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FIGURE 2. Durckheimia lochi n in Description of Durckheimia lochi n. sp., with an annotated checklist of Australian Pinnotheridae (Crustacea: Decapoda: Brachyura)

FIGURE 2. Durckheimia lochi n. sp., female holotype, AM P 24478, in bivalve mollusc host, Ctenoides ales (Finlay, 1927) (AM C 103731). Photo: I. Loch.

FIG. 3 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 3. — Onychocepon harpax Pérez, 1921, ZRC 2023.0258 (A-K): A, female, dorsal view; B, male, dorsal view; C, male, ventral view (arrows indicate attached ciliates); D, left antennule of female; E, left antenna of female; F, left maxilliped and barbular lobes of female; G, left oostegite 1 of female, outer view; H, left oostegite 1 of female, inner view, asterisk shows lobe drawn in close-up; I, close-up of lobe from inner ridge of oostegite 1 of female; J, left pereopod 1 of female; K, left pereopod 7 of female. Scale bars: A, 2 mm; B, C, 1 mm; D, E, I-K, 50 µm; F-H, 200 µm.

FIG. 8. — Rhopalione racemus n in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 8. — Rhopalione racemus n. sp. holotype and allotype specimens (SAM C16386): A, holotype female, dorsal view; B, holotype female, ventral view; C, allotype male, dorsal view. Scale bars: A, B, 2 mm; C, 1 mm.

FIG. 4 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 4. — Rhopalione uromyzon Pérez, 1920, syntype female (MNHN-IU-2024-3187) (8.1 mm): A, dorsal view; B, ventral view; C, right antennule and antenna; D, barbula; E, left oostegite 1, inner view; F, left oostegite 1, outer view; G, left maxilliped, outer view; H, left pereopod 1; I, left pereopod 7; J, close-up view of dactylus, propodus and carpus ending of pereopod 7. Scale bars: A, B, 1 mm; C, G, I, 100 µm; D, 200 µm; E, F, 500 µm; H, 250 µm; J, 50 µm.

FIG. 11. — Rhopalione rusa n in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 11. — Rhopalione rusa n. sp. holotype (ZRC 2023.0259, A-G) and allotype (ZRC 2023.0260, H-M) specimens (ZRC 2019.0534): A, left antennae; B, barbula, left side; C, dorsal view of terminus of pleon showing fifth pleomere with lateral plates on both sides and biramous pleopod shown only on right side and uropods; D, left maxilliped, outer view; inset shows inner view of anterior lobe and spur obscured by lobe of maxilliped (*); E, left oostegite 1 and pereopod 1, outer view; F, left oostegite 1, inner view; G, left pereopod 7; H, ventral view; I, left antennae; J, right pereopod 1; K, right pereopod 1, close-up of dactyl and propodus; L, right pereopod 7; M, pleomere showing pleopod 4 on right side and mid-ventral tubercule. Abbreviations: En, endopod; Ex, exopod; Lp, lateral plate; Uro, uropods. Scale bars: A, G, L, M, 100 µm; B, D-F, 250 µm; C, H, 500 µm; J-K, 50 µm.

FIG. 2 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 2. — Heterocepon marginatum Shiino, 1936, ZRC 2023.0271 (A-I): A, right antenna and antennule of female; B, barbula of female (asterisk shows missing outer lobe); C, left maxilliped of female, outer view with outer barbular lobe attached; D, left oostegite 1 of female, outer view; E, left oostegite 1 of female, inner view; F, left pereopod 1 of female; G, left pereopod 7 of female. Scale bars: A, F, G, 50 µm; B, 250 µm; C-E, 200 µm.

FIG. 7 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 7. — Rhopalione sinensis Markham, 1990 (NHMD-1184775): A, female, dorsal view; B, female, lateral view; C, left oostegite 1, inner view; D, left maxilliped, outer view. Scale bars: A, B, 2 mm; C, D, 100 µm.

FIG. 6 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 6. — Rhopalione atrinicolae Page, 1985 paratype specimens (A, B: NMNZ Cr. 3090) and non-type specimens (C, D: NIWA 160626): A, female, dorsal view; B, male, dorsal view. C, female, dorsal view; D, female, dorsal view, arrow shows lateral plate with slightly crenulate edge. Scale bars: A, C, D, 2 mm; B, 1 mm.

FIG. 5 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 5. — Rhopalione uromyzon Pérez, 1920:two syntype males (MNHN-IU-2024-3189) (A-C, E-G: 3.45 mm, D: 3.68 mm), one syntype female (MNHN-IU-2024-3196) (H, 3.90 mm), 2 syntype females (I, 4.35 mm, J, 5.55 mm): A, dorsal view; B, lateral view; C, ventral view; D, dorsal view, E, left antennule and antenna; F, left pereopod 1; G, left pereopod 7; H-J, dorsal views. Scale bars: A-D, H, 500 µm; E-G, 100 µm; I, J, 1 mm.

FIG. 1 in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 1. — Heterocepon marginatum Shiino, 1936, ZRC 2023.0264 (A), ZRC 2023.0269 (B), SMF-ZMG948b (C, D): A, female, dorsal view (dashed line shows where oostegites are cut-off in the picture); B, male, dorsal view; C, female in host Arcotheres palaensis (Bürger, 1895); D, female, dorsal view. Scale bars: A, B, D, 1 mm; C, 2.5 mm.

FIG. 10. — Rhopalione rusa n in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 10. — Rhopalione rusa n. sp. holotype (ZRC 2023.0259) and allotype (ZRC 2023.0260) specimens: A, ventral view of host pinnotherid Arcotheres similis (Bürger, 1895) with Rhopalione sp. in situ on left side of pleon (posterior end of male shown by arrow); B, holotype female, dorsal view; C, holotype female, ventral view; D, allotype male, dorsal view. Scale bars: A, 2 mm; B-D, 1 mm.

FIG. 9. — Rhopalione racemus n in New records of bopyrid parasites (Crustacea, Isopoda, Epicaridea) of pea crabs (Crustacea, Decapoda, Pinnotheridae) with descriptions of two new species of Rhopalione Pérez, 1921 and a review of the genus

FIG. 9. — Rhopalione racemus n. sp. holotype (A-H) and allotype (I-L) specimens (SAM C16386): A, left antennae; B, barbula; C, left maxilliped, with base of barbular lobes shown; D, left oostegite 1, outer view; E, left oostegite 1, inner view; F, pereomere 7 and pleon, ventral view; G, left pereopod 1 and coxal plate; H, left pereopod 7; I, ventral view; J, right antennae, oral cone and maxilliped; K, right pereopod 1; L, left pereopod 7. Abbreviations: CP, coxal plate; IL, inner barbular lobe; Max, maxilliped; OL, outer barbular lobe; Or, oral cone. Scale bars: A, G, H, 100 µm; B, D, E, I, 500 µm; C, 250 µm; F, 1 mm; J-L, 50 µm.

Fig. 85 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 85. Magnotheres globosus (Hombron & Jacquinot, 1846), male (5.4 × 5.5 mm) (ZRC 2018.783), Philippines. A, overall dorsal view; B, frontal view of cephalothorax; C, ventral view of sternum and pleon; D, outer view of right chela.

Fig. 84 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 84. Magnotheres globosus (Hombron & Jacquinot, 1846). A, ovigerous female (carapace width 11.9 mm, carapace broken) (ZRC 2017.1017), Panglao, Philippines; B, ovigerous female (13.6 × 10.5 mm) (ZRC 2017.1019), Changi, Singapore; C, ovigerous female (11.8 × 9.5 mm) (ZRC 2017.1017), Panglao, Philippines; D, ovigerous female (11.0 × 8.9 mm) (ZRC 2017.1017), Panglao, Philippines; E, ovigerous female (16.6 × 12.3 mm) (ZRC 2016.185), Kerala, India; F, G, ovigerous female (14.7 × 11.2 mm) (ZRC 2016.184), Kerala, India. A, frontal margin of carapace; B, C, E–G, left MXP3 (setae denuded); D, right MXP3 (setae denuded). F, G, drawn at different angles. Scales = A, 1.0 mm; B–G, 0.5 mm.

Fig. 81 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 81. Magnotheres globosus (Hombron & Jacquinot, 1846). A, ovigerous female (12.1 × 9.4 mm) (ZRC 2016.166), Vanuatu; B, E, F, ovigerous female (13.5 × 10.7 mm) (ZRC 2016.165), Vanuatu; C, ovigerous female (11.9 × 9.3 mm) (ZRC 2017.1019), Changi, Singapore; D, ovigerous female (13.6 × 10.5 mm) (ZRC 2017.1019), Changi, Singapore. A–D, overall dorsal view; E, frontal view of cephalothorax; F, left P2–P5.

Fig. 78 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 78. Magnotheres globosus (Hombron & Jacquinot, 1846), type female (20.0 × 18.0 mm). A, overall dorsal view; B, D, left MXP3; C, outer view of right chela. A–C, after Hombron & Jacquinot (1846: pl. 5 figs. 21–23); D, after Milne Edwards (1853: pl. 11 fig. 6).

Fig. 74 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 74. Magnotheres globosus (Hombron & Jacquinot, 1846), colour in life. A, non-ovigerous female (14.4 × 10.8 mm) (ZRC 2017.1018), Changi, Singapore; B–D, ovigerous female (13.2 × 9.9 mm) (ZRC 2017.1018), Changi, Singapore. A, B, overall dorsal view; C, D, frontal view of cephalothorax. Photographs: Tan Heok Hui.

Fig. 72 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 72. Magnotheres globosus (Hombron & Jacquinot, 1846), colour in life. A, ovigerous female (13.0 × 10.0 mm) (ZRC 2018.782), Philippines; B, ovigerous female (9.0 × 6.8 mm) (ZRC 2018.781), Philippines; C, male (5.4 × 5.5 mm) (ZRC 2018.783), Philippines. Photographs: A, Chan Tin-Yam.

Fig. 75 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 75. Magnotheres globosus (Hombron & Jacquinot, 1846), colour in life, non-ovigerous female (14.6 × 10.7 mm) (ZRC 2017.1020), with bopyrid parasite (Rhopalione sp.), Changi, Singapore. A, overall habitus; B, frontal view of cephalothorax showing asymmetrical pleon; C, female pleon with left side folded inwards; D, ventral surface of pleon showing folding of left side; E, ventral view of Rhopalione sp.; F, dorsal view of Rhopalione sp. Photographs: Lee Bee Yan.

Fig. 69 in The pea crab genus Arcotheres Manning, 1993 (Crustacea: Brachyura: Pinnotheridae) from Singapore and Peninsular Malaysia, with a reappraisal of diagnostic characters and descriptions of two new genera

Fig. 69. Nepinnotheres corbiculae (Sakai, 1939). A, female, overall dorsal view; B, left female MXP3; C, outer view of left female chela. A, after Sakai (1976: pl. 200 fig. 4); B, C, after Sakai (1939: text-fig. 77).