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44 results for “Benedenia”
FIGURE 3. Benedenia fieldsi n in Three new species of Benedenia Diesing, 1858 from the Great Barrier Reef, Australia with a key to species of the genus
FIGURE 3. Benedenia fieldsi n. sp. A. Adult specimen, ventral view. Composite drawing from type material and living specimens. Abbreviations as in previous Figures. B. Accessory sclerite. C. Anterior hamulus. D. Posterior hamulus. Drawn from paratypes. Scale bars: A, 300 Μm; B–D, 25 Μm.
FIGURE 2. Benedenia ernsti n in Three new species of Benedenia Diesing, 1858 from the Great Barrier Reef, Australia with a key to species of the genus
FIGURE 2. Benedenia ernsti n. sp. Reproductive system of adult, ventral view. Abbreviations: da, duct of the accessory gland reservoir; G, glands of Goto; sv, seminal vesicle; vd, vas deferens. Other abbreviations as in previous Figure. Scale bar, 250 Μm.
FIGURE 7. Benedenia ishikawae. A in Three new species of Benedenia Diesing, 1858 from the Great Barrier Reef, Australia with a key to species of the genus
FIGURE 7. Benedenia ishikawae. A. Ventral view of entire adult specimen. Re-drawn from Goto (1894). Abbreviations: hd, hood. B. Accessory sclerite. C. Anterior hamulus. D. Posterior hamulus. Other abbreviations as in previous Figures. Scale bars: A, 1 mm; B–D, 200 Μm.
FIGURE 6. A. Benedenia haywardi n in Three new species of Benedenia Diesing, 1858 from the Great Barrier Reef, Australia with a key to species of the genus
FIGURE 6. A. Benedenia haywardi n. sp. Reproductive system of adult, ventral view. Drawn from holotype and living specimen. Abbreviations: em, egg material. Scale bar: 150 Μm. B. Diagrammatic representation of the region immediately dorsal to the penis canal showing the swelling on the vas deferens, not drawn to scale. Abbreviations: pc, penis canal; sw, swelling. Other abbreviations as in previous Figures.
FIGURE 1. Benedenia ernsti n in Three new species of Benedenia Diesing, 1858 from the Great Barrier Reef, Australia with a key to species of the genus
FIGURE 1. Benedenia ernsti n. sp. A. Entire adult animal, ventral view. Abbreviations: aao, anterior attachment organ; agr, accessory gland reservoir; ah, anterior hamulus; as, accessory sclerite; cgp, common genital pore; e, eye; g, germarium; gl, glandular tissue; ho, hooklet; ifc, internal fertilisation chamber; lo, lobe; m, marginal valve; mb, muscular bulb; Mg, Mehlis' gland; ö, ootype; p, pharynx; pe, penis; ph, posterior hamulus; scl, sclerite; sr, seminal receptacle; t, tendon; te, testis; u, uterus; v, vagina; vp, vaginal pore; vr, vitelline reservoir. B. Penis sclerite. C. Accessory sclerite. D. Anterior hamulus. E. Posterior hamulus. Scale bars: A, 500 Μm; B, 40 Μm, C–E, 60 Μm.
Benedenia sp. crawling
<p>Video of an individual Benedenia sp. crawling </p>
FIG. 16 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 16. Haptors of Yamaguti's Hawaiian Benedenia species and B. epinepheli drawn to same scale from various specimens. (A) Benedenia bodiani; (B) B. epinepheli; (C) B. hawaiiensis; (D) B. lolo; (E) B. scari. Scale bar 5 250 Mm. Note tendon (te).
FIG. 14 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 14. Haptor and sclerites of Benedenia bodiani: (A) haptor; (B) accessory sclerite; (C) anterior hamulus; (D) posterior hamulus, all drawn from holotype; (E) haptor of one specimen of several from MPM: No. 15392; (F), (G), (H), anterior hamuli from various paratypes on USNPC: No. 63586 showing considerable morphological variation between individuals. Scale bar for haptors (A, E) 5 150 Mm. Scale bar for sclerites (B, C, D, F, G, H) 5 35 Mm.
FIG. 13 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 13. Body outline of entire Benedenia bodiani in ventral view showing widely spaced testes (t), large glands of Goto (G) and wavy muscles (wm) in the haptor. Scale bar 5 500 Mm. Composite drawn from several specimens.
FIG. 15 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 15. Male copulatory complex and terminal portion of vagina (v) of Benedenia bodiani. Composite drawn from several specimens. Scale bar 5 100 Mm. agr, accessory gland reservoir; da, duct of accessory gland reservoir; pe, penis; vd, vas deferens.
FIG. 11 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 11. Orientation of co-copulants during sperm exchange as observed for (A) Entobdella soleae (after Kearn, 1970); scale bar 5 1 mm. (B) Likely orientation of co-copulants for a species of Benedenia with a vaginal pore anterior to the common genital pore (based on B. lutjani); scale bar 5 500 Mm. Note that the probable orientation by which benedeniines with a vaginal pore opening anterior to the common genital pore may align themselves is likely to be similar to that of species which possess a vaginal pore that opens posterior to the common genital pore, such as E. soleae.
FIG. 12 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 12. Comparative ®gure showing positions of the vaginal pore (vp) of six Benedenia species demonstrating the continuum of variation from (A) B. ovata in which the vaginal pore is located in the mid-body between the germarium and the common genital pore to (F) where the vaginal pore in B. lutjani is located well anterior to the common genital pore. The other drawings depict gradations between these two extremes for: (B) Benedenia sp. of Grutter (1998); (C) B. epinepheli; (D) B. monticellii and (E) B. acanthopagr i. Scale bar 5 500 Mm. All drawings made from material we examined.
FIG. 10 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 10. Anterior ends of Benedenia species with a vaginal pore (vp) anterior to the common genital pore. These ®gures also show lobes (l) associated with the genital openings. (A) Benedenia acanthopagr i; (B) B. anticavaginat a; (C) B. lutjani. Scale bar 5 500 Mm.
FIG. 9 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 9. Haptors and haptoral sclerites of Benedenia species possessing a vagina that opens anterior to the common genital pore. Benedenia acanthopagr i: (A) haptor; (B) accessory sclerite; (C) anterior hamulus; (D) posterior hamulus. Benedenia anticavaginata: (E) haptor; (F) accessory sclerite; (G) anterior hamulus; (H) posterior hamulus with associated musculature (m). Benedenia lutjani: (I) haptor; (J) accessory sclerite; (K) anterior hamulus; (L) posterior hamulus. Scale bar for haptors (A, E, I) 5 250 Mm. Scale bar for sclerites (B, C, D, F, G, H, J, K, L) 5 100 Mm.
FIG. 7 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 7. Scanning electron micrographs of Benedenia sciaenae. (A). Ventral view of left anterior attachment organ (aa) with the male pore (mp) and the uterine pore (up) on the left ventral margin of the parasite. Scale bar 5 300 Mm. (B). Enlargement of left ventral margin showing the male pore (mp) and the uterine pore (up). Scale bar 5 50 Mm. (C). Dorsal view of left margin of parasite showing the vaginal pore (vp). Scale bar 5 100 Mm. (D). Enlargement of the dorsal vaginal pore (vp). Scale bar 5 10 Mm.
FIG. 5 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 5. Haptoral sclerites of Benedenia sciaenae drawn from various specimens. (A) Accessory sclerite; (B) anterior hamulus; (C) posterior hamulus. Scale bar 5 200 Mm. (D) Hooklet. Scale bar 5 10 Mm.
FIG. 4 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 4. Benedenia sciaenae (van Beneden, 1856) Odhner, 1905, whole adult animal, ventral view. Gut not shown. Scale bar 5 1 mm. aa, anterior attachment organ; agr, accessory gland reservoir; ah, anterior hamulus; as, accessory sclerite; e, pigmented eye; g, germarium; G?, possible glands of Goto?; h, haptor; ho, hooklet; m, marginal valve; mp, male genital pore (i.e. opening of penis canal); oo, ootype; p, pharynx; ph, posterior hamulus; rt, ridge of tissue; t, testis; te, tendon; up, uterine pore; vd, vas deferens; vf, vitelline follicle; vp, vaginal pore; vr, vitelline reservoir. Drawn from voucher specimen QM: No. G 217921.
FIG. 8 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 8. Light photomicrograph of a preserved, unstained, unmounted specimen in dorsal view of Benedenia sciaenae from the skin of Argyrosomus hololepidotus from Bate Bay, Cronulla, NSW, Australia demonstrating the dorsal pigment spots. Scale bar 5 2.5 mm. Photograph of QM G 217923.
FIG. 3 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 3. Comparative sizes for three Benedenia species drawn to the same scale showing (A) a`large' species, B. sciaenae, (B) a`medium-sized' species, B. hoshinai and (C) a`small' species, B lutjani. Scale bar 5 1 mm.
FIG. 2 in A revision of Benedenia Diesing, 1858 including a redescription of B. sciaenae (van Beneden, 1856) Odhner, 1905 and recognition of Menziesia Gibson, 1976 (Monogenea: Capsalidae)
FIG. 2. Diagrammatic representation of the male copulatory organ and associated structures of (A) Benedenia as resolved in the present study, (B) the arrangement proposed by Yamaguti (1968) for B. scari and (C) Neobenedenia (after Whittington and Horton, 1996). Note that the arrangement in (A) Benedenia shows a muscular penis (pe) occupying a penis canal (pc) with a weakly muscular wall whereas in Neobenedenia (C), the comparatively weakly muscular penis occupies a strongly muscular penis sac (ps). agd, ducts of the accessory glands supplying the accessory gland reservoir; agr, accessory gland reservoir (5`prostatic reservoir' of Yamaguti, 1968); cgp, common genital pore; da, duct of accessory gland reservoir (5`prostatic duct' of Yamaguti, 1968); pc, penis canal (5`cirrus pouch' of Yamaguti, 1968); pe, penis (5`cirrus' of Yamaguti, 1968); ps, penis sac (5`cirrus pouch' of Yamaguti, 1968); sr, sperm reservoir; u, uterus; vd, vas deferens; wa, wall of accessory gland reservoir (5`prostatic reservoir' of Yamaguti, 1968).
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