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FIGURES 1–3 in Larval morphology and analysis of primary chaetotaxy in the genus Suphis Aubé, 1836 (Coleoptera: Noteridae)

FIGURES 1–3. Suphis cimicoides Aubé, 1837, instar I: (1) Habitus, dorsal aspect; (2) Cephalic capsule, dorsal aspect; (3) cephalic capsule, ventral aspect. Numbers and lowercase letters indicate primary setae and pores respectively. EB, egg burster; FR, frontoclypeus; PA, parietal; TP, tentorial pit. Scale bars = 0.50 mm for Fig. 1 and 0.10 mm for Figs 2–3.

FIGURES 11–12 in Larval morphology and analysis of primary chaetotaxy in the genus Suphis Aubé, 1836 (Coleoptera: Noteridae)

FIGURES 11–12. Suphis cimicoides Aubé, 1837, instar I: (11) Left metathoracic leg, anterior aspect; (12) Right metathoracic leg, posterior aspect. Numbers and lowercase letters indicate primary setae and pores respectively. Solid square indicates additional seta. CO, coxa; FE, femur; PT, pretarsus; TA, tarsus; TI, tibia; TR, trochanter. Scale bar = 0.10 mm.

FIGURES 19–25 in Redescription and neotype designation of Suphis fluviatilis Guignot, 1948 (Coleoptera: Dytiscoidea: Noteridae) and notes on other species of the genus

FIGURES 19–25. Habitus of Suphis species: (19–21) Suphis intermedius Régimbart, 1903, male from Brazil, Corumbá (ZSM): (19) Dorsal aspect; (20) ventral aspect; (21) lateral aspect; (22) S. intermedius Régimbart, 1903, female from Paraguay, Reserva Natural del Bosque Mbaracayú (LEBA), dorsal aspect; (23) detail of pronotal and elytral surface showing macro- and micropunctation; (24) holotype (by monotypy) of S. insculpturatus Zimmermann, 1921, dorsal aspect; (25) detail of pronotal and elytral surface showing macropunctation and absence of micropunctation. Scale bar = 1 mm.

FIGURES 1–5 in Redescription and neotype designation of Suphis fluviatilis Guignot, 1948 (Coleoptera: Dytiscoidea: Noteridae) and notes on other species of the genus

FIGURES 1–5. Habitus of Suphis species, dorsal aspect: (1) Neotype of Suphis fluviatilis Guignot, 1948; (2) Syntype of Suphis intermedius Régimbart, 1903 (specimen EC10413 from MNHN); (3) alleged holotype of Suphis fluviatilis Guignot, 1948, to which we added two labels as follows: "Suphis notaticollis / Zimmermann, 1921 / Urcola et al. det. 2023"; "This specimen is NOT / the holotype of Suphis / fluviatilis Guignot, 1948. / See Urcola et al. 2023"; (4) paratype of Suphis bullatus Guignot, 1950; (5) syntype of Suphis notaticollis Zimmermann, 1921. Figs 2–4: MNHN: Antoine Mantilleri, 2020. Fig. 5: ZSM: Ditta Amran Balke, 2022. Scale bar = 3 mm.

FIGURES 16–18 in Redescription and neotype designation of Suphis fluviatilis Guignot, 1948 (Coleoptera: Dytiscoidea: Noteridae) and notes on other species of the genus

FIGURES 16–18. Protarsomeres of Suphis fluviatilis Guignot, 1948, male from Paraguay, Fortín Patria: (16) Anterior aspect; (17) posterior aspect; (18) detail of suction cups on protarsomeres I–III, ventral aspect. Red arrows indicate suction cups. Scale bar = 0.1 mm.

FIGURES 12–15 in Redescription and neotype designation of Suphis fluviatilis Guignot, 1948 (Coleoptera: Dytiscoidea: Noteridae) and notes on other species of the genus

FIGURES 12–15. Morphological structures of Suphis species. (12–14) Suphis fluviatilis Guignot, 1948: (12) Pronotum (left side), dorsal aspect: a) with discal spots separated, male from Paraguay, Fortín Patria; b) with discal spots coalescent, neotype; (13) metaventrite and metacoxal processes, male from Paraguay, Fortín Patria; (14) genitalia, neotype: a) segment IX, right lateral aspect; b) left lateral lobe, right lateral aspect; c) right lateral lobe, right lateral aspect; d) median lobe, left lateral aspect; e) median lobe, dorsal aspect; f) median lobe, right lateral aspect. (15) Suphis intermedius Régimbart, 1903, genitalia, male from Brazil, Corumbá (ZSM): a) segment IX, right lateral aspect; b) left lateral lobe, right lateral aspect; c) right lateral lobe, right lateral aspect; d) median lobe, left lateral aspect; e) median lobe, dorsal aspect; f) median lobe, right lateral aspect. Scale bars = 0.25 mm.

FIGURES 6–11 in Redescription and neotype designation of Suphis fluviatilis Guignot, 1948 (Coleoptera: Dytiscoidea: Noteridae) and notes on other species of the genus

FIGURES 6–11. Habitus of Suphis fluviatilis Guignot, 1948 (Paraguay, Pozo Colorado). (6–8) Neotype male: (6) dorsal aspect; (7) ventral aspect; (8) lateral aspect; (9–11) female: (9) dorsal aspect; (10) ventral aspect; (11) lateral aspect. Scale bar = 1 mm.

FIGURES 13–16 in Larval morphology and analysis of primary chaetotaxy in the genus Suphis Aubé, 1836 (Coleoptera: Noteridae)

FIGURES 13–16. Suphis cimicoides Aubé, 1837, instar I: (13) Abdominal segment VIII, dorsal aspect; (14) Abdominal segment VIII and urogomphi, ventral aspect; (15) Urogomphi, dorsal aspect; (16) Urogomphi, ventral aspect. Numbers and lowercase letters indicate primary setae and pores respectively. AB, abdominal segment VIII; UR, urogomphus. Scale bars = 0.10 mm for Figs 13–14 and 0.02 mm for Figs 15–16.

FIGURES 17–20 in Larval morphology and analysis of primary chaetotaxy in the genus Suphis Aubé, 1836 (Coleoptera: Noteridae)

FIGURES 17–20. Suphis cimicoides Aubé, 1837, instar III: (17) Head, dorsal aspect; (18) Left prothoracic leg, anterior aspect; (19) Right prothoracic leg, posterior aspect; (20) Abdominal segment VIII, dorsal aspect. Numbers and lowercase letters indicate primary setae and pores respectively. Scale bars = 0.20 mm.

FIGURES 21–23 in Larval morphology and analysis of primary chaetotaxy in the genus Suphis Aubé, 1836 (Coleoptera: Noteridae)

FIGURES 21–23. Suphis cimicoides Aubé, 1837, instar III, habitus: (21) dorsal aspect; (22) ventral aspect; (23) lateral aspect. Scale bar = 0.50 mm.

FIGURES 4–10 in Larval morphology and analysis of primary chaetotaxy in the genus Suphis Aubé, 1836 (Coleoptera: Noteridae)

FIGURES 4–10. Suphis cimicoides Aubé, 1837, instar I: (4) Left antenna, dorsal aspect; (5) Right antenna, ventral aspect; (6) Left mandible, dorsal aspect; (7) Right maxilla, dorsal aspect; (8) Left maxilla, ventral aspect; (9) Labium, dorsal aspect; (10) Labium, ventral aspect. Numbers and lowercase letters indicate primary setae and pores respectively. AN, antenna; LA, labium; MN, mandible; MX, maxilla. Scale bars = 0.04 mm.