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22 results for “Phaenonotum”
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.
Fig. 15 in Description of a new species of Phaenonotum from eastern Cuba (Coleoptera: Hydrophilidae: Sphaeridiinae)
Fig. 15. Known distribution of Phaenonotum delgadoi sp. nov. in Cuba.
Multiple origin of the Phaenonotum beetles in the Greater Antilles (Coleoptera: Hydrophilidae): phylogeny, biogeography and systematics
<p>The systematics and the phylogenetic position of the Caribbean representatives of <em>Phaenonotum</em> Sharp (Coleoptera: Hydrophilidae) are investigated in order to understand the composition of the Caribbean fauna and its origin. Phylogenetic analysis based on mitochondrial and nuclear genes has revealed the Caribbean species to be situated in three deeply nested clades, inferring multiple colonization of Caribbean islands from the continent. Time-tree analysis and BioGeoBEARS analyses of ancestral ranges estimated the oldest clade, consisting of wingless single-island endemics of Cuba (<em>P. delgadoi</em>), Jamaica (<em>P. ondreji</em> <strong>sp. nov.</strong>) and Hispaniola (<em>P. laterale</em> <strong>sp. nov.</strong>), to have diverged ca. 46.6 Ma from the South American ancestor and subsequently colonizing the Caribbean most likely via the GAARlandia land bridge connecting South America with Greater Antilles. The remaining three Caribbean species, including the Puerto Rican endemic, <em>P. borinquenum</em> <strong>sp. nov.</strong>, are of more recent (Miocene to Pliocene) origin and colonized the Greater Antilles by over-water dispersal. All the Caribbean species are illustrated and diagnosed and three new species are described. The genus <em>Phaenonotum</em>, excluding <em>P. caribense</em> Archangelsky, is confirmed as a monophylum. We demonstrate that species-level taxonomy of <em>Phaenonotum</em> is difficult to solve by morphology alone, and ideally requires the combination of morphology and molecular markers.</p>
Figs 1−8 in Description of a new species of Phaenonotum from eastern Cuba (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 1−8. Habitus and genitalia of Phaenonotum species from Cuba and Florida. 1−3 − P. delgadoi sp. nov. (1 – dorsal view, 2 – lateral view, 3 – anterodorsal view). 4–5 – P. minor Smetana, 1978 (4 – lateral view, 5 – anterodorsal view). 6–8 – aedeagophores (6 – P. delgadoi sp. nov., 7 – P. minor Smetana, 1978, 8 – P. exstriatum (Say, 1835).
Figs 9−14 in Description of a new species of Phaenonotum from eastern Cuba (Coleoptera: Hydrophilidae: Sphaeridiinae)
Figs 9−14. Morphology and habitat of Phaenonotum. 9–11 – meso-metaventral process (9 – P. delgadoi sp. nov., 10 – P. minor Smetana, 1978, 11 – P. exstriatum (Say, 1835)), 12–13 – detail of pronotum and elytron surface of Cuban Phaenonotum (12 – P. delgadoi sp. nov., 13 − P. exstriatum (Say, 1835)), 14 – habitat and type locality of P. delgadoi sp. nov.: Finca La Delicia, El Yunque, Baracoa, Guantánamo Province (photo by M. Fikáček, 4th July 2012).
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.
Figs 29–32 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 29–32. Dactylosternum cacti (LeConte, 1855), chaetotaxy of third instar larva. 29 – maxilla, dorsal view; 30 – maxilla, ventral view; 31 – labium, dorsal view; 32 – labium, ventral view. Scale bars: Figs 29–30 = 0.1 mm, Figs 31–32 = 0.05 mm.
Figs 23–24 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 23–24. Dactylosternum cacti (LeConte, 1855), chaetotaxy of the head capsule of the third instar larva. 23 – dorsal view; 24 – ventral view. Scale bar = 0.5 mm.
Figs 33–34 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 33–34. Phaenonotum exstriatum (Say, 1835), chaetotaxy of the head capsule of the first instar larva. 33 – dorsal view; 34 – ventral view. Scale bar = 0.1 mm.
Figs 21–22 in Primary chaetotaxy and larval morphometry of Phaenonotum exstriatum and Dactylosternum cacti (Coleoptera: Hydrophilidae)
Figs 21–22. Dactylosternum cacti (LeConte, 1855), prothoracic leg of first instar larva. 21 – anterior view; 22 – posterior view. Scale bar = 0.05 mm.
Figure 4 from: Deler-Hernández A, Fikáček M (2016) Redescriptions and lectotype designations of Central American species of Phaenonotum Sharp (Coleoptera, Hydrophilidae) based on the type material from the David Sharp collection. ZooKeys 579: 83-98. https://doi.org/10.3897/zookeys.579.7748
Figure 4 - Aedeagus. a Phaenonotum apicale Sharp (Lectotype) b Phaenonotum collare Sharp (Lectotype) c Phaenonotum dubium Sharp (Lectotype) d Phaenonotum exstriatum (Say) (specimen from Haiti) e Phaenonotum laevicolle Sharp (Lectotype) f Phaenonotum rotundulum Sharp (Lectotype) g Phaenonotum tarsale Sharp (Lectotype).
Figure 3 from: Deler-Hernández A, Fikáček M (2016) Redescriptions and lectotype designations of Central American species of Phaenonotum Sharp (Coleoptera, Hydrophilidae) based on the type material from the David Sharp collection. ZooKeys 579: 83-98. https://doi.org/10.3897/zookeys.579.7748
Figure 3 - Meso-metaventral process. a Phaenonotum apicale Sharp (Lectotype) b Phaenonotum collare Sharp (Lectotype) c Phaenonotum laevicolle Sharp (Lectotype) d Phaenonotum rotumdulum Sharp (Lectotype) e Phaenonotum tarsale Sharp (Lectotype) f Phaenonotum exstriatum (Say).
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