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712 results for “Beetle diversity”
Linked collectors and determiners for: Cryptic diversity in the Azorean beetle genus Tarphius Erichson, 1845 (Coleoptera: Zopheridae): An integrative taxonomic approach with description of four new species.
Natural history specimen data linked to collectors and determiners held within, "Cryptic diversity in the Azorean beetle genus Tarphius Erichson, 1845 (Coleoptera: Zopheridae): An integrative taxonomic approach with description of four new species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/da470064-d7e2-4b0e-a052-e7d00dade0ec">https://bionomia.net/dataset/da470064-d7e2-4b0e-a052-e7d00dade0ec</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/da470064-d7e2-4b0e-a052-e7d00dade0ec">https://gbif.org/dataset/da470064-d7e2-4b0e-a052-e7d00dade0ec</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Cryptic diversity in the North American Dromochorus tiger beetles (Coleoptera: Carabidae: Cicindelinae): a congruence-based method for species discovery.
Natural history specimen data linked to collectors and determiners held within, "Cryptic diversity in the North American Dromochorus tiger beetles (Coleoptera: Carabidae: Cicindelinae): a congruence-based method for species discovery". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/9d667866-47c7-4e0c-9fa9-22a0e202f36c">https://bionomia.net/dataset/9d667866-47c7-4e0c-9fa9-22a0e202f36c</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/9d667866-47c7-4e0c-9fa9-22a0e202f36c">https://gbif.org/dataset/9d667866-47c7-4e0c-9fa9-22a0e202f36c</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: From Europe to Caucasus: cryptic diversity and unexpected biogeographic history of a Western Palaearctic moss-inhabiting flea beetle (Chrysomelidae: Mniophila).
Natural history specimen data linked to collectors and determiners held within, "From Europe to Caucasus: cryptic diversity and unexpected biogeographic history of a Western Palaearctic moss-inhabiting flea beetle (Chrysomelidae: Mniophila)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/424d5dfc-58a9-4350-ac78-0195bea07487">https://bionomia.net/dataset/424d5dfc-58a9-4350-ac78-0195bea07487</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/424d5dfc-58a9-4350-ac78-0195bea07487">https://gbif.org/dataset/424d5dfc-58a9-4350-ac78-0195bea07487</a>. Formatted as a Frictionless Data package.
Figure 1 in The beetles of Martinique, Lesser Antilles (Insecta: Coleoptera); diversity and distributions
Figure 1. The islands of the central and eastern West Indies and adjacent continental land masses, showing in the east the main island arc of the Lesser Antilles and the relative position of Martinique in that island chain.
Figure 1 in The diversity and distributions of the beetles (Insecta: Coleoptera) of the northern Leeward Islands, Lesser Antilles (Anguilla, Antigua, Barbuda, Nevis, Saba, St. Barthélemy, St. Eustatius, St. Kitts, and St. Martin-St. Maarten
Figure 1. The islands of the central and eastern West Indies and adjacent continental land masses, showing in the east the main island arc of the Lesser Antilles.
Figure 14 in Diversity and distribution of the scarab beetle tribe Phanaeini in the northern states of the Brazilian Northeast (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 14. Schematic cross-section diagram of the distribution of Phanaeini species by habitat type and elevation in Ceará, Maranhão and Piauí.
Figure 15-16. Rank abundance chart for Phanaeini species. 15 in Diversity and distribution of the scarab beetle tribe Phanaeini in the northern states of the Brazilian Northeast (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 15-16. Rank abundance chart for Phanaeini species. 15) Recorded in Ceará during February-June 2008. Light grey indicates specimens observed in Atlantic forest; dark grey indicates specimens observed in caatinga. 16) Recorded in Maranhão during February and May 2008. All specimens were broadly observed in cerrado habitat (see species accounts for details).
Figure 7-13. Habitus images. 7 in Diversity and distribution of the scarab beetle tribe Phanaeini in the northern states of the Brazilian Northeast (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 7-13. Habitus images. 7) Coprophanaeus cyanescens (Olsoufieff, 1924) male specimen from Maranguape, São Benedito, Sanctuario da Nossa Senhora de Penha (CE). 8) Coprophanaeus acrisius (Macleay, 1819) male specimen from Santa Quiteria de Maranhão, Fazenda Rodiador (MA). 9) Coprophanaeus dardanus (Macleay, 1819) male specimen from Baturité, Uirapuru (CE). 10) Coprophanaeus (Metallophanaeus) pertyi (Olsoufieff, 1924) male specimen from Maranguape, Tabatinga (CE). 11) Diabroctis mimas (Linnaeus, 1767) male specimen from Maranguape, Piraponga (CE). 12-13) Phanaeus melibaeus Blanchard, 1843 male specimen from Santa Quiteria de Maranhão, Fazenda Rodiador (MA). Photographs by M.P.T. Gillett.
Figure 2-6. Habitats. 2 in Diversity and distribution of the scarab beetle tribe Phanaeini in the northern states of the Brazilian Northeast (Coleoptera: Scarabaeidae: Scarabaeinae)
Figure 2-6. Habitats. 2) An opening in the caatinga habitat in the vicinity of Tabatinga, Maranguape, 126 m (CE), where Coprophanaeus pertyi occurs sympatrically with C. cyanescens and Diabroctis mimas. April 2008. 3) Habitats at Maranguape, São Benedito, Sanctuario da Nossa Senhora de Penha, (CE). In the foreground open caatinga area where Coprophanaeus pertyi, C. cyanescens and Dibroctis mimas occur. In the background, on the hills, Atlantic forest where C. cyanescens, C. dardanus and D. mimas occur. March 2008. 4) A typical area of 'chapada' at Fazenda Rodiador in the Santa Quiteria de Maranhão municipality (MA). May 2008. This cerrado biotope is the habitat of Coprophanaeus acrisius. 5) Open grassland/palm forest within the cerrado habitat at Fazenda Rodiador in the vicinity of Santa Quiteria de Maranhão (MA). May 2008. This is the habitat for Phanaeus melibaeus. 6) Atlantic forest habitat at Uirapuru, Serra de Baturité, 620 m (CE), where Coprophanaeus cyanescens occurs sympatrically with C. dardanus. April 2008. Photograph 2-3, 6 by C.P.D.T. Gillett and 4-5 by M.P.T. Gillett.
Figrue 2 in The diversity and distributions of the beetles (Insecta: Coleoptera) of the Guadeloupe Archipelago (Grande-Terre, Basse-Terre, La Désirade, Marie-Galante, Les Saintes, and Petite-Terre), Lesser Antilles
Figrue 2. Outline map of physical relationships of the individual islands of the Guadeloupe Archipelago. Note the -200 isobath lines indicating the extent of the Guadeloupe Bank. This approximately shows the maximum of the increased areas of the islands during Pleistocene glacials, when sea levels were lower than at present, and only three separate islands ("Grand Guadeloupe," and Les Saintes, and Marie-Galante) existed (Clark et al. 2009).
Figure 1 in The diversity and distributions of the beetles (Insecta: Coleoptera) of the Guadeloupe Archipelago (Grande-Terre, Basse-Terre, La Désirade, Marie-Galante, Les Saintes, and Petite-Terre), Lesser Antilles
Figure 1. The islands of the central and eastern West Indies and adjacent continental land masses, showing in the east the main island arc of the Lesser Antilles and the location of the Guadeloupe Archipelago.
Figure 4 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions
Figure 4. General fluctuation of relative sea levels (RSL) in the later part of the Pleistocene, derived from Waelbroeck et al. (2002) and Shackleton (2000) by Lascu (2005). This shows how varying were the sea levels (and thus island shorelines and island areas) through the last quarter of the Pleistocene. The result is that at times of lower sea levels during global glacials the islands of the Lesser Antilles had more exposed land and were closer to each other and overwater dispersal between islands was facilitated. Additionally, over this time span the higher islands of the southern islands were increasing in area and elevation through volcanic activity.
Figure 5 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions
Figure 5. The larger and sometimes connected paleo-islands of the eastern West Indies at times of maximum low sea levels during the last glacial, about 26,000 to 20,000 yBP. Some of the present islands of the Lesser Antilles thus had considerably larger areas and were joined with other islands on their marine bank as continuous land, and the islands were closer to each other. The glacial low sea levels approximated the insular shelf margins. The isobath (depth) line is shown here at -200 m below the present sea level. The evidence for sea level depression in the last glacial is for a decrease of as much as -150 m (Clark et al. 2009). The larger island areas are the exposed submarine banks that represent the true biogeographic islands that were isolated from each other. Note that some of the islands paralleling the north coast of South America were still isolated by seawater and were thus oceanic islands, even though they lie on or near the continental shelf of South America.
Figure 1 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions
Figure 1. The islands of the West Indies and adjacent continental land masses, showing in the east the main north-south island arc of the Lesser Antilles.
Figure 3 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions
Figure 3. Detailed map of the smaller and northern islands of the Leeward Islands, at the northern end of the Lesser Antilles.
Figure 2 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions
Figure 2. Areconstruction of a possible configuration of land in the Eocene-early Oligocene, 35-33 myBP. The eastward moving West Indies seafloor plate overrides the westward moving American plate that descends into a trench east of the Lesser Antilles. The subducted rocks are the source of the volcanic eruptions that have formed the present islands of the Lesser Antilles. The indicated emergent land is hypothetical and no clear evidence exists to indicate that beetles existed on this land and persisted to the present. The outlines show the present Lesser Antilles, but they did not exist at the time shown for the reconstruction. Modified from Iturralde-Vinent and MacPhee (2006) and Genaro (2008).
Figure 6 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions
Figure 6. Darlington (1957) proposed, as a "rule of thumb", that there exists, within a given region of relatively uniform climate, an orderly relation between the size of a sample area and the number of species found in that area, that there is a doubling of species numbers with each 10 times increase in island area. This was generalized as: (S = CAz) where C = 170. 5 andz = 0. 301 (MacArthur & Wilson, 1967) whichis shown as the regression line. Montserrat is the key reference datum point for anchoring this species-area regression line (Ivie et al, 2008a). This represents the hypothetical saturation number of species that might be expected to occur on an island of a designated area. Data points are for present day islands and island areas. The position of the data points for all the islands other than Montserrat fall under this line, which shows that more species would be expected on each island if it has the expected natural saturation number of species. The difference between the regression line and each data points suggests how many additional species might be expected with a complete knowledge of each island's fauna. These "undiscovered species" numbers are given in Table 2.
Fig. 3 in Environmental and geographic factors driving dung beetle (Coleoptera: Scarabaeidae: Scarabaeinae) diversity in the dipterocarp forests of Peninsular Malaysia
Fig. 3. Rank abundance curves of dung beetle species at each of the eight sampling sites: BFR, NGAFR, rGTFR, ¯KSFR, uRBFR, £SFR, ▲TFR, and lUGFR.
Fig. 4 in Environmental and geographic factors driving dung beetle (Coleoptera: Scarabaeidae: Scarabaeinae) diversity in the dipterocarp forests of Peninsular Malaysia
Fig. 4. NMDS ordination based on the Bray-Curtis distance metric with beetle captures grouped by species (A), genera (B), and tribes (C). Note that the sampling effort at TFR was much greater than sampling effort at the other seven sites.
Fig. 1 in Environmental and geographic factors driving dung beetle (Coleoptera: Scarabaeidae: Scarabaeinae) diversity in the dipterocarp forests of Peninsular Malaysia
Fig. 1. Locations of the eight dipterocarp forest sites where dung beetle sampling occurred in Peninsular Malaysia: BFR = Berembun Forest Reserve, GAFR = Gunung Angsi Forest Reserve, GTFR = Gunung Tebu Forest Reserve, KSFR = Kledang Saiong Forest Reserve, RBFR = Royal Belum Forest Reserve, SFR = Semangkok Forest Reserve, TFR = Temengor Forest Reserve, and UGFR = Ulu Gombak Forest Reserve.
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