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184 results for “Arkansas”
Fig. 1 in Tick (Acarina: Ixodidae) species and life stages collected from Arkansas wild pigs
Fig. 1. Locations of Arkansas wild pig traps where ticks were collected Feb 2019 to Jan 2020. Collection sites are labeled by county. Two traps in Crawford County, 2 traps in Polk County, and 2 traps in Scott County were close geographically and appear as 1 location.
Fig. 2. Gompertz 3 in Seasonal phenology of Sirex nigricornis (Hymenoptera: Siricidae) in Arkansas with implications for management of Sirex noctilio
Fig. 2. Gompertz 3-parameter model fit to cumulative proportion of wood wasps captured in Arkansas, USA, from 3 Nov to 9 Dec 2009.
Fig. 1. Map showing all trapping sites from 2009 in Seasonal phenology of Sirex nigricornis (Hymenoptera: Siricidae) in Arkansas with implications for management of Sirex noctilio
Fig. 1. Map showing all trapping sites from 2009 to 2013 in Arkansas, USA. Legend indicates which sites were trapped during which years.
Fig. 6. Gompertz 3 in Seasonal phenology of Sirex nigricornis (Hymenoptera: Siricidae) in Arkansas with implications for management of Sirex noctilio
Fig. 6. Gompertz 3-parameter model fit to cumulative proportion of wood wasps captured in Arkansas, USA, from 3 Oct to 31 Dec 2013.
Fig. 1 in Spread of Larinus minutus (Coleoptera: Curculionidae), a biological control agent of knapweeds, following introduction to northwestern Arkansas
Fig. 1. Percentage of infested capitula (A) and spread rate (B) of Larinus minutus populations on spotted knapweed from the release point at each of 5 release sites in northwest Arkansas as modeled by the exponential decay function: y = Ae-Bx
Fig. 1 in Isolation of Metarhizium guizhouense and Metarhizium robertsii strains from soil-exposed Amblyomma americanum (Acarina: Ixodidae) from northwest Arkansas, USA
Fig. 1. Metarhizium robertsii (A-C, E) and Metarhizium guizhouense (D, F) from Amblyomma americanum ticks collected from northwest Arkansas (Washington County). (A) Sporulating M. robertsii (Savoy P2AM1/ARSEF 14332) growing on an infected adult male tick. (B) Inset of infected tick showing sporulating conidia in addition to mouthparts and coxal spurs diagnostic of A. americanum. (C, D) Metarhizium robertsii (Savoy P2AM1/ARSEF 14432) and M. guizhouense (West Fork P9N2/ ARSEF 14330), respectively, 10 d old colony on Sabouraud Dextrose Agar (plate diam = 60 mm). (E, F) Conidia of M. robertsii (Savoy P2AM1/ARSEF 14332) and M. guizhouense (West Fork P9N2/ARSEF 14330), respectively, viewed at 200× magnification (scale = 20 µm). Photos: Austin Goldsmith (A, B) and Louela Castrillo (C-F).
Fig. 4 in Prevalence and diversity of parasitic bird lice (Insecta: Psocodea) in northeast Arkansas
Fig. 4. Phylogeny of lice in the genera Myrsidea (a) and Brueelia (b) based on a concatenated alignment of cox1 and EF1-α sequences. Bootstrap values are located above the associated branches. Only values>50% are shown. Novel samples are labeled with the host species name followed by a 7-digit extraction code. All other ingroup samples were obtained from NCBI GenBank and are labeled with host species names. Outgroups are labeled with genus of louse followed by host species.
Fig. 3 in Prevalence and diversity of parasitic bird lice (Insecta: Psocodea) in northeast Arkansas
Fig. 3. Prevalence of lice, prevalence of mites, and co-occurrence of lice and mites recovered from different families of birds. Parentheses next to family names indicate sample sizes and lines on the bar plots indicate standard error. Significant p-values for chi-square and Fisher's exact tests are indicated by the asterisk to the left of family names.
Fig. 2 in Prevalence and diversity of parasitic bird lice (Insecta: Psocodea) in northeast Arkansas
Fig. 2. Prevalence, mean intensity, and mean abundance among lice from hosts in the family Turdidae (a) and Parulidae (b). Lines on the bar plots indicate 95% confidence intervals. Parentheses next to species names indicate sample sizes. Phylogenies are cladograms generated from distributions of trees from birdtree.org.
Fig. 1 in Prevalence and diversity of parasitic bird lice (Insecta: Psocodea) in northeast Arkansas
Fig. 1. The diversity of louse genera collected from 28 families of birds. Colors associated with each louse genus are indicated in the right-side legend. The numerical values indicate percentages. The sample size is indicated by the parenthesize to the right of genus names. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 4 in Chaetognath grasping spines from the Upper Mississippian of Arkansas (USA)
Fig. 4. Eoserratosagitta serrata gen. et sp. nov., Cove Creek (Arkansas, USA), Middle Chesterian (Namurian A equivalent). A. Three relatively complete paratypes (OUZC 4002/B, C, D from top to bottom, respectively) with nearly identical basic morphology including bands (b) and bulletlike denticles (d), scale bar 1.0 mm. B. Enlargement of the lower right segment of paratype OUZC 4002/B showing the phosphate replaced, fibrous ultrastructure of the spine wall, scale bar 0.1 mm. All SEM micrographs.
Fig. 1 in Chaetognath grasping spines from the Upper Mississippian of Arkansas (USA)
Fig. 1. Eoserratosagitta serrata gen. et sp. nov., Cove Creek (Arkansas, USA), Middle Chesterian (Namurian Aequivalent). A. Aconcretion fragment showing part of the accumulation of spines (s), scale bar 0.1 mm. B. A fragment of the middle part of a spine showing the concretion filled central cavity (cc), a row of bullet−like, hollow (now concretion−filled) denticles (d) on the concave side (to the left), and five longitudinal bands (b) separated by fine ribs (r) on the outer surface of the spine wall, scale bar 0.1 mm. C. Close−up of B showing fiber (f) impressions, scale bar 0.01 mm. All SEM micrographs.
Table 1 in First Cretaceous teleostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes, and the Western Interior Seaway
<p><b>Table 1.</b> Taxa from the Arkadelphia Formation (Cabot locality, Arkansas, USA) with number of specimens, percentage of total, and occurrences in the Cretaceous and Paleocene of North America. Letters in third and fourth columns refer to the following references: <b>A</b> =Stringer et al. (2020); <b>B</b> = Schwarzhans and Stringer (2020a); <b>C</b> = Schwarzhans et al. (2018b); <b>D</b> = Hoganson et al. (2019); <b>E</b> =Stringer et al. (2018); <b>F</b> = Schwarzhans (1985); <b>G</b> = Frizzell (1965a). References are not inclusive but provide evidence of the range of the species in North America. <b>Order=FORMES, Family=idae</b></p><table><tbody><tr><th><b>Taxa</b></th><th><b>No. of specimens</b></th><th><b>% of total</b></th><th><b>Known N. Am Cretaceous</b></th><th><b>Known N. Am Paleocene</b></th></tr><tr><th><b>ELOPIFORMES Elopidae</b></th></tr></tbody><tbody><tr><th><i>Elops</i> sp.</th><td>1</td><td>0.05</td><td>C</td><td>F</td></tr><tr><th><b>ALBULIFORMES</b></th></tr><tr><th><b>Albulidae</b></th></tr><tr><th>Albuliformes indeterminate</th><td>4</td><td>0.19</td><td>E</td><td>B</td></tr><tr><th><i>Elopothrissus</i> sp.</th><td>1</td><td>0.05</td><td>A</td><td>B</td></tr><tr><th><b>ORDER INDETERMINATE Family indeterminate</b></th></tr><tr><th><i>Genartina</i> sp.</th><td>1</td><td>0.05</td><td>B</td><td>B</td></tr><tr><th><b>Osmeroididae</b></th></tr><tr><th><i>Osmeroides</i> sp.</th><td>3</td><td>0.14</td><td>A</td><td>G</td></tr><tr><th><b>ANGUILLIFORMES</b></th></tr><tr><th><b>Anguillidae</b></th></tr><tr><th><i>Anguilla</i>? <i>chickasawae</i></th><td>6</td><td>0.28</td><td>A</td><td>B</td></tr><tr><th><b>Ophichthidae</b></th></tr><tr><th><i>Echiophis</i> aff. <i>E. semisphaeroides</i></th><td>11</td><td>0.52</td><td>B</td><td>B</td></tr><tr><th><b>Family Indeterminate</b></th></tr><tr><th><i>Muraenanguilla</i>? sp.</th><td>2</td><td>0.09</td><td>A</td><td>B</td></tr><tr><th><b>OSTEOGLOSSIFORMES</b></th></tr><tr><th><b>Family indeterminate</b></th></tr><tr><th><i>Kokenichthys navis</i></th><td>2</td><td>0.09</td><td>A</td><td>No</td></tr><tr><th><b>CLUPEIFORMES</b></th></tr><tr><th><b>Family indeterminate</b></th></tr><tr><th>Clupeiform? indeterminate</th><td>1</td><td>0.05</td><td>—</td><td>—</td></tr><tr><th><b>SILURIFORMES</b></th></tr><tr><th><b>Ariidae</b></th></tr><tr><th><i>Arius</i>? <i>subtilis</i></th><td>1</td><td>0.05</td><td>A</td><td>B</td></tr><tr><th><b>Family indeterminate</b></th></tr><tr><th><i>Vorhisia vulpes</i></th><td>1,537</td><td>72.88</td><td>A</td><td>No</td></tr><tr><th><b>AULOPIFORMES</b></th></tr><tr><th><b>Ichthyotringidae</b></th></tr><tr><th><i>Apateodus crenellatus</i>?</th><td>3</td><td>0.14</td><td>A</td><td>No</td></tr><tr><th><b>GADIFORMES</b></th></tr><tr><th><b>Merlucciidae</b></th></tr><tr><th><i>Palaeogadus</i>? <i>belli</i> sp. nov.</th><td>148</td><td>7.02</td><td>No</td><td>No</td></tr><tr><th><i>Palaeogadus</i> cf. <i>P. weltoni</i></th><td>1</td><td>0.05</td><td>B</td><td>No</td></tr><tr><th><b>GADIFORMES</b></th></tr><tr><th><b>Family indeterminate</b></th></tr><tr><th>Gadiformes indeterminate</th><td>11</td><td>0.52</td><td>—</td><td>—</td></tr><tr><th><b>HOLOCENTRIFORMES</b></th></tr><tr><th><b>Family indeterminate</b></th></tr><tr><th><i>Tippaha mythica</i></th><td>8</td><td>0.38</td><td>A</td><td>No</td></tr><tr><th><b>BERYCIFORMES</b></th></tr><tr><th><b>Family indeterminate</b></th></tr><tr><th><i>Eutawichthys maastrichtiensis</i></th><td>21</td><td>1.00</td><td>A</td><td>No</td></tr><tr><th><i>Eutawichthys zideki</i></th><td>287</td><td>13.61</td><td>A</td><td>No</td></tr><tr><th><i>Eutawichthys</i> cf. <i>E. stringeri</i></th><td>48</td><td>2.28</td><td>C</td><td>No</td></tr><tr><th><b>OPHIDIIFORMES</b></th></tr><tr><th><b>Ophidiidae</b></th></tr><tr><th><i>Ampheristus</i> cf. <i>A. americanus</i></th><td>6</td><td>0.28</td><td>B</td><td>B</td></tr><tr><th><b>Bythitidae</b></th></tr><tr><th><i>Protobythites brzobohatyi</i></th><td>4</td><td>0.19</td><td>B</td><td>No</td></tr><tr><th><b>ORDER UNKNOWN</b></th></tr><tr><th><b>Family unknown</b></th></tr><tr><th>Lapillus type 1</th><td>1</td><td>0.05</td><td>A</td><td>No</td></tr><tr><th><b>Family unknown</b></th></tr><tr><th>Unknown sagitta</th><td>1</td><td>0.05</td><td>n/a</td><td>n/a</td></tr><tr><th><b>Total</b></th><td>2,109</td><td>~100</td><td></td><td></td></tr></tbody></table>
Table 3 in First Cretaceous teleostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes, and the Western Interior Seaway
<p><b>Table 3.</b> Percentage similarity measurements for the otolith assemblages from the Arkadelphia Formation (Cabot locality, Arkansas, USA), Fox Hills Formation (NDGS 5597, North Dakota, USA), Kemp Clay (South Sulphur River locality, Texas, USA), Ripley Formation (Blue Springs locality, Mississippi, USA, and Severn Formation (five sites, Maryland, USA). Data for calculations were obtained from this study (Table 1) for the Arkadelphia Formation (Cabot locality), from Hoganson et al. (2019) for the Fox Hills Formation (NDGS 5597 locality), from Schwarzhans and Stringer (2020a) for the Kemp Clay (South Sulphur River locality), from Stringer et al. (2020, table 2) for the Ripley Formation (Blue Springs locality; bulk samples only), and from Stringer and Schwarzhans (2021; table 3) for the Severn Formation (four sites).</p><table><tbody><tr><th><b>Localities compared</b></th><th><b>Percent</b> <b>similarity</b></th></tr></tbody><tbody><tr><th>Arkadelphia Formation (Cabot locality, Arkansas) and Fox Hills Formation (NDGS 5597, North Dakota)</th><td>30.32%</td></tr><tr><th>Arkadelphia Formation (Cabot locality, Arkansas) and Kemp Clay (South Sulphur River locality Texas)</th><td>35.73 %</td></tr><tr><th>Arkadelphia Formation (Cabot locality, Arkansas) and Ripley Formation (Blue Springs locality, Mississippi)</th><td>5.46%</td></tr><tr><th>Arkadelphia Formation (Cabot locality, Arkansas) and Severn Formation (four sites in Maryland)</th><td>57.68%</td></tr><tr><th>Kemp Clay (South Sulphur River locality, Texas) and Ripley Formation (Blue Springs locality, Mississippi)</th><td>3.33%</td></tr></tbody></table>
Linked collectors and determiners for: Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri.
Natural history specimen data linked to collectors and determiners held within, "Two new species of freshwater crayfish of the genus Faxonius (Decapoda: Cambaridae) from the Ozark Highlands of Arkansas and Missouri". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6c711c6e-5983-41a5-9ba0-133ac3e85f4a">https://bionomia.net/dataset/6c711c6e-5983-41a5-9ba0-133ac3e85f4a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6c711c6e-5983-41a5-9ba0-133ac3e85f4a">https://gbif.org/dataset/6c711c6e-5983-41a5-9ba0-133ac3e85f4a</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: University of Arkansas Herbarium - Bryophytes.
Natural history specimen data linked to collectors and determiners held within, "University of Arkansas Herbarium - Bryophytes". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/96d91c00-6e34-4b15-88e6-52f9c693eae9">https://bionomia.net/dataset/96d91c00-6e34-4b15-88e6-52f9c693eae9</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/96d91c00-6e34-4b15-88e6-52f9c693eae9">https://gbif.org/dataset/96d91c00-6e34-4b15-88e6-52f9c693eae9</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: University of Arkansas at Monticello.
Natural history specimen data linked to collectors and determiners held within, "University of Arkansas at Monticello". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/cca05dd0-9f88-4d0a-b90a-d3f8f3a3f367">https://bionomia.net/dataset/cca05dd0-9f88-4d0a-b90a-d3f8f3a3f367</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/cca05dd0-9f88-4d0a-b90a-d3f8f3a3f367">https://gbif.org/dataset/cca05dd0-9f88-4d0a-b90a-d3f8f3a3f367</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Arkansas Tech University Herbarium.
Natural history specimen data linked to collectors and determiners held within, "Arkansas Tech University Herbarium". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/1b723dca-61b4-4833-a105-9259d0e2c72a">https://bionomia.net/dataset/1b723dca-61b4-4833-a105-9259d0e2c72a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/1b723dca-61b4-4833-a105-9259d0e2c72a">https://gbif.org/dataset/1b723dca-61b4-4833-a105-9259d0e2c72a</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: University of Central Arkansas Herbarium.
Natural history specimen data linked to collectors and determiners held within, "University of Central Arkansas Herbarium". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/12b7c386-c9f3-4cd1-b6be-71122f2745c3">https://bionomia.net/dataset/12b7c386-c9f3-4cd1-b6be-71122f2745c3</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/12b7c386-c9f3-4cd1-b6be-71122f2745c3">https://gbif.org/dataset/12b7c386-c9f3-4cd1-b6be-71122f2745c3</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Arkansas Natural Heritage Commission Herbarium.
Natural history specimen data linked to collectors and determiners held within, "Arkansas Natural Heritage Commission Herbarium". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/ef1eb15d-460a-434d-807d-4ab3b6223d32">https://bionomia.net/dataset/ef1eb15d-460a-434d-807d-4ab3b6223d32</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/ef1eb15d-460a-434d-807d-4ab3b6223d32">https://gbif.org/dataset/ef1eb15d-460a-434d-807d-4ab3b6223d32</a>. Formatted as a Frictionless Data package.
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