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14 results for “Dasycerus”

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dryad40/100

A review of Appalachian Dasycerus Brongniart, and the recognition of cryptic diversity within Dasycerus carolinensis Horn (Coleoptera: Staphylinidae: Dasycerinae)

<p>­Previous analyses have revealed deep divergences among populations of the relictual and enigmatic rove beetle, <em>Dasycerus carolinensis </em>Horn. New data from additional populations, molecular markers, and morphology unambiguously reveal this 'species' to represent a complex of closely related species, distinguishable by characters of the male genitalia, and corresponding closely to geographically coherent clades discovered by molecular analyses. Calibrated dating analyses show Appalachian <em>Dasycerus</em> to have been diverging in the region for more than 10 million years, yet largely respecting important biogeographic barriers in the region, such as the French Broad and Little Tennessee River drainages. In addition to discussing finer scale biogeographic patterns in the group, we formally recognize 9 new species from within what was formerly known as <em>D. carolinensis</em>: <em>D. virginiensis</em> <strong>sp. nov.</strong><em>, D. tuckasegee</em> <strong>sp. nov.</strong><em>, D. pacolet</em> <strong>sp. nov.</strong><em>, D. chattooga</em> <strong>sp. nov.</strong><em>, D. itseyi</em> <strong>sp. nov.</strong><em>, D. unicoi</em> <strong>sp. nov.</strong><em>, D. nikwasi</em> <strong>sp. nov.</strong><em>, D. egwanulti</em> <strong>sp. nov.</strong><em>, </em>and <em>D. gadalutsi</em> <strong>sp. nov.</strong><em>. </em>It was not, however, possible to assign all samples to one of these species, and specimens from some sparsely sampled outlying areas, northern Alabama and central Tennessee in particular, may represent additional species. </p>

opencc-zeroApr 2024View details →
dryad40/100

A review of Appalachian Dasycerus Brongniart, and the recognition of cryptic diversity within Dasycerus carolinensis Horn (Coleoptera: Staphylinidae: Dasycerinae)

Open the record for dataset details and reuse information.

publicApr 2024View details →
zenodo32/100

FIGURE 6 in Taxonomy and phylogeny of the Japanese species of the genus Dasycerus Brongniart (Coleoptera: Staphylinidae: Dasycerinae) with description of a new species and notes on D. poseidon Hu & Liang

FIGURE 6. Maximum likelihood tree based on the COI sequences. Branch lengths are proportional to maximum likelihood estimated genetic distances. Numbers associated with branches indicate bootstrap values higher than 50%. Within sample names, species names and collecting site are followed by each sample ID.

opennotspecifiedAug 2022View details →
zenodo32/100

FIGURE 4 in Taxonomy and phylogeny of the Japanese species of the genus Dasycerus Brongniart (Coleoptera: Staphylinidae: Dasycerinae) with description of a new species and notes on D. poseidon Hu & Liang

FIGURE 4. Dasycerus sp. from Ôsumi Peninsula, Kagoshima-ken. (A) Habitus in dorsal view. (B–C) Right elytron in dorsolateral view. (D) Aedeagus in lateral view. (E) Female genital chamber in ventral view. Scale bars: 1.0 mm for A; 0.5 mm for B; 0.2 mm for D–E.

opennotspecifiedAug 2022View details →
zenodo32/100

FIGURE 5 in Taxonomy and phylogeny of the Japanese species of the genus Dasycerus Brongniart (Coleoptera: Staphylinidae: Dasycerinae) with description of a new species and notes on D. poseidon Hu & Liang

FIGURE 5. Dasycerus poseidon. (A) Pronotum in dorsal view (modified from Hu &amp; Liang (2021)). (B–C) Prothorax in ventral view (white triangles indicate the protergosternal keel). (D–E) Right elytron in dorsolateral view. (F) Female genital chamber in ventral view. Scale bars: 0.2 mm for A &amp; F; 0.5 mm for B &amp; D.

opennotspecifiedAug 2022View details →
zenodo32/100

FIGURE 1 in Taxonomy and phylogeny of the Japanese species of the genus Dasycerus Brongniart (Coleoptera: Staphylinidae: Dasycerinae) with description of a new species and notes on D. poseidon Hu & Liang

FIGURE 1. Dasycerus occultus sp. nov. (A) Habitus in dorsal view. (B) SEM image of pronotum in dorsal view. (C–D) Prothorax in ventral view (black triangles indicate the protergosternal keel). (E–F) Right elytron in dorsolateral view. (G) Aedeagus in lateral view. (H) Female genital chamber in ventral view. Scale bars: 1.0 mm for A; 0.5 mm for C &amp; E; 0.2 mm for G–H.

opennotspecifiedAug 2022View details →
zenodo32/100

FIGURE 2 in Taxonomy and phylogeny of the Japanese species of the genus Dasycerus Brongniart (Coleoptera: Staphylinidae: Dasycerinae) with description of a new species and notes on D. poseidon Hu & Liang

FIGURE 2. Dasycerus japonicus. (A) Habitus in dorsal view. (B) SEM image of pronotum in dorsal view. (C–D) Prothorax in ventral view (black triangles indicate the protergosternal keel). (E–F) Right elytron in dorsolateral view. (G) Aedeagus of D. japonicus from Nagano-ken in lateral view. (H) Ditto in ventral view (paramere omitted on one side). (I) Aedeagus of D. japonicus from Saga-ken in lateral view. (J) Unraveled female genital chamber of D. japonicus from Gifu-ken in ventral view. (K) Unraveled female genital chamber of D. japonicus from Kumamoto-ken in ventral view. (L) Not unraveled female genital chamber of D. japonicus from Fukuoka-ken in dorsal view. Scale bars: 1.0 mm for A; 0.5 mm for C &amp; E; 0.2 mm for G–L.

opennotspecifiedAug 2022View details →
zenodo32/100

Fig. 4 in Intraspecific Diversity and Phylogeography in Southern Appalachian Dasycerus carolinensis (Coleoptera: Staphylinidae: Dasycerinae)

Fig. 4. Bayesian phylogram for DASYCerUS CArolinenSiS based on COI alone, including only unique haplotypes.Taxon names include unique extraction number (SSMxxx) and COI haplotype number, corresponding to those in Fig. 5 (coixx). Colors of names are keyed to localities as shown in map inset.Taxa representing geographic areas are indicated by W1,W2, and NE, as described in text, and as outlined on the map inset. Bayesian posterior probabilities&gt;60% are shown on branches.

opennotspecifiedNov 2019View details →
zenodo32/100

Fig. 3 in Intraspecific Diversity and Phylogeography in Southern Appalachian Dasycerus carolinensis (Coleoptera: Staphylinidae: Dasycerinae)

Fig. 3. Bayesian phylogram for DASYCerUS CArolinenSiS based on CAD alone, including only unique alleles. Names of terminals represent CAD allele number, corresponding to those in Fig. 5 (DcaCADxx). Colors of names are keyed to localities as shown in map inset.Taxa representing geographic areas are indicated by W1, W2, and NE, as described in text, and as outlined on the map inset, though none strictly form clades under CAD alone. ('Misplaced' alleles are marked with asterisks.) Bayesian posterior probabilities&gt;60% are shown on branches.

opennotspecifiedNov 2019View details →
zenodo32/100

Fig. 2 in Intraspecific Diversity and Phylogeography in Southern Appalachian Dasycerus carolinensis (Coleoptera: Staphylinidae: Dasycerinae)

Fig. 2. Combined data (COI + CAD) Bayesian phylogeny, including all unique DASYCerUS individuals. Taxon names represent extraction numbers. Colors of names are keyed to localities as shown in map inset. Numbers on branches indicate posterior probabilities. NE, W1, and W2 refer to northeastern, western 1, and western 2 major clades as discussed in the text, and as outlined on the map inset. Estimated ages (MYBP) are shown at major nodes, with 95% confidence intervals in purple.

opennotspecifiedNov 2019View details →
zenodo32/100

Fig. 1 in Intraspecific Diversity and Phylogeography in Southern Appalachian Dasycerus carolinensis (Coleoptera: Staphylinidae: Dasycerinae)

Fig. 1. Map of the southern Appalachian region showing the distribution of sampling sites for DASYCerUS CArolinenSiS. Numbers within colored balloons represent numbers of individuals sequenced (for at least one gene) for each site. Colors of balloons match those in network and tree figures below.White balloons indicate sites represented by one or two individuals, excluded from population genetic comparisons. CC = Coopers Creek; Ea = Eastatoe; HC = Horse Cove Gap; 9× = Nine Times Preserve; Sf = Sassafras Peak;TR = Table Rock Mountain State Park; AP = Ashmore Heritage Preserve. Inset shows dorsal habitus photo of D. CArolinenSiS.

opennotspecifiedNov 2019View details →
zenodo32/100

Fig. 5 in Intraspecific Diversity and Phylogeography in Southern Appalachian Dasycerus carolinensis (Coleoptera: Staphylinidae: Dasycerinae)

Fig. 5. Individual haplotype/allele networks based on all DASYCerUS individuals, for COI (top half) and CAD alleles (bottom half). Northeastern (NE) and western (W1 and W2) clades as discussed in the text are outlined. Allele/haplotype numbers for each gene match those in Fig. 3 (CAD) and 4 (COI) trees, respectively. Circle and pie-chart colors indicate localities of origin (see map inset). Circle and pie-chart sizes are proportional to number of individuals with that allele/ haplotype in each population. Small black circles indicate mutations.

opennotspecifiedNov 2019View details →
zenodo28/100

Fig. 27. Dasycerus sulcatus Brongniart, 1800 in Faunistic survey of myrmecophilous and other ant-associated beetles and spiders in the Belgian province of Limburg (Araneae, Coleoptera, Hymenoptera: Formicidae)

Fig. 27. Dasycerus sulcatus Brongniart, 1800 (2.1 mm; range 1.9-2.3 mm). © U. Schmidt.

opennotspecifiedOct 2023View details →
zenodo16/100

FIGURE 3 in Taxonomy and phylogeny of the Japanese species of the genus Dasycerus Brongniart (Coleoptera: Staphylinidae: Dasycerinae) with description of a new species and notes on D. poseidon Hu & Liang

FIGURE 3. Holotype and labels of Dasycerus japonicus (photographed by Y. Tasaku).

opennotspecifiedAug 2022View details →

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