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Fig. 12 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description

Fig. 12. Allokoenenia stygia sp. nov., ♀. A. Coxa of left pedipalp, holotype (MZSP 54247). B. Coxa of right leg I, paratype (MZSP 54249). C. Coxa of left leg II, holotype (MZSP 54247). D. Coxa of right leg III, paratype (MZSP 54249). E. Coxa of right leg IV, paratype (MZSP 54249). Scale bars = 60 μm. Thickened setae on coxae II, III and IV indicated by arrows.

Fig. 9 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description

Fig. 9. Allokoenenia canhembora sp. nov. A. Map of Brazil showing the placement of the Caatinga Biome, delimited in yellow, and of Toca do Gonçalo Cave (red dot), the type locality of A. canhembora sp. nov. B. Entrance of Toca do Gonçalo Cave and its surrounding landscape, characterized by the semiarid climate. C. Gallery of the lower level (right branch) of Toca do Gonçalo Cave, where individuals of A. canhembora sp. nov. were observed. D. Puddle of water inside the Gruta do Gonçalo Cave, with numerous calcite rafts on its surface. E. Area of the cave devoid of water with muddy substrate covered by many layers of calcite rafts. F–G. Live specimens photographed on a tray before being captured. H. Habitus of the specimen (ISLA 50395) captured in 2014 under a stereo microcope.

Fig. 1. Allokoenenia afra Silvestri, 1913. A. Opisthosomal segments VIII–XI in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description

Fig. 1. Allokoenenia afra Silvestri, 1913. A. Opisthosomal segments VIII–XI and first flagellar segment, ♀, typus. B. Flagellum (second to fourteenth flagellar segments), ♀, typus. C. Frontal organ, immature, cotypus. Scale bars: A–B = 100 μm; C = 10 μm.

Fig. 11 in Two extraordinary troglobitic species of Allokoenenia (Eukoeneniidae: Palpigradi) from Brazil: first records of this initially monotypic genus more than a century after its description

Fig. 11. Allokoenenia stygia sp. nov., ♀. A. Deutotritosternal setae, holotype (MZSP 54247). B. Proximal setae (p 1–p 6) on basal segment of chelicera (p 1 out of focus), holotype (MZSP 54247). C. Opisthosomal segments VII–XI, paratype (MZSP 54249). D. Proximal region of cheliceral hand showing the two thickened setae, holotype (MZSP 54247). E. Chaetotaxy of opisthosomal tergite IV, paratype (MZSP 54249). F. Chaetotaxy of opisthosomal sternite IV, paratype (MZSP 54249). Abbreviations: see Material and methods. Scale bars: A–B = 30 μm; C = 100 μm; D = 35 μm; E–F = 20 μm.

Fig. 17 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 17. Distribution map of Prodasineura Cowley, 1934 spp. in Vietnam (blue group species including the blackish P. autumnalis (Fraser, 1922)). (●) P. autumnalis. (●) P. coerulescens (Fraser, 1932). (●) P. doisuthepensis Hoess, 2007. (●) P. hoffmanni Kosterin, 2015.

Fig. 15. Prodasineura Cowley, 1934 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 15. Prodasineura Cowley, 1934 spp., males, in nature. A. P. kong sp. nov. B. P. lancastrei sp. nov.

Fig. 14 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 14. Habitus of Prodasineura Cowley, 1934 spp. A–B. P. kong sp. nov. A. ♂, holotype, ZCDTU 2019071811-ODO. B. ♀, paratype, ZCDTU 2019071817-ODO. C–D. P. lancastrei sp. nov., C. ♂, holotype, ZCDTU 2019051212-ODO. D. ♀, paratype, ZCDTU 2019051217-ODO. Scale bar = 1 cm.

Fig. 13 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 13. Posterior pronotal lobe of prothorax of Prodasineura Cowley, 1934 spp., females, lateral and dorsal views. A–B. P. croconota Ris, 1916, ZCDTU 2017060802-ODO. C–D. P. kong sp. nov., ZCDTU 019071817-ODO. E–F. P. lancastrei sp. nov., ZCDTU 2019051217-ODO. G–H. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. Images not to scale.

Fig. 12 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 12. Head of Prodasineura Cowley, 1934 spp., frontal view. A–B. P. kong sp. nov. A. ♂, holotype, ZCDTU 2019071811-ODO. B. ♀, paratype, ZCDTU 2019071817-ODO. C–D. P. lancastrei sp. nov. C. holotype, ZCDTU 2019051212-ODO. D. ♀, paratype, ZCDTU 2019051217-ODO. Images not to scale.

Fig. 10 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 10. Wings base and genital ligula of Prodasineura Cowley, 1934 spp., males, holotypes A–B. P. kong sp. nov., ZCDTU 2019071811-ODO. C–D. P. lancastrei sp. nov., ZCDTU 2019051212-ODO. Images not to scale.

Fig. 9 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 9. Structures of Prodasineura Cowley, 1934 spp., males, holotypes. A, C–D. P. kong sp. nov., ZCDTU 2019071811-ODO. B, E–F. P. lancastrei sp. nov., ZCDTU 2019051212-ODO. A–B = head and thorax, lateral view; C, E = appendages, lateral view; D, F = appendages, dorsal view. Images not to scale.

Fig. 8. Prodasineura Cowley, 1934 spp., females. A–C. P. croconota Ris, 1916, ZCDTU 2017060802- ODO. D–E. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. F. P in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 8. Prodasineura Cowley, 1934 spp., females. A–C. P. croconota Ris, 1916, ZCDTU 2017060802- ODO. D–E. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. F. P. laidlawi (Forster in Laidlaw, 1907), modified from Asahina (1983: fig. 22). A, G–F = prothorax, lateral view; B, D = prothorax, dorsal view; C, E = tip of abdomen, lateral view. Images not to scale.

Fig. 7. Prodasineura Cowley, 1934 spp., males. A–C. P. croconota, ZCDTU 2017060802-ODO. D–F. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. A, D, G in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 7. Prodasineura Cowley, 1934 spp., males. A–C. P. croconota, ZCDTU 2017060802-ODO. D–F. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. A, D, G = tip of abdomen, dorsal view; B, E = tip of abdomen, lateral view; C, F = genital ligula, oblique-ventral view. Images not to scale.

Fig. 6. Prodasineura Cowley, 1934 spp. A–C. P. croconota Ris, 1916, ZCDTU 2017060802-ODO. D–F. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. A, E in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 6. Prodasineura Cowley, 1934 spp. A–C. P. croconota Ris, 1916, ZCDTU 2017060802-ODO. D–F. P. verticalis Selys, 1860, ZCDTU 2018030611-ODO. A, E = ♂, head and thorax, lateral view; C–D = ♂, synthorax, dorsal view; B, F = ♀, head and thorax, lateral view. Images not to scale.

Fig. 5 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 5. Posterior pronotal lobe of prothorax of Prodasineura Cowley, 1934 spp., females. A–B. P. autumnalis (Fraser, 1922), lateral and dorsal views. C. P. doisuthepensis Hoess, 2007, dorsal view. D–E. P. coerulescens (Fraser, 1932), lateral and dorsal views. F. P. hoffmanni Kosterin, 2015, dorsal view. (Fig. 5C, F is modified from Kosterin 2015: fig. 3c–d). Images not to scale.

Fig. 1 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 1. Prodasineura autumnalis (Fraser, 1922), ZCDTU 2017043021-ODO. A. ♂, head and thorax, lateral view. B. ♀, head and thorax, lateral view. C. Appendages, dorsal view. D. Appendages, lateral view. E. ♀, prothorax, dorsal view. F. Genital ligula, oblique-ventral view. G. ♀, tip of abdomen, lateral view. Images not to scale.

Fig. 4. Prodasineura Cowley, 1934 spp., females. A–C. P in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 4. Prodasineura Cowley, 1934 spp., females. A–C. P. coerulescens (Fraser, 1932), ZCDTU 2016100801-ODO. D–F. P. doisuthepensis Hoess, 2007, ZCDTU 2017062201-ODO. G–H. P. hoffmanni Kosterin, 2015, ZCDTU 2017062202-ODO. A, D = prothorax, lateral view; B, E, G = prothorax, dorsal view; C, F, H = tip of abdomen, lateral view (Fig. 4G–H is modified from in Kosterin 2015: fig. 4c, h). Images not to scale.

Fig. 3. Prodasineura Cowley, 1934 spp., males. A–B, E. P in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 3. Prodasineura Cowley, 1934 spp., males. A–B, E. P. coerulescens (Fraser, 1932), ZCDTU 2016100801-ODO. C–D, F. P. doisuthepensis Hoess, 2007, ZCDTU 2017062201-ODO. G–I. P. hoffmanni Kosterin, 2015, ZCDTU 2017062202-ODO. A, C, G = tip of abdomen, dorsal view; B, D, H = tip of abdomen, lateral view. E–F, I: Genital ligula, oblique-ventral view. Images not to scale.

Fig. 2. Prodasineura Colwey, 1934 in A revision of the systematics and distribution of the damselfly genus Prodasineura Cowley, 1934 (Odonata: Zygoptera: Platycnemididae) in Vietnam with description of two new species

Fig. 2. Prodasineura Colwey, 1934 spp., head and thorax, lateral view (A, C, E: ♂, B, D, F: ♀) A–B. P. coerulescens (Fraser, 1932), ZCDTU 2016100801-ODO. C–D. P. doisuthepensis Hoess, 2007, ZCDTU 2017062201-ODO. E–F. P. hoffmanni Kosterin, 2015, ZCDTU 2017062202-ODO (E). Fig. 2F is modified from Kosterin (2015: fig. 2a), from Dak Dam village, Mondulkiri Province, Cambodia. Images not to scale.