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Figs. 11–16 in The Genus Eotrechus (Heteroptera: Gerridae) In Vietnam With Descriptions Of Two New Species

Figs. 11–16. Eotrechus pumat, new species, structural details: 11, male foreleg; 12, female abdomen, left lateral view; 13, male proctiger, dorsal view; 14, male terminal abdomen, ventral view; 15, male pygophore, left lateral view; 16, male pygophore, dorsal view.

Figs. 4–10 in The Genus Eotrechus (Heteroptera: Gerridae) In Vietnam With Descriptions Of Two New Species

Figs. 4–10. Eotrechus fansipan, new species, structural details: 4, male foreleg; 5, female abdomen, left lateral view; 6, male proctiger, left lateral view; 7, male proctiger, dorsal view; 8, male terminal abdomen, ventral view; 9, male pygophore, left lateral view; 10, male pygophore, dorsal view.

Fig. 17 in The Genus Eotrechus (Heteroptera: Gerridae) In Vietnam With Descriptions Of Two New Species

Fig. 17. Distributions of new species of Eotrechus in Vietnam: square = E. fansipan, new species; circle = E. pumat, new species.

Figs. 1–3. Type locality for E in The Genus Eotrechus (Heteroptera: Gerridae) In Vietnam With Descriptions Of Two New Species

Figs. 1–3. Type locality for E. fansipan, new species, at a waterfall 17 km. northwest of Sa Pa, Vietnam. Both E. brevipes and E. fansipan, new species, occurred at this location. 1, general view of waterfall and surroundings, showing wet rheocrenes adjacent to the fall itself, on the left side of the photo, which provided habitat for E. fansipan, new species, and dry slopes to the right side of the photo, which provided habitat for E. brevipes. The senior author, standing to the right of the fall, provides scale; 2, lateral view of fall, showing dry bedrock faces in the foreground on which E. brevipes occurred; the photo was taken from near the position of the senior author in Fig. 1; 3, detail of E. brevipes habitat, showing clumps of vegetation scattered on open bedrock. Individuals of E. brevipes sheltered within the vegetation clumps.

Fig. 3 in The first fossil representative of the water strider subfamily Ptilomerinae (Heteroptera: Gerromorpha: Gerridae) in the Oligocene paleolake of Murs (southern France) with some palaeoecological considerations

Fig. 3. Oligoptilomera luberonensis gen. et sp. nov., holotype (PNRL 2715), counterpart, photographed under ultra-violet light. Scale bar = 5 mm.

Fig. 4 in The first fossil representative of the water strider subfamily Ptilomerinae (Heteroptera: Gerromorpha: Gerridae) in the Oligocene paleolake of Murs (southern France) with some palaeoecological considerations

Fig. 4. Oligoptilomera luberonensis gen. et sp. nov., holotype (PNRL 2715), part, photograph of body under ultra-violet light. Scale bar = 5 mm.

Fig. 2 in The first fossil representative of the water strider subfamily Ptilomerinae (Heteroptera: Gerromorpha: Gerridae) in the Oligocene paleolake of Murs (southern France) with some palaeoecological considerations

Fig. 2. Oligoptilomera luberonensis gen. et sp. nov., holotype (PNRL 2715), part, photographed under normal light. Scale bar = 5 mm.

Fig. 1 in The first fossil representative of the water strider subfamily Ptilomerinae (Heteroptera: Gerromorpha: Gerridae) in the Oligocene paleolake of Murs (southern France) with some palaeoecological considerations

Fig. 1. Location map and geological context of the 'Les Vergiers' fossiliferous locality in Murs (Vaucluse, France). A. Geographical position of Murs in France and within the National Natural Reserve of Luberon. B. Stratigraphic log of the 'Les Vergiers' from the 'Sables et grès verts de la Valette-dePernes' to the 'Marnes et grès verts de Murs'.

Fig. 31 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 31. Morphological features of Rhyacobates recurvus Andersen & Chen, 1995. A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C. Body of female, lateral view. D. Abdominal end of female, lateral view. E. Abdominal end of female, dorsal view. F. Abdominal end of female, ventral view. G. Body of male, dorsal view. H. Body of male, excluding head and prothorax, ventral view. I. Basal part of right middle leg of male, ventral view. J. Proctiger of male, dorsal view. K. Left paramere, lateral aspect, two different views. Scale bars: A–I = 1 mm; J–K = 0.2 mm.

Fig. 30 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 30. Morphological features of Rhyacobates malaisei Andersen & Chen, 1995. A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C. Body of female, lateral view. D–E. Abdominal end of female, dorsal view. F. Abdominal end of female, ventral view. G. Abdominal end of female, lateral view. H. Body of male, dorsal view. I. Body of male, excluding head and prothorax, ventral view. J. Basal part of right middle leg of male, ventral view. K. Proctiger of male, dorsal view. L. Left paramere, lateral aspect, two different views. Scale bars: A–J = 1 mm; K–L = 0.2 mm.

Fig. 29 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 29. Morphological features of Rhyacobates lundbladi (Hungerford, 1957). A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C. Body of female, lateral view. D. Abdominal end of female, dorsal view. E. Abdominal end of female, ventral view. F. Abdominal end of female, lateral view. G–H. Body of male, dorsal view. I. Body of male, excluding head and prothorax, ventral view. J. Basal part of right middle leg of male, ventral view. K. Proctiger of male, dorsal view. L. Left paramere, lateral aspect, two different views. Scale bars: A–J = 1 mm; K–L = 0.2 mm.

Fig. 28 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 28. Morphological features of Rhyacobates edentatus Andersen & Chen, 1995. A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C. Body of female, lateral view. D. Abdominal end of female, dorsal view. E. Abdominal end of female, ventral view. F. Abdominal end of female, caudal view. G. Body of male, dorsal view. H. Body of male, excluding head and prothorax, ventral view. I. Basal part of right middle leg of male, ventral view. J. Proctiger of male, dorsal view. K. Left paramere, lateral aspect, two different views. Scale bars: A–I = 1 mm; J–K = 0.2 mm.

Fig. 25 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 25. Morphological features of Rhyacobates chinensis Hungerford & Matsuda, 1959. A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C–D. Abdominal end of female, ventral view. E–F. Body of female, apterous form (E, excluding head and prothorax) and dealated macropterous form (F), lateral view. G–I. Abdominal end of female, lateral view. J. Body of male, dorsal view. K. Body of female, excluding head and prothorax, ventral view. L. Basal part of right middle leg of male, ventral view. M. Proctiger of male, dorsal view. N. Left paramere, lateral aspect, two different views. Scale bars: A–L = 1 mm; M–N = 0.2 mm.

Fig. 19 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 19. Habitus of Rhyacobates turgidus sp. nov., dorsal view. A. Holotype, apterous female (NKUM). B. Paratype, apterous male (NKUM). Scale bar = 3 mm.

Fig. 16 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 16. Morphological features of Rhyacobates bui sp. nov. A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C. Body of female, lateral view. D. Abdominal end of female, dorsal view. E. Abdominal end of female, ventral view. F. Abdominal end of female, lateral view. G. Abdominal end of female, distal view. H. Body of male, dorsal view. I. Body of male, excluding head and prothorax, ventral view. J. Basal part of right middle leg of male, ventral view. K. Proctiger of male, dorsal view. L. Left paramere, lateral aspect, two different views. Scale bars: A–J = 1 mm; K–L = 0.2 mm.

Fig. 11 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 11. Rhyacobates chinensis Hungerford & Matsuda, 1959, live habitus in situ. A. A group of nymphs and adults resting on a riverside rock. B. Individual of apterous female resting on rock. C. Individual of apterous male striding on the water surface. D. A group of nymphs and adults shifting on the water surface when disturbed. E. Nymphs resting on rock. Images not to scale.

Fig. 34 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 34. Morphological features of Rhyacobates svenhedini (Lundblad, 1934). A. Body of female, dorsal view. B. Body of female, excluding head and prothorax, ventral view. C. Body of female, lateral view. D. Abdominal end of female, dorsal view. E. Abdominal end of female, ventral view. F. Abdominal end of female, lateral view. G–H. Body of male, apterous form (G) and macropterous form (H), dorsal view. I. Body of male, excluding head and prothorax, ventral view. J. Basal part of right middle leg of male, ventral view. K. Proctiger of male, dorsal view. L. Left paramere, lateral aspect, two different views. Scale bars: A–J = 1 mm; K–L = 0.2 mm.

Fig. 27 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 27. Photographs of Rhyacobates edentatus Andersen & Chen, 1995 and relevant labels. A–B. Holotype, apterous female (NKUM). A. Habitus, dorsal view. B. Labels. C–D. Paratype, apterous male (NKUM). C. Habitus, dorsal view. D. Labels. Scale bar: A, C = 3 mm.

Fig. 8 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 8. Paramere of Rhyacobates spp. in lateral view. A. R. bui sp. nov. B. R. elongatus sp. nov. C. R. turgidus sp. nov. D. R. abdominalis Andersen & Chen, 1995. E. R. anderseni Tran & Yang, 2006. F. R. chinensis Hungerford & Matsuda, 1959. G. R. edentatus Andersen & Chen, 1995. H. R. lundbladi (Hungerford, 1957). I. R. malaisei Andersen & Chen, 1995. J. R. recurvus Andersen & Chen, 1995. K. R. scorpio Andersen & Chen, 1995. L. R. svenhedini (Lundblad, 1934). M. R. takahashii Esaki, 1923. Scale bar = 0.2 mm.

Fig. 7 in Taxonomic review of Rhyacobates Esaki, 1923, with descriptions of three new species (Hemiptera: Heteroptera: Gerridae)

Fig. 7. Proctiger of Rhyacobates spp. in dorsal view (males). A. R. gongvo Tran & Yang, 2006. B. R. undbladi (Hungerford, 1957). C. R. malaisei Andersen & Chen, 1995. D. R. recurvus Andersen & Chen, 1995. E. R. scorpio Andersen & Chen, 1995. F. R. svenhedini (Lundblad, 1934). G. R. takahashii Esaki, 1923. H. R. zetteli Tran & Nguyen, 2016. Scale bar = 0.2 mm.