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26 results for “Dactylosternum”
Figs 42–43 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 42–43. Phaenonotum exstriatum (Say, 1835), prothoracic leg of first instar larva. 42 – anterior view; 43 – posterior view. Scale bar = 0.05 mm.
Figs 46–48 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 46–48. Phaenonotum exstriatum (Say, 1835), chaetotaxy of third instar larva. 46 – detail of clypeolabrum; 47 – left antenna, dorsal view; 48 – right mandible, dorsal view. Scale bars: Figs 46, 48 = 0.1 mm, Fig. 47 = 0.05 mm.
Figs 44–45 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 44–45. Phaenonotum exstriatum (Say, 1835), chaetotaxy of the head capsule of the third instar larva. 44 – dorsal view; 45 – ventral view. Scale bar = 0.2 mm.
Figs 35–37 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 35–37. Phaenonotum exstriatum (Say, 1835), chaetotaxy of first instar larva. 35 – detail of clypeolabrum; 36 – left antenna, dorsal view; 37 – right mandible, dorsal view. Scale bars = 0.05 mm.
Figs 25–28 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 25–28. Dactylosternum cacti (LeConte, 1855), chaetotaxy of third instar larva. 25 – detail of clypeolabrum; 26 – left antenna, dorsal view; 27 – left mandible, dorsal view; 28 – right mandible, dorsal view. Scale bars = 0.1 mm.
Figs 13–16 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 13–16. Dactylosternum cacti (LeConte, 1855), chaetotaxy of first instar larva. 13 – detail of clypeolabrum; 14 – left antenna, dorsal view; 15 – left mandible, dorsal view; 16 – right mandible, dorsal view. Scale bars: Fig. 13 = 0.1 mm, Figs 14–16 = 0.05 mm.
Figs 17–20 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 17–20. Dactylosternum cacti (LeConte, 1855), chaetotaxy of first instar larva. 17 – left maxilla, dorsal view; 18 – maxilla, ventral view; 19 – labium, ventral view; 20 – labium, dorsal view. Scale bars = 0.05 mm.
Figs 11–12 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 11–12. Dactylosternum cacti (LeConte, 1855), chaetotaxy of the head capsule of the first instar larva. 11 – dorsal view; 12 – ventral view. Scale bar = 0.1 mm.
Figs 38–41 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 38–41. Phaenonotum exstriatum (Say, 1835), chaetotaxy of first instar larva. 38–39 – maxilla (38– dorsal view; 39 – ventral view). 40–41 – labium (40 – dorsal view; 41 – labium, ventral view). Scale bars = 0.05 mm.
FIGURES 11–16 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 11–16. Habitus of D. nanlingensis sp. nov. and D. songxiaobini sp. nov. 11–13: Habitus of D. nanlingensis sp. nov., holotype (11: ventral view, 12: lateral view, 13: frontal view), 14–16: Habitus of D. songxiaobini sp. nov., holotype (14: ventral view, 15: lateral view, 16: frontal view)
FIGURES 39–47 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 39–47. Morphology characters of Dactylosternum spp. SEM micrographs. 39–40: antennal club (39: D. nanlingensis sp. nov., 40: D. abdominale), 41–42: ventral surface of mesofemora (41: D. pui, 42: D. nanlingensis sp. nov.), 43–47: punctures on pronotum (43: D. pui, 44: D. songxiaobini sp. nov. (surface with two sizes of punctures, the blue arrow indicates the coarser puncture, the yellow arrow indicates the finer puncture), 45: D. nanlingensis sp. nov., 46: D. corbetti (arrow indicates two short divergent lines connected with a puncture), 47: D. abdominale (arrow indicates mesh-like microsculpture between punctures))
FIGURES 17-19 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 17-19. Morphology of Dactylosternum spp. 17: hind wing of D. nanlingensis sp. nov., 18–19: Anterior margin of clypeus of D. hydrophiloides and D. pseudolatum sp. nov. (18: D. hydrophiloides (arrow indicates the marginal rim on anterior margin of clypeus), 19: D. pseudolatum sp. nov. (without marginal rim on anterior margin of clypeus))
FIGURES 64–69 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 64–69. Habitats of Dactylosternum spp. 64, 66: individual specimen of D. nanlingensis sp. nov. on the surface of a fallen wood in forest at night, 65: habitats of D. abdominale (Fabricius, 1792), D. corbetti Balfour-Browne, 1942 and D. hydrophiloides (MacLeay, 1825), specimens hiding in a decaying banana tree, 67: D. abdominale, 68: D. corbetti, 69: D. hydrophiloides. Figures 64, 66 photo by Mr. Bao-Ping Huang in Ruyuan County, Tianjingshan National Forest Park.
FIGURES 1–4 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 1–4. Habitus of Dactylosternum spp. from China and Japan. 1: D. abdominale (Fabricius, 1792), 2: D. corbetti Balfour-Browne, 1942, 3: D. nanlingensis sp. nov., 4: D. pui Jia, 2002
FIGURES 33–38 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 33–38. Aedeagus of D. latum (dorsal view). 33: from Hunan, Shimen County, 34: syntype, 35: from Guangxi, 36: holotype of D. vitalisi, 37: from Hunan, Shimen County, 38: from Yunnan
FIGURES 48–63 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 48–63. Morphology characters of Dactylosternum spp. SEM micrographs. 48–50: mediobasal portion of elytron (48: D. songxiaobini sp. nov. (red arrows show primary serial punctures, green arrows show secondary serial punctures), 49: D. nanlingensis sp. nov., 50: D. corbetti), 51–55: punctures on posterior half of elytron (51: D. hydrophiloides (the red arrow indicates the ground puncture, the blue arrow indicates the micropuncture), 52: D. pseudolatum sp. nov., 53: D. salvazai, 54: D. latum, 55: D. frater sp. nov.), 56–59: anteromedial portion of metaventrite (56: D. pseudolatum sp. nov., 57: D. salvazai, 58: D. latum, 59: D. frater sp. nov.), 60–63: posteromedial portion of ventrite 5 (60: D. pseudolatum sp. nov., 61: D. salvazai, 62: D. latum, 63: D. frater sp. nov.)
FIGURES 70–71 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 70–71. Habitus of Dactylosternum spp. 70: Dactylosternum auripes Fauvel, 1883, 71: Dactylosternum dytiscoides (Fabricius, 1775)
FIGURES 25–29 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 25–29. Aedeagus of Dactylosternum spp. and type specimen. 25: D. salvazai (25a: ventral view, 25b: dorsal view, 25c: ventral plate), 26: D. frater sp. nov., holotype (26a: ventral view, 26b: dorsal view, 26c: ventral plate), 27–29: D. pseudolatum sp. nov. (27: from Guangdong, 28: from Hainan, 27a, 28a: ventral view, 27b, 28b: dorsal view, 27c, 28c: ventral plate of the median lobe), 29: aedeagus of paratype of D. vitalisi (dorsal view)
FIGURES 20–24 in Review of Dactylosternum Wollaston, 1854 from China and Japan (Coleoptera, Hydrophilidae, Sphaeridiinae)
FIGURES 20–24. Aedeagus of Dactylosternum spp. 20: D. abdominale (specimen from Yonaguni-jima Island, Japan, dorsal view, showing variation of apex of paramera) 21: D. corbetti, 22: D. pui (phallobase missing), 23: D. nanlingensis sp. nov., paratype (23a: ventral view, 23b: dorsal view), 24: D. hydrophiloides
Figs 49–52 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 49–52. Phaenonotum exstriatum (Say, 1835), chaetotaxy of third instar larva. 49–50 – maxilla (49 – dorsal view; 50 – ventral view); 51–52 – labium (51 – dorsal view; 52 – ventral view). Scale bars = 0.1 mm.
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