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8 results for “Lophochaeta”
FIGURE 9 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 9. Lophochaeta ignota Štolc, 1886. A to D: consecutive histological sections of the male duct, showing opposite junctions of prostate gland and vas deferens to the atrial ampulla; E: other histological section of the male duct; F: spermatheca. Abbreviations: a: atrium, aa: atrial ampulla, cps: cuticular penial sheath, jpg: junction of the prostate gland, pg: prostate gland, ps: penial sac, sa: spermathecal ampulla, sd: spermathecal duct, sf: sperm funnel, vd: vas deferens. Scale bars: 100 µm.
FIGURE 8 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 8. Lophochaeta ignota Štolc, 1886. A: general diagram of the male duct. X and XI: segment number; B: detail of the penial sac; C: male duct of incompletely mature specimen. Abbreviations: a: atrium, aa: atrial ampulla, cps: cuticular penial sheath, jpg: junction of the prostate gland, mp: male pore, ms: muscular strands, p: penis, pg: prostate gland, ps: penial sac, vd: vas deferens.
FIGURE 6 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 6. Isochaetides freyi (Brinkhurst, 1965). A: histological section of the atrium; B: penial sac with penis lined by cuticle; C: ventral fold of the body wall, where the spermathecal duct opens; D: spermatheca. Abbreviations: a: atrium, c: chaetophore, cps: cuticular penial sheath, p: penis, pg: prostate gland, sa: spermathecal ampulla, sch: spermathecal chaeta, sd: spermathecal duct, vd: vas deferens, vf: ventral fold of the body wall. Scale bars: 100 µm.
FIGURE 7 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 7. Lophochaeta ignota Štolc, 1986. A and B: dorsal pectinate and barbed hair chaetae in preclitellar segments (arrows pointing to barbs); C: anterior ventral chaeta; D: posterior ventral chaeta; E: anterior part of the body, arrow pointing to the glands on the pharynx, in segment III; F: commissural blood vessels in several consecutive segments of the anterior part of the body (see arrow heads); G and H: general view of specimens from Estonian (G) and Russian (H) populations, arrows pointing to anterior and posterior hair chaetae. Scale bars: E–F: 100 µm, G and H: 2 mm.
FIGURE 4. Isochaetides gianii n in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 4. Isochaetides gianii n. sp. A: commissural blood vessels in body segments V and VI; B: anterior end of the body, arrow pointing to the glands on the pharynx, in segment III; C: sudden transition to the intestine, from segments VII to VIII; D: spermatheca; E: detail of spermatheca in a histological section; F: penial sac with penis; G: cross histological section of penial sac; H: longitudinal histological section of penial sac. Abbreviations: ag: accessory gland, cps: cuticular penial sheath, i: intestine, p: penis, rf: ring fold of the penial sac, sa: spermathecal ampulla, sch: spermathecal chaeta, sd: spermathecal duct, sz: spermatozeugmata, vf: ventral fold of the spermatheca. Scale bars: A–D 100 µm, E–H: 50 µm.
FIGURE 5. Isochaetides gianii n in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 5. Isochaetides gianii n. sp. General diagram of the reproductive organs. X and XI: segment number. Abbreviations: a: atrium, ag: accessory gland, cps: cuticular penial sheath, o: ovary, pg: prostate gland, ps: penial sac, sa: spermathecal ampulla, sch: spermathecal chaeta, sd: spermathecal duct, sg: chaetal gland, t: testis, vd: vas deferens, vf: ventral fold of the body wall.
FIGURE 2. Gianius navarroi n in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 2. Gianius navarroi n. sp. A: general diagram of the reproductive organs of the species, X and XI: segment number; B: free-hand drawing of somatic chaeta. Abbreviations: a: atrium, mp: male pore, o: ovary, pc: penial chaetae, pgI and pgII: prostate glands I and II, sf: sperm funnel, sa: spermathecal ampulla, sd: spemathecal duct, ss: sperm sacs, t: testis, vd: vas deferens.
FIGURE 3. Isochaetides gianii n in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 3. Isochaetides gianii n. sp. Somatic chaetae (A–D: free-hand drawings at the same scale). A: anterior ventral; B: posterior ventral; C: anterior pectinate dorsal; D: posterior dorsal; E: anterior bundle of pectinate and hair chaetae; F: spermathecal chaeta. Scale bars: E and F: 25 µm.
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