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FIGURE 5. A in New synonyms and a new subspecies of Macrogomphus Selys, 1858 (Odonata: Gomphidae) from continental south-east Asia

FIGURE 5. A small male of Macrogomphus albardae of the ringed morph, collected by the author on 21 viii 2018 in Cambodia, Preah Vihear Province, Srae Veal village env.: a—habitus in live colours, dorsal view; b—ditto, lateral view (not to scale); canal appendages, dorsal view; d—ditto, lateral view; e—secondary genitalia, lateral view; f—posterior hamulus, anteriolateral view. Scale bars: upper 2 mm; lower 0.5 mm.

FIGURE 9 in New synonyms and a new subspecies of Macrogomphus Selys, 1858 (Odonata: Gomphidae) from continental south-east Asia

FIGURE 9. Details of the holotype of Macrogomphus borikhanensis Fraser, 1933 (BMNH): a—anal appendages, dorsal view; b—ditto, lateral view; c—secondary genitalia, lateral view; d—anal appendages as depicted by Fraser (1933: fig. 8a, c) (the same as Fig. 2c). Not to scale. Courtesy of Benjamin Price.

FIGURE 11 in New synonyms and a new subspecies of Macrogomphus Selys, 1858 (Odonata: Gomphidae) from continental south-east Asia

FIGURE 11. Anal appendages of males of Macrogomphus albardae reported as M. matsukii Asahina, 1986, by Yokoi (2002; Yokoi & Sopuhanthong 2014) from Laos, Vientiane Prefecture, 10 km NW of Tabok, 3 v 2001, N. Yokoi leg., courtesy of Naoto Yokoi (a–b), by Kosterin et al. (2011) from Thailand, Nakhon Ratchasima Province, Nong Bun Nak village, viii 2009, Alexey Korshunov leg. (c); and by Kompier (2018) from Vietnam, Lâm Đồng Province, Cát Tiên National Park, Ben Cuu Rapids, 3 v 2018, J. Holden leg. (d). Not to scale.

FIGURE 3 in New synonyms and a new subspecies of Macrogomphus Selys, 1858 (Odonata: Gomphidae) from continental south-east Asia

FIGURE 3. Anal appendages (a–h) and secondary genitalia (j–k) of Macrogomphus albardae as illustrated in literature: aafter Lieftinck (1935: fig. 9) (as M. parallelogramma albardae); b—after Orr (2005: p. 64) (as M. parallelogramma albardae); c—after Fraser (1933: fig. 8a, c) (as M. borikhanensis); d—after Asahina (1986: fig. 8–9) (as? M. phalantus): e, j—after Asahina (1986: fig. 4–6) (as M. borikhanensis); f, i—after Chao (1982: fig. 1, 3, 6) (as M. guilinensis); g—after Wilson (2005: fig. 17 d, e) (as M. guilinensis); h—after Karube (2014: fig. 13) (as M. guilinensis). Not to scale; j mirrored. Asterisk indicates the proximal inner swelling of the cercus.

FIGURE 15 in New synonyms and a new subspecies of Macrogomphus Selys, 1858 (Odonata: Gomphidae) from continental south-east Asia

FIGURE 15. Details of male specimens of Macrogomphus phalantus: a–f—M. p. jayavarman subsp; nov., the holotype; gh—M. p. phalantus (After Lieftinck 1935: figs.11–12); a—head, frontal view; b–c,g—secondary genitalia, lateral view; d—anal appendages, dorsal view; e—ditto, lateral view; f—ditto, ventral view; h—dorsal and lateral view. Scale bar 1 mm. Asterisk indicates the proximal inner swellings of the cerci.

FIGURES 21–24 in Diaphanosoma senegal Gauthier, 1951 (Crustacea: Cladocera: Sididae) in South-East Asia

FIGURES 21–24. Diaphanosoma senegal isanensis ssp. nov., female (pond, Lue Amnat dt., Amnat Charoen Province, Thailand)

FIGURES 15–20 in Diaphanosoma senegal Gauthier, 1951 (Crustacea: Cladocera: Sididae) in South-East Asia

FIGURES 15–20. Diaphanosoma senegal isanensis ssp. nov., females (pond, Lue Amnat dt., Amnat Charoen Province, Thailand)

FIGURES 10–14 in Diaphanosoma senegal Gauthier, 1951 (Crustacea: Cladocera: Sididae) in South-East Asia

FIGURES 10–14. Diaphanosoma senegal isanensis ssp. nov., females (10, left-pond at Phon Pang, Akat Amnuai dt., Sakon Nakhon Province, Thailand; 10, second-fifth from the left, 13-pond, Lue Amnat dt., Amnat Charoen Province, Thailand; 10, two from the right-pools in tropical forest of Nam Cat Tien National Park,Vietnam; 11-temporary pond at Ban Thatoom, Muang dt., Maha Sarakham Province, Thailand; 12-roadside pond near km 84, Lam Plai Mat dt., Buriram Province, Thailand; 14, left and right-temporary pond at Ban Donwua, Tawatchabury dt., Roi Et Province, Thailand; 14, middle-pools in tropical forest of Nam Cat Tien National Park, Vietnam)

FIGURES 1–9 in Diaphanosoma senegal Gauthier, 1951 (Crustacea: Cladocera: Sididae) in South-East Asia

FIGURES 1–9. Diaphanosoma senegal isanensis ssp. nov., females (1-pond at Phon Pang, Akat Amnuai dt., Sakon Nakhon Province, Thailand; 2, 3, 8, 9 right- pond, Lue Amnat dt., Amnat Charoen Province, Thailand; 4-temporary pond at Ban Eiat, Muang dt., Maha Sarakham Province, Thailand; 5, 6, 7- temporary pond at Ban Donwua, Tawatchabury dt., Roi Et Province, Thailand; 9, left- pools in tropical forest of Nam Cat Tien National Park, Vietnam)

FIGURE 15. A–F in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 15. A–F, Notoalona globulosa globulosa (Daday, 1898). A, lateral view. B, head pores. C, labrum. D, postabdomen. E, antenna. F, IDL of limb I. G–H, Notoalona pseudomacronyx Van Damme, Maiphae & Sa-Adrit, 2013. G, lateral view, H, postabdomen. I–M, Oxyurella singalensis (Daday, 1898). I, lateral view. J, head pores. K, postabdomen. L, postanal margin of postabdomen. M, IDL and ODL of limb I. N–P, Salinalona sarasinorum (Stingelin, 1900). N, lateral view. O, postabdomen. P, IDL and ODL of limb I. (Orig.)

FIGURE 12. A–D in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 12. A–D. Kurzia longirostris (Daday, 1898) A, lateral view. B, head pores. C, labrum. D, postanal margin of postabdomen (lateral setulae not shown). E–F. Leydigia ciliata (Gauthier, 1939). E, lateral view. F, postabdomen. G–I. Leberis diaphanus (King, 1853). G, lateral view. H, postabdomen. I, IDL of limb I. J, Leberis punctatus (Daday, 1898) IDL and ODL of limb I. (Orig.).

FIGURE 10. A–E in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 10. A–E. Euryalona orientalis (Daday, 1898). A, lateral view. B, head pores. C, postabdomen. D, postanal margin of postabdomen. E, antenna. F, IDL of limb I. F–H, Flavalona costata (Sars, 1862). F, lateral view. G, head pores. H, postabdomen. I, Flavalona cheni (Sinev, 1999), head pores. J–L. Graptoleberis testudinaria (Fischer, 1851), J, lateral view. K, posteroventral corner of valves. L, postabdomen. (A–E, J–L, orig.; F–H, from Sinev et al., 2015; I, from Sinev (1999)).

FIGURE 14. A in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 14. A, Monospilus dispar Sars, 1862, lateral view. B–E. Nicsmirnovius eximius (Kiser, 1948). B, lateral view. C, head pores.D, postabdomen. E, IDL of limb I. F–I. Ovalona cambouei (Guerne & Richard, 1893). F, lateral view. G, head pores. H, postabdomen. I, IDL and ODL of limb I. J–L. Ovalona archeri (Sars, 1888). J, lateral view. K, head pores. L, postabdomen. (A–E, orig.; F–I, from Sinev (2015); J–L, from Sinev (2002)).

FIGURE 11. A–E in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 11. A–E. Karualona karua (King, 1853) s. lato. A, lateral view. B, posteroventral corner of valves. C, postabdomen. D, antenna. E, IDL and ODL of limb I. F–H. Karualona kwangsiensis (Chiang, 1963). F, lateral view. G, posteroventral corner of valves. H, head pores. I–K. Karualona serrata Van Damme, Maiphae & Sa-Adrit, 2013. I, lateral view. J, posteroventral corner of valves. K, postabdominal claw. Kurzia brevilabris Rajapaksa & Fernando, 1986. L, lateral view. M, head pores. N, postabdomen. O, postanal margin of valves. P, antenna. (A–E, from Sinev et al. (2015); F–H, L–O, orig. I–K, from Sinev & Korovchinsky (2013)).

FIGURE 13. A–B in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 13. A–B, Leydigiopsis pulchra Van Damme & Sinev, 2013. A, lateral view. B, postabdomen. C–G. Magnaspina siamensis (Sinev & Sanoamuang, 2007). C, lateral view. D, posteroventral corner of valves. E, head pores. F, postabdomen. G, IDL and ODL of limb I. H–K, Matralona freyi (Idris & Fernando, 1981). H, lateral view. I, labrum. J, postabdomen. K, IDL and ODL of limb I. (A–B—from Van Damme & Sinev (2013); C–G, from Sinev & Sanoamuang (2007), H–K, from Sinev & Kotov (2012)).

FIGURE 7. A–C in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 7. A–C, Anthalona milleri (Kiser, 1948). A, head pores. B, postabdomen. C, IDL setae of limb I. D–H. Antalona sanoamuangae Sinev & Kotov, 2012. D, lateral view. E, head pores. F, labrum. G, postabdomen. H, IDL and ODL of limb I. I– M. Anthalona spinifera Tiang-nga, Sinev & Sanoamuang, 2016. I, lateral view. J, head pores. K, labrum. L, postabdomen. M, IDL and ODL of limb I. (A–C, after Van Damme (2016); D–H, from Sinev & Kotov (2012); I–M, from Tiang-nga et al. (2016)).

FIGURE 9. A–D in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 9. A–D. Coronatella acuticostata (Sars, 1903). A, lateral view. B, posteroventral corner of valves. C, postabdomen. D, IDL and ODL of limb I. E–H. Coronatella rectangula (Sars, 1862). E, lateral view. F, head pores. G, postabdomen. H, IDL of limb I. I–L, Coronatella trachystriata (Chen, Zhang & Liu, 1994). I, lateral view. J, head pores. K, postabdomen. L, IDL and ODL of limb I. M–O, Coronatella sp. M, lateral view. N, postabdomen. O, IDL and ODL of limb I. (A–D, from Sinev & Yusoff, 2015; E–H, orig.; I–L, from Sinev et al (2015); M–O, from Sinev & Kotov (2012)).

FIGURE 6. A–D in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 6. A–D, Alona guttata Sars, 1862. A, lateral view. B, head pores. C, postabdomen. D, IDL and ODL of limb I. E–H, Alona intermedia Sars, 1862. E, lateral view. F, head pores. G, postabdomen. H, IDL of limb I. I–M, Antalona harti harti Van Damme, Sinev & Dumont, 2011. I, lateral view. J, head pores. K, labrum. L, postabdomen. M, IDL and ODL of limb I. N–R, Antalona obtusa Van Damme, Sinev & Dumont, 2011. N, lateral view. O, head pores. P, labrum. Q, postabdomen. R, IDL of limb I. (A–H—orig., I–M—from Sinev & Kotov (2012); N–R— after Van Damme et al. (2011)).

FIGURE 8. A–C in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 8. A–C. Armatalona macrocopa (Sars, 1894). A, lateral view. B, postabdomen. C, antenna. D–F, Camptocercus vietnamensis Thanh, 1980. D, lateral view. E, postabdomen. F, postanal margin of postabdomen. G–H, Camptocercus uncinatus Smirnov, 1971. G, postabdomen. H, postanal margin of postabdomen. I–L, Celsinotum macronyx (Daday, 1898). I, lateral view. J, head pores. K, postabdomen. L, antenna. (A–C, from Sinev et al., 2007; D–F, from Sinev, 2011; G–H, from Sinev (2014); I– L, from Sinev & Kotov (2012)).

FIGURE 5. A–D in Key for identification of Cladocera of the subfamily Aloninae (Anomopoda: Chydoridae) from South-East Asia

FIGURE 5. A–D, Acroperus africanus Neretina & Kotov, 2015. A, lateral view. B, posteroventral corner of valves. C, postabdomen. D, antenna. E, Acroperus harpae (Baird, 1834), antenna. F–I, Alona affinis (Leydig, 1860) s. lato. F, lateral view. G, head pores. H, postabdomen. I, IDL and ODL of limb I. J–M. Alona kotovi Sinev, 2012. J, lateral view. K, head pores. L, postabdomen. M, IDL and ODL of limb I. (A–D, F–I—orig.; E—from Sinev (2009b); J–M—from Sinev (2012))