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Fig. 8. A in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 8. A, Diogenes avarus Heller, 1852, not collected, IT86, Cyrene Reef, 1°15.374′N 103°44.816′E, 27 May 2013; B, Diogenes fasciatus Rahayu & Forest, 1995, male, 5.3 mm (ZRC 2021.0132); C, Diogenes klaasi Rahayu & Forest, 1995, male, not collected, Singapore Strait; D, Diogenes laevicarpus Rahayu, 1996, male, 5.1 mm (ZRC 2021.0139); E, Diogenes moosai Rahayu & Forest, 1995, male, 1.8 mm (ZRC 2021.0160); F, Diogenes rectimanus Miers, 1884, male, not collected, DW58, East of Pulau Tekong, 01°25.064′N 104°04.992′E, 10.9–11.3 m, 22 October 2012.

Fig. 14. A in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 14. A, Pagurus hedleyi (Grant & McCulloch, 1906), male, not measured and sexed, st. SD25, St John's Island, 01°12.882′N 103°50.952′E, 22 May 2013; B, Pagurus kulkarnii Sankoli, 1962, ovigerous female, 4.2 mm (ZRC 2021.0253); C, D, Pagurus pitagsaleei McLaughlin, 2002a, C, male, not collected, st. SD25, St John's Island, 01°12.882′N 103°50.952′E, 22 May 2013; D, male, 4.9 mm (ZRC 2021.0239); E, Pagurus tenuilineatus, new species, paratype, male, 4.2 mm (ZRC 2021.0255); F, Spiropagurus spiriger (De Haan, 1849), ovigerous female, not collected, Johor Strait.

Fig. 9. A, B in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 9. A, B, Diogenes inglei McLaughlin & Clark, 1997, ovigerous female, 1.8 mm (ZRC 2021.0201); C, Diogenes pallescens Whitelegge, 1897, male, not collected, st. SD40, West P. Semakau, 1°12.389′N 103°45.24′E, 23 May 2013; D, Diogenes tumidus Rahayu & Forest, 1995, male, not collected, SW53, Seringat Kias, artificial lagoon, 1°13.630′N 103°51.218′E, 24 May 2013.

Fig. 6. A in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 6. A, Diogenes jubatus (Nobili, 1903), male, 5.1 mm (ZRC 2021.0114); B, Diogenes platyops Rahayu & Forest, 1995, male, 4.9 mm (ZRC 2021.0118). A, B, left cheliped, P2 and P3.

Fig. 2. A, B in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 2. A, B, Dardanus hessii (Miers, 1884), male, 13.8 mm (ZRC 2021.0105), B, photo from Rahayu & Ong, 2015; C, D, Dardanus lagopodes (Forskål, 1775), male, 14.9 mm (ZRC 2021.0106); E, Dardanus megistos (Herbst, 1804), not measured, St John's Island, 2013.

Fig. 5. A–C in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 5. A–C, Diogenes jubatus (Nobili, 1903), male, 5.1 mm (ZRC 2021.0114); D–F, Diogenes platyops Rahayu & Forest, 1995, male, 4.9 mm (ZRC 2021.0118); G–I, Diogenes jousseaumei (Bouvier, 1897), ovigerous female, 5.8 mm (ZRC 2021.0128). A, D, G, shield and cephalic appendages; B, E, H, anterior lobe of sternite of third pereopods; C, F, I, telson. Scale = 1 mm.

Fig. 4. A in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 4. A, Diogenes mixtus Lanchester, 1902, male, 8.0 mm (ZRC 2021.0111); B, Diogenes planimanus Henderson, 1893, male, 6.7 mm (ZRC 2021.0112).

Fig. 1. A, B in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 1. A, B, Clibanarius infraspinatus Hilgendorf, 1869, male, not collected; C, D, Clibanarius longitarsus (De Haan, 1849), female, 9.4 mm (ZRC 2021.0103).

Fig. 11. A in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 11. A, Paguristes longirostris Dana, 1852, ovigerous female, 6.4 mm (ZRC 2021.0224); B, Pseudopaguristes monoporus (Morgan, 1987), male, 3.8 mm (ZRC 2021.0235).

Fig. 1 in On two new species of the genus Lobothelphusa Bouvier, 1917 (Decapoda: Brachyura: Potamidae: Potaminae) from the Pegu Range, central Myanmar

Fig. 1. Sampling sites for Lobothelphusa bagoensis, new species (dark blue), Lobothelphusa thewanica, new species (light blue), and Paratelphusula gibbosa Ng & Kosuge, 1997 (yellow) in Myanmar.

Fig. 4 in Taxonomy of the Ranatra biroi group sensu Lansbury, 1972 (Nepomorpha: Nepidae), with descriptions of two new species

Fig. 4. Parameres of Ranatra species. A, R. longipes longipes, from Brunei; B, R. cardamomensis, from Natuna Island (ZRC_ ENT00013061); C, R. cardamomensis, from southern Thailand (ZRC_ENT00013063). B, C same scale. Note that the paramere hook of the Thai specimen (Fig. 4C) recurved further after being dry-mounted from an alcohol-preserved specimen; while still in alcohol, the apex was same as that in the type specimens.

Fig. 3 in Taxonomy of the Ranatra biroi group sensu Lansbury, 1972 (Nepomorpha: Nepidae), with descriptions of two new species

Fig. 3. Ranatra palawanensis, new species, male paratype. A, habitus; B, head, prothorax, and fore legs, dorsal view; C, head and prothorax, lateral view; D, antenna; E, metasternum; F, left paramere, lateral view. B, C same scale.

Fig. 7. A, B in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 7. A, B, Diogenes jubatus (Nobili, 1903); A, ovigerous female, not collected, Johor Strait, 21 October 2012; B, male, 5.1 mm (ZRC 2021.0114); C, D, Diogenes platyops Rahayu & Forest, 1995; C, male (not collected), st. TB29, Singapore Strait, 01°13.036′N 103°52.820′E, 22 May 2013; D, ovigerous female, 3.5 mm (ZRC 2021.0125); E, Diogenes jousseaumei (Bouvier, 1897), male, 2.2 mm (ZRC 2021.0129).

Fig. 5 in On two new species of the genus Lobothelphusa Bouvier, 1917 (Decapoda: Brachyura: Potamidae: Potaminae) from the Pegu Range, central Myanmar

Fig. 5. Lobothelphusa thewanica, new species, holotype, male, NNU16-BG1. A, left third maxilliped (dorsal view); B, left G1 (dorsal view); C, left G1 (ventral view); D, left G2 (ventral view). Scale bars: A = 1.0 cm; B–D = 1.0 mm.

Fig. 4. Lobothelphusa thewanica, new species. A–F, H in On two new species of the genus Lobothelphusa Bouvier, 1917 (Decapoda: Brachyura: Potamidae: Potaminae) from the Pegu Range, central Myanmar

Fig. 4. Lobothelphusa thewanica, new species. A–F, H, holotype, male, 31.44 × 26.14 mm, NNU16-BG1; G, I, paratype, female, 32.84 × 26.88 mm, NNU16-BG2. A, dorsal view; B, ventral view; C, frontal view; D, major chela (dorsal view); E, right third ambulatory leg (dorsal view); F, G, ventral view showing anterior thoracic sternum and pleon; H, ventral view showing sterno-pleonal cavity with G1 in situ; I, thoracic sternum and vulvae. Scale bars = 1.0 cm.

Fig. 10 in Hermit crabs of Singapore (Crustacea: Decapoda: Anomura: Diogenidae, Paguridae), with description of two new species

Fig. 10. Diogenes pisinnus, new species. Holotype, male, 1.3 mm (ZRC 2021.0203). A, shield and cephalic appendages; B, chela, carpus and merus of left cheliped, dorsolateral view; C, chela and carpus of right cheliped, dorsolateral view; D, left second pereopod, lateral view; E, left third pereopod, lateral view; F, right second pereopod, lateral view; G, right third pereopod, lateral view; H, left fourth pereopod, lateral view; I, telson. Scale = 0.5 mm.

Fig. 3 in On two new species of the genus Lobothelphusa Bouvier, 1917 (Decapoda: Brachyura: Potamidae: Potaminae) from the Pegu Range, central Myanmar

Fig. 3. Lobothelphusa bagoensis, new species, holotype, male, NNU16-DYX1. A, major chela (dorsal view); B, right third ambulatory leg (dorsal view); C, left third maxilliped (dorsal view); D, left G1 (dorsal view); E, left G1 (ventral view); F, left G2 (ventral view). Scale bars: A–C = 1.0 cm; D–F = 1.0 mm.

Fig. 2 in Taxonomy of the Ranatra biroi group sensu Lansbury, 1972 (Nepomorpha: Nepidae), with descriptions of two new species

Fig. 2. Ranatra luzonensis, new species, male holotype. A, habitus; B, head, prothorax, and fore legs, dorsal view; C, head and prothorax, lateral view; D, antenna; E, metasternum; F, operculum; G, left paramere, lateral view. B, C same scale; E, F same scale.

Fig. 8 in On two new species of the genus Lobothelphusa Bouvier, 1917 (Decapoda: Brachyura: Potamidae: Potaminae) from the Pegu Range, central Myanmar

Fig. 8. The phylogenetic tree (BI and ML) for the Lobothelphusa species and other freshwater crabs based on 16S rDNA. Posterior probabilities and bootstrap values (PP/BV) are indicated on branches. The new species and new sequences in this study are indicated in bold.

Fig. 1 in Taxonomy of the Ranatra biroi group sensu Lansbury, 1972 (Nepomorpha: Nepidae), with descriptions of two new species

Fig. 1. Parameres of Ranatra species. A, Ranatra digitata, from Sri Lanka (ZRC_ENT00013064); B, R. biroi, from Irian Jaya, Indonesia; C, R. rafflesi, holotype; D, R. rafflesi, from West Kalimantan, intermediate form (ZRC_ENT00013018); E, R. rafflesi, from West Kalimantan, slender form (ZRC_ENT00013054). C, D, E same scale.