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22 results for “Entoniscidae”
Figure 2 in Rediscovery and redescription of Entoniscus creplinii Giard and Bonnier, 1887 (Isopoda: Bopyroidea: Entoniscidae) parasitizing Polyonyx gibbesi Haig, 1956 (Decapoda: Anomura: Porcellanidae), a symbiotic crab from the tubes of Chaetopterus cf. variopedatus (Annelida), from North Carolina and Florida, U. S. A.
Figure 2. Entoniscus creplinii Giard and Bonnier, 1887 (USNM 1660598). A) Mature female, lateral view. B) Close-up of side of pleomere 3 showing scales. C) Terminal segment of pleon. D) Female cephalon with host sheath surrounding, en face view. E) Female cephalon with host sheath surrounding, lateral view. F) Female cephalon with host sheath removed, en face view. G) Female cephalon with host sheath removed, lateral view. H) Pleon of female with host sheath partially removed, asterisk showing position of first pleopods still covered by host sheath; stippled region shows channel within which second pleopods lay. Abbreviations: ce = cephalon; he = heart; 2–4 = pleopods 2 to 4. Scales = 0.5 mm (A, D–H); 10 µm (B, C).
Figure 1 in Rediscovery and redescription of Entoniscus creplinii Giard and Bonnier, 1887 (Isopoda: Bopyroidea: Entoniscidae) parasitizing Polyonyx gibbesi Haig, 1956 (Decapoda: Anomura: Porcellanidae), a symbiotic crab from the tubes of Chaetopterus cf. variopedatus (Annelida), from North Carolina and Florida, U. S. A.
Figure 1.Entoniscus creplinii Giard and Bonnier, 1887 (USNM 1660598). A) Mature female, dorsal view. B) Mature female, dorsal view. C) Mature female, lateral view. D) Pleon of female extending to opening at the merus-carpus articulation of the third right walking leg of host Polyonyx gibbesi Haig, 1956. Abbreviations: ce = cephalon; he = heart; 1o–5o = oostegites 1 to 5; 1p–5p = pleomeres 1 to 5; pl = pleural lamellae. Scales = 0.5 mm (A); 1 mm (B–D).
FIGURE 5 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 5. Female of Stellatoniscus tentaculus gen. nov., sp. nov. A, immature female (stage I); B, immature female (stage II); C, immature female (stage III); D, mature female. Scale bars: A–C = 1 mm; D = 5 mm.
FIGURE 4 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 4. Cryptoniscus larva of Cancrion khanhensis sp. nov. A, habitus, ventral view, dashed lines indicate missing parts; B, pereopod 1; C, pleopod 1; D, left uropod. Scale bars: A = 100 µm; B, C, D = 10 µm.
FIGURE 9. A in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 9. A, Uninfested Monomia haani; B, infested M. haani showing more highly vaulted carapace; C, ventral view of M. haanii carapace showing ovigerous female Cancrion khanhensis sp. nov. (arrow); D, double infestation of C. khanhensis sp. nov. (arrows). Scale bars: 1 cm.
FIGURE 8. A in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 8. A, Cancrion khanhensis sp. nov. mature ovigerous female; B, C. khanhensis sp. nov. mature female showing dorsolateral ovarian processes (arrows); C, C. khanhensis sp. nov, immature female (stage 8); D, C. khanhensis sp. nov. mature female infested by Stellatoniscus tentaculus gen. nov., sp. nov. mature female; E, S. tentaculus gen. nov., sp. nov. immature females (stage III); F, S. tentaculus gen. nov., sp. nov. mature female (stage IV). Scale bars = 5 mm.
FIGURE 1 in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 1. Map of locations where entoniscids (Diogenion vermifactus Codreanu, Codreanu & Pike, 1960, Diogenion cf. vermifactus, Paguritherium alatum Reinhard 1945, and Paguritherium manggagaway n. sp.) have been found infesting hermit crab hosts.
FIGURE 5 in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 5. Diogenion cf. vermifactus Codreanu, Codreanu & Pike, 1960, epicaridium larvae (USNM 1522332). A. Ventral view. B. Pereopods 1–6. C. Dorsal view. D. Pleopods 1–5, endopod below numbered appendages. E. Dorsal view of pleopods, uropods, and pleotelson. Abbreviations: A1, antennulae; A2, antennae; P1–P6, pereopods 1–6; Pl1–5, pleomeres 1–5; Pt, pleotelson; Ur, Uropod. Scale bars: A, B = 50 μm; C = 100 μm; D, E = 25 μm.
FIGURE 9. Paguritherium manggagaway n in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 9. Paguritherium manggagaway n. sp., female paratype (A–D = ZRC 2022.0965). A. Head, ventral view. B. Head, lateral view of head and basal portion of oostegite 1. C. Ventral view of body, oostegites removed. D. Pleon, lateral view. Male paratype (E–H, ZRC 2022.0963). E. Lateral view. F. Head, lateral view showing mouthparts and antennulae. G. Head, ventral view. H. Pereopod 6. Scale bars: A–D = 500 µm; E, G = 250 µm; F = 100 µm; H = 50 mm.
FIGURE 10. Paguritherium manggagaway n in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 10. Paguritherium manggagaway n. sp., epicaridium larva (A–E = ZRC 2022.0965, F=JW11-121-28). A. Habitus, lateral view. B. Habitus, ventral view. C. Head showing antennulae, mouthparts, proximal segments of antennae, and pereopods 1–3, ventral view. D. Left antenna (4 peduncular and 2 flagellar segments shown by numbers). E. Pereopods 1–5. F. Pereopod 1 with serrated fan-like setae on propodus (indicated by arrows). Abbreviations: P1–P6, pereopods 1–6. Scale bars: A, B = 50 μm; C–E = 25 μm; F = 10 μm.
FIGURE 7. Paguritherium manggagaway n in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 7. Paguritherium manggagaway n. sp., female (A = USNM 1522342, B, D = USNM 1522339, C, E = USNM 1522338). A. Host Calcinus gaimardii with ovigerous female paratype exposed in abdomen. Arrow shows exit pore in the middle of host pereomere 5. B. Ovigerous female paratype removed from anterior portion of abdomen of host, ventral view. C. Ovigerous female holotype removed from posterior portion of abdomen of same specimen as B, ventral view. Dashed arrow shows where the two female parasites overlapped. D. Female paratype shown in B, dorsal view. E. Female holotype shown in C, dorsal view. Dashed arrow shows where the two female parasites overlapped. Abbreviations: Hd, head; In, intestine of host. Scale bars: A–E = 1 mm.
FIGURE 6. Paguritherium alatum Reinhard 1945 in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 6. Paguritherium alatum Reinhard 1945, female (A–D). A. Cross section of hermit crab Pagurus longicarpus showing position of ovigerous female P. alatum within abdomen; body of parasite shown in black, oostegites with developing larvae shown by black dots; the pleon extends to an opening at the base of the eyestalk (arrow). B. Adult female removed from abdomen of host (enclosing sheath and contents of brood pouch removed). C. Ovigerous female with embryos present in brood pouch. D. Head of female. Male (E–H = USNM 1522336). E. Lateral view of male. F. Head of male, ventral view. G. Ventral view of male. H. Male right pereopods 5–7. Epicaridium larva (I–O; N = USNM 1522337). I. Antennule. J. Antenna. K. Pereopod 4 (could be any of 1–5, see Remarks under P. alatum). L. Pereopod 5 (could be any of 1–5, see Remarks under P. alatum). M. Pereopod 6. N. Pereopods 5 (on right) and 6 (on left). O. Pleopod 5. Abbreviations: A1, antennulae; A2, antennae; Hd, head; He, heart; Md, mandibles; Mx, maxillae, Mxp, maxillipeds; O1–O4, oostegites 1–4; P1, pereopod 1. Scale bars: G = 200 µm; H = 25 µm; N = 10 µm; rest not to scale. A–F modified from Reinhard (1945); J–M, O modified from Adkison (1990).
FIGURE 4 in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 4. Diogenion cf. vermifactus Codreanu, Codreanu & Pike, 1960, female (A, B, C = USNM 1522333, D = ZRC 2022.0962), A. Head, ventral view. B. Pereopod 1. C. Pereopod 6. D. Pleon. Male (E= USNM 1522332, F, G, H = USNM 1522334), E. Oblique lateral view. F. Dorsal view. G. Lateral view of head region showing antennula, antenna, pereopod 1 and mouth parts (dashed lines show head region in relation to rest of body). H. Pereopod 6. Abbreviations: A1, antennulae; A2, antennae; Md, mandible; Mxp, maxilliped; P1–P7, pereopods 1–7; Pl1–5, pleomeres 1–5; Pt, pleotelson. Scale bars: A, D = 1.0 mm; B, C = 250 µm; E, F = 500 µm; G, H = 50 µm.
FIGURE 2 in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 2. Diogenion vermifactus Codreanu, Codreanu & Pike, 1960. A. Female, lateral view. B. Male, ventral view. Abbreviations: A1, antennulae; A2, antennae; Hd, head; O1–O7, oostegites 1–7; O1t, transverse plate of oostegite 1; P1–P7, pereopods 1–7; Pl1–5, pleomeres 1–5; S, host sheath; Pt, pleotelson; Tr, ovarian thoracic trunk; Ur, uropods. Scale bars: A = 1 mm; B = 200 µm. Modified from Codreanu et al. (1960).
FIGURE 3 in A review of the endoparasitic isopods (Epicaridea: Entoniscidae) from hermit crabs, including description of the new subfamily Diogenioninae and a new species of Paguritherium Reinhard, 1945 from the Philippines
FIGURE 3. Diogenion cf. vermifactus Codreanu, Codreanu & Pike, 1960, female (A, B = USNM 1522331, C = USNM 1522333). A. Host Calcinus gaimardii with ovigerous female of D. cf. vermifactus partially dissected from abdomen of host, lateral view. B. Same specimen shown in A, dorsal view of host and opposite side of ovigerous female of D. cf. vermifactus showing abdomen extending to exit pore near anterior end of hermit crab (indicated by arrow). C. Ovigerous female of D. cf. vermifactus with nearly all eggs removed, ventral view. Abbreviations: Hd, head; O1, oostegite 1. Scale bars: A, B, C = 3 mm.
FIGURE 6 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 6. Epicaridium larva of Stellatoniscus tentaculus gen. nov., sp. nov. A, habitus, lateral view; B, cephalon and pereomere 1, ventral view; C, antennula; D, antenna; E, pereopod 3; F, pleopod 1; G, uropods. Scale bars: A = 100 µm; B, E = 20 µm; C = 10 µm; D, F, G = 50 µm.
FIGURE 7 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 7. Cryptoniscus larva of Stellatoniscus tentaculus gen. nov., sp. nov. A, habitus, ventral view; B, habitus, dorsolateral view; C, antennula; D, antenna; E, pereomere 1 coxal plate; F, pereopod 1; G, pereopod 2; H, pereopod 7; I, pereopod 4; J, pleopod 1; K, uropod, ventral view; L, uropod, dorsal view. Scale bars: A, B = 0.5 mm; C, D, H, J–L = 0.1 mm; E–G, I = 0.2 mm.
FIGURE 1 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 1. Female of Cancrion khanhensis sp. nov. A, mature female (stage 12) in host sheath, lateral view (1, bulbous heart); B, mature female (stage 12), cephalon (1, outer antenna; 2, inner antenna; 3, coxopodite; 4, exopodite of maxilliped); C, mature female (stage 12), oostegite 1; D, mature female (stage 12) abdomen with pleural lamellae (1, distal end of pleon; 2, pleural lamella 2; 3, pleural lamella 1); E, pre-asticot female (immediately post-molt from cryptoniscus); F, pre-asticot female, more developed (stage 2); G, immature female (stage 5) with rudimentary pleural lamellae; H, immature female (stage 8) with moderately developed pleural lamellae (1, anterior lobe of oostegite 1 extending anterodorsal to cephalon; 2, oostegite 2; 3, pereopod 3; 4, pereopods 6 and 7; 5, heart). Stages find Kuris et al. (1980). Scale bars: A, C, D, G, H = 5 mm; B, E, F = 1 mm.
FIGURE 3 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 3. Epicaridium larva of Cancrion khanhensis sp. nov. A, habitus, ventral view; B, pereopod 6. Scale bars: 50 µm.
FIGURE 2 in Cancrion khanhensis sp. nov. (Crustacea: Isopoda: Entoniscidae) infesting Monomia haanii (Stimpson, 1858) (Crustacea: Brachyura: Portunidae) from Nha Trang Bay, Khanh Hoa, Vietnam, with remarks on larval stages of entoniscids and description of a new family, genus and two new species of hyperparasites
FIGURE 2. Mature male of Cancrion khanhensis sp. nov. A, habitus, ventral view; B, cephalon and pereomere 1, ventral view; C, dorsolateral view showing fusion of cephalon and pereomere 1; D, pereopod 1; E, pleomere 5 and pleotelson. Scale bars: A = 1 mm; B, C = 0.2 mm; D, E = 0.1 mm.
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