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180 results for “Sphaeridiinae”
A review of the Cercyon (Coleoptera: Hydrophilidae: Sphaeridiinae) of the Greater Antilles
<p>The representatives of the genus <em>Cercyon</em> Leach occurring in the Greater Antilles are reviewed. Ten species are recorded, of which five are described here as new: <em>C. gimmeli</em> <strong>sp. nov.</strong> (Dominican Republic), <em>C. armatipenis</em> <strong>sp. nov.</strong> (Dominican Republic), <em>C. taino</em> <strong>sp. nov.</strong> (Dominican Republic), <em>C. sklodowskae</em> <strong>sp. nov.</strong> (Jamaica) and <em>C. spiniventris</em> <strong>sp. nov.</strong> (Dominican Republic). Full occurrence data, additional images and COI barcode sequences are submitted to open access on-line depositories in an effort to provide access to complete data.<br> </p>
Fig. 6 in A review of the Asian species of the Cercyon unipunctatus group (Coleoptera: Hydrophilidae: Sphaeridiinae)
Fig. 6. Cercyon undulipennis sp. nov. A – dorsal and lateral habitus of paratype from China: Yunnan: Gaoligong Shan; B–D – male genitalia of the holotype (B – tegmen; C – median lobe; D – sternite 9). E–H – ventral morphology (E – meso- and metaventrite; F – detail of mesoventral plate; G – mentum; H – prosternum and antennal groove).
Figure 3 in Cercyon Leach, 1817 (Coleoptera: Hydrophilidae: Sphaeridiinae) from Brazil: new species and records
Figure 3. Cercyon curi sp. nov. Abdomem, (A) abdominal ventrites, scale = 0.5 mm; terminalia (B–F), (B) sternite 9; aedeagus (C–F), (C) lateral view; (D) dorsal view; (E) Phallobase and parameres in dorsal view; (F) median lobe in dorsal view, scale = 0.2 mm.
Linked collectors and determiners for: A review of the Asian species of the genus Pachysternum (Coleoptera: Hydrophilidae: Sphaeridiinae).
Natural history specimen data linked to collectors and determiners held within, "A review of the Asian species of the genus Pachysternum (Coleoptera: Hydrophilidae: Sphaeridiinae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/3fa772dc-c5b2-40c9-b28e-cd067ca9a3f6">https://bionomia.net/dataset/3fa772dc-c5b2-40c9-b28e-cd067ca9a3f6</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/3fa772dc-c5b2-40c9-b28e-cd067ca9a3f6">https://gbif.org/dataset/3fa772dc-c5b2-40c9-b28e-cd067ca9a3f6</a>. Formatted as a Frictionless Data package.
Figs. 1-7 in A new aberrant species of the genus Pacrillum from Nepal (Hydrophilidae: Sphaeridiinae: Megasternini)
Figs. 1-7. Pacrillum cycrilloideum sp. nov. 1-2 – habitus of paratype. 1– dorsal view; 2 – lateral view (the arrow shows a fine line of elytral series). 3-5 – male genitalia of holotype. 3 – tegmen; 4 – median lobe; 5 – sternite 9. 6 – microsculpture of pronotal interstices. 7 – ventral surface of paratype (from above: median part of prosternum, preepisternal elevation of mesothorax, and metaventrite).
Figs 54 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 54í62. First instar larva of Lachnodacnum luederwaldti Orchymont, 1937. 54í55 – antenna (54 – dorsal view, 55 – ventral view); 56í57 – maxilla (56 – ventral view, 57 – dorsal view); 58í59 – labium (58 – ventral view, 59 – dorsal view); 60 – right mandible, dorsal view; 61 – prosternum; 62 – mesothoracic leg, anterior view.
Figs 29 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 29í32.Adult morphology of Lachnodacnum luederwaldti Orchymont, 1937, SEM micrographs. 29 – mesofemur; 30 – apical portion of elytra; 31 – microsculpture of the clypeus; 32 – trichobothrium on the elytron.
Figs 18 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 18í23. Biology of Lachnodacnum luederwaldti Orchymont, 1937. 18 – micropool in the rosette of Neoregelia sp., a typical habitat; 19 – egg cases attached at the inner face of a bromeliad leaf; 20 – third instar larva and pupa in the detritus accumulated in the bromeliad rosette; 21í22 – pupa in the broken pupal chamber (21 – dorsal view; 22 – ventral view); 23 – adults staying submerged among bromeliad leaves in the rearing box. Figs 18í19, 23: photo B. Clarkson in Ubatuba Municipality, São Paulo; Figs 20í22: photo by F. F. Albertoni in Florianopolis, Santa Catarina.
Figs 15 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 15 í17. Aedeagus. 15 – Lachnodacnum luederwaldti Orchymont, 1937; 16 – L. saundersi Orchymont, 1937; 17 – Phaenostoma urichi (Scott, 1912).
Figs 11 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 11í14. Morphological details of Lachnodacnum Orchymont, 1937 and Phaenostoma Orchymont, 1937. 11í12 – hind wings (11 – Lachnodacnum luederwaldti Orchymont, 1937; 12 – Phaenostoma urichi (Scott, 1912)). 13í14 – detail of spiracular atrium of the third instar larva of L. luederwaldti.
Figs 1 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 1í10. General habitus of adults and larvae of Lachnodacnum Orchymont, 1937. 1í3 – adults of L. luederwaldti Orchymont, 1937 (1 – dorsal view, 2 – lateral view, 3 – dorsal view of the head). 4í8 – larva of L. luederwaldti (4 – third instar larva in dorsal view; 5 – same in ventral view; 6 – ¿rst instar in dorsal view; 7 – detail of head and thorax of third instar, dorsal view; 8 – same, ventral view). 9í10 – adults of L. saundersi Orchymont, 1937 (9 – dorsal view, 10 – lateral view).
Figs 63 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 63í64. Head capsule of the third instar larva of Lachnodacnum luederwaldti Orchymont, 1937. 63 – ventral view, 64 – dorsal view.
Fig. 75 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Fig. 75. Distribution of Lachnodacnum luederwaldti Orchymont, 1937, L. saundersi Orchymont, 1937 and Phaenostoma urichi (Scott, 1913).
Figs 51 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 51í53. Head capsule of the ¿rst instar larva of Lachnodacnum luederwaldti Orchymont, 1937. 51 – ventral view; 52 – dorsal view; 53 – detail of anterior margin of head capsule, dorsal view.
Figs 33 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 33í36. Mesoventral elevation of Lachnodacnum Orchymont, 1937, SEM micrographs. In ventral (33í34) and lateral (35í36) views. 33, 35 – L. luederwaldti Orchymont, 1937; 34, 36 – L. saundersi Orchymont, 1937 (arrow indicates the anepisternal suture).
Figs 40 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 40í45. First instar larva of Lachnodacnum luederwaldti Orchymont, 1937, SEM micrographs. 40 – whole larva in lateral view; 41 – thorax in lateral view; 42 – abdominal segments 7í10 (including abdominal tergite 8 and spiracular atrium) in dorsolateral view; 43 – head in dorsal view; 44 – labium and maxilla in ventral view; 45 – detail of the base of mandible, with basal inner cuticular spines.
Figs 65 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 65í71. Mouthparts of the third instar larva of Lachnodacnum luederwaldti Orchymont, 1937. 65í66 – antenna (65 – dorsal view; 66 – ventral view); 67í68 – maxilla (67 – ventral view, 68 – dorsal view); 69í70 – labium (69 – ventral view, 70 – dorsal view); 71 – right mandible, dorsal view.
Figs 72 in Taxonomy and biology of the bromeliad-inhabiting genus Lachnodacnum (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 72í74. Pupa of Lachnodacnum luederwaldti Orchymont, 1937. 72 – dorsal view; 73 – ventral view; 74 – detail of pronotal stylus. Abbreviations: Ms – stylus of pronotal margin; Ds – stylus of pronotal disc; Ab – abdominal segment.
Figs. 9–16 in Taxonomic revision of the New World species of the genus Oosternum Sharp (Coleoptera: Hydrophilidae: Sphaeridiinae) II. The Oosternum convexum species group
Figs. 9–16. Diagnostic characters of the Oosternum convexum species group. 9 – prosternum; 10 – elytral apex (arrow: elytral interval 2); 11 – detail of basal portion of epipleuron (note marginal denticulation); 12 – ventral surface of mesotibia (female); 13 – ditto male (arrow: multiplied spines in inner row); 14 – detail of elytral surface (arrows: small denticles at each serial puncture); 15 – terminal abdominal sclerites of male (st8: sternite 8; st9: sternite 9; ter8: tergite 8); 16 – head in lateral view. 9, 11, 14 – O. convexum sp. nov.; 10, 12 – O. simplex sp. nov.; 13, 15, 16 – O. intermedium sp. nov.
Fig. 2. Cercyon divisus Hebauer, 2002. A–C in A review of the Asian species of the Cercyon unipunctatus group (Coleoptera: Hydrophilidae: Sphaeridiinae)
Fig. 2. Cercyon divisus Hebauer, 2002. A–C – genitalia of specimen from Nepal: Taplejung Distr. (NMPC) (A – tergmen; B – median lobe; C – sternite 9). D–H – variability in the shape of male sternite 9 (D – China: Yunnan: Habashan; E – Nepal: Karnali Prov.; F – China: Yunnan: Maoniuping; G – China: Yunnan: Yulongshan; H – China: Sichuan: Moxi). I–P – ventral morphology (I–L – specimen from India: West Bengal: Darjeeling; M–P – specimen from China: Yunnan: Maoniuping): I, M – meso- and metaventrite; J, N – detail of mesoventral plate; K, O – mentum; L, P – prosternum and antennal groove.
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