. (D) Left prostate gland and its duct (arrow). (E) Left intestinal caecum. B– E from USNM 125080.
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