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31 results for “Pithemera”
Figure 2 in New Polypheretima and Pithemera (Oligochaeta: Megascolecidae) species from the Mt. Malindang Range, Mindanao Island, Philippines
Figure 2. Schematic drawings of the external anterio-ventral area of (A) Polypheretima mindanaoensis sp. nov., (B) Pithemera malindangensis sp. nov., (C) Pithemera duminagati sp. nov. and (D) Pithemera donvictorianoi sp. nov. Abbreviations: fp, female pore; cl, clitellum; mp, male pore; gm, genital markings. Scale bars: 5 mm.
Fig. 5 in NeW species OF Pheretima, Amynthas, Polypheretima, and Pithemera (Clitellata: MegascOlecidae) FrOm MindanaO and assOciated islands, Philippines
Fig. 5. Schematic views of the internal and external morphology of the Polypheretima and Pithemera species described here. (A, B) Polypheretima bukidnonensis; (A) dorsal view of internal morphology; (B) external ventral view; (C, D) Polypheretima zamboangensis n. sp.; (C) dorsal view of internal morphology; (D) external ventral view; (E) Pithemera nolani n. sp., dorsal view of internal morphology, with prostates in xv-xix. Abbreviations: s, spermatheca; h, heart; p, prostate gland; cb, copulatory bursa; c, caecum; spbp, spermathecal batteries pores; cl, clitellum, mp, male pores, gm, genital markings. Scale bars: A-E, 5 mm.
Fig. 3 in NeW species OF Pheretima, Amynthas, Polypheretima, and Pithemera (Clitellata: MegascOlecidae) FrOm MindanaO and assOciated islands, Philippines
Fig. 3. Schematic dorsal views of the internal morphology of other Pheretima species described here. (A) P. timpoongensis n. sp., with intestinal origin in xv, and caeca extending from xxvii-xxiv; (B) P. camiguinensis n. sp., with prostates in xvii-xxi, and caeca extending from xxvii-xxi; (C) P. sibucalensis n. sp.; (D) P. apoensis n. sp. with spermathecae; (E) P. (Paraph.) pandanensis n. sp.; (F) P. (Paraph.) boaensis n. sp., with intestinal origin in xiv, prostates in xvii-xix, and caeca extending from xxvii-xxiii. Abbreviations: s, spermatheca; h, heart; p, prostate gland; cb, copulatory bursa; c, caecum. Scale bars: A-F, 5 mm.
Fig. 4 in NeW species OF Pheretima, Amynthas, Polypheretima, and Pithemera (Clitellata: MegascOlecidae) FrOm MindanaO and assOciated islands, Philippines
Fig. 4. Schematic dorsal views of the internal morphology of the three Amynthas species described here. (A) A. dinagatensis n. sp.; (B) A. cagdianaoensis n. sp.; (C) A. talaandigensis n. sp. Scale bars: A-C: 5 mm. (D) Schematic ventral view of polythecal A. talaandigensis n. sp., showing the intersegmental spermathecal pores (sp). Abbreviations: s, spermatheca; h, heart; p, prostate gland; c, caecum; sp, spermathecal pores.
Fig. 2 in NeW species OF Pheretima, Amynthas, Polypheretima, and Pithemera (Clitellata: MegascOlecidae) FrOm MindanaO and assOciated islands, Philippines
Fig. 2. Schematic dorsal views of the internal morphology of the Pheretima urceolata group species described here. (A) P. acia n. sp.; (B) P. dinagatensis n. sp.; (C) P. enormis n. sp.; (D) P. hamiguitanensis n. sp., with the intestinal origin in xv and prostates in xvii-xx; (E) P. lantapanensis n. sp. Abbreviations: s, spermatheca; h, heart; p, prostate gland; cb, copulatory bursa; c, caecum. Scale bars: A, B, D, E, 5 mm; C, 15 mm.
Fig. 1 in NeW species OF Pheretima, Amynthas, Polypheretima, and Pithemera (Clitellata: MegascOlecidae) FrOm MindanaO and assOciated islands, Philippines
Fig. 1. Map of Mindanao and associated islands. Black circles indicate collecting sites; dashed lines indicate the boundaries among three arc systems and the Zamboanga Peninsula, which coalesced between the Early Miocene and late Pliocene (20-1 Ma).
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.
FIGURE 18 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 18. Metaphire hilgendorfi. (A, B) Right male pore region and the associated genital markings, showing presence of a male pore only on one side and absence on the other (USNM 1421430). (C) Left male pore region with an everted copulatory pouch. (D) Right spermathecal pores in 6/7/8 and pre-setal genital markings on VIII and IX; ventrolateral view. (E) Pre-setal genital markings mid-ventral on VIII and IX. (F) Left spermatheca and accessory glands in VIII. (G) Left prostate gland and its duct (arrow). (H) Right intestinal caecum. C, E–H from one specimen in USNM 125091; D from another specimen in USNM 125091.
FIGURE 20 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 20. Metaphire posthuma. (A) Both male pore regions and the associated genital markings on XVII and XIX. (B) Right spermathecae in VI and VII. (C) Left prostate gland and its duct (arrow). (D) Left intestinal caecum. All from USNM 125139.
FIGURE 16 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 16. Amynthas tokioensis. (A) Right male pore and the associated genital marking (arrow). (B) Single spermathecal pore in 7/8 on the lower right (arrow), compared to its absence in 6/7 on the right and in 6/7/8 on the left; ventral view. (C) Left spermatheca in VIII. (D) Right prostate gland. (E) Right intestinal caecum. All photos from USNM 125070, three different specimens: A, specimen 1; B, C, specimen 2; D, E, specimen 3.
FIGURE 15 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 15. Amynthas rodericensis. (A) Both male pores (arrows) and the associated genital markings, showing two on each side. (B) Right male pore (arrow) with only the post-setal genital marking. (C) Right male pore with no genital marking. A–C all from USNM 125143, different specimens. (D) Paired dorsal spermathecal pores in 5/6/7/8/9 (arrows); dorsal view. The relatively light-colored pores can usually be easily seen due to the relatively dark dorsal pigmentation (USNM 125161). (E) Left spermathecae in VII–IX. (F) Left prostate gland and its duct (arrow). (G) Left intestinal caecum. E–G from the same specimen in USNM 125143.
FIGURE 17 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 17. Metaphire californica. (A, B) Right and left male pore regions from two different specimens (USNM 124785). (C) Left male pore region with the copulatory pouch everted. (D) Left spermathecae in VIII and IX. (E) Right prostate gland and its duct (arrow). (F) Right intestinal caecum. C–F from USNM 124784.
FIGURE 14 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 14. Amynthas morrisi. (A–E) Male pore regions with various numbers and positions of post-clitellar genital markings (USNM 125113, 125117, 45979, 125115, 26388). (F–H) Pre-clitellar genital markings (USNM 125117, 125113, 123116); ventral view. (I) Right spermathecae in VI and VII. (J) Left prostate gland and its duct (arrow). (K) Left intestinal caecum. I–K from USNM 125114.
FIGURE 13 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 13. Amynthas minimus. (A) Both male pore regions. (B) Sizes compared to a one cent coin (19.05 mm diameter). USNM 125106.
FIGURE 12 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 12. Amynthas loveridgei. (A) Left male pore and the associated genital markings, showing four papillae and the primary male pore (arrow) at the middle (USNM 125056). (B) Right male pore and the associated genital markings, showing three papillae and the primary male pore (arrow) at the middle (USNM 125056, a different specimen from that in A). (C) Left male pore and the associated genital markings. The primary male pore (arrow) can barely be seen at the middle of three papillae. (D) Two sets of genital markings associated with the two left spermathecal pores (not seen); ventrolateral view. (E) Right spermathecae in VI and VII. (F) Left prostate gland and its duct (arrow). (G) Left intestinal caecum. C–G from one of the syntypes (USNM 136910).
FIGURE 11 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 11. Amynthas hupeiensis. (A) Right male pores (arrow) and the associated genital markings. (B) Right spermathecae in VII–IX. (C) Left prostate gland and its duct (arrow). (D) Left intestinal caecum. All from USNM 125079.
FIGURE 7 in Asian pheretimoid earthworms in North America north of Mexico: An illustrated key to the genera Amynthas, Metaphire, Pithemera, and Polypheretima (Clitellata: Megascolecidae)
FIGURE 7. Amynthas agrestis. (A) Right male pore region and the associated genital marking (arrow) (USNM 1421431). (B, C) Wrinkled surface on VII and VIII (USNM 124771; ventrolateral view and 1421431; ventral view). (D) Spermathecal pores in 5/6/7/8 (arrows) (USNM 124772; lateral view). (E) Left spermatheca in VIII (USNM 124777). (F) Left prostate gland and its duct (arrow) (USNM 1421431). (G) Left intestinal caecum (USNM 124777).
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