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11 results for “Nebria lacustris”
Figure 10 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 10 - A Principal components analysis of distance measurements on Nebria lacustris (blue open circles) and Nebria bellorum (filled red squares). PC I (x axis) is a measure of allometric size, while PC II is a shape contrast between the DS measure and all others B Upper figure repeated to highlight dissimilarity between geographically proximate specimens of Nebria bellorum and specimens of Nebria lacustris from North Carolina, Tennessee, Kentucky, and Virginia (filled blue triangles). Geographically distant specimens from Iowa are indicated by filled green circles, and fall within the central area of Nebria lacustris's morphometric distribution (see text for further discussion). All other specimens of Nebria lacustris are shown as grey dots.
Figure 8 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 8 - Illustration of measurements; LH = length head; LP = length pronotum; LE = length elytra; DS = longitudinal distance from anterior margin of pronotum to position of left midlateral seta
Figure 9 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 9 - Box plots of body size (measured as the first principal component, PC I) segregated by species and gender. 1 = Nebria lacustris, 2 = Nebria bellorum. Mid-lines in boxes represent sub-sample distribution median PC I scores (median body size), lower and upper limits of boxes represent 25% and 75% limits of distributions respectively, and upper and lower whiskers represent 5% and 95% limits respectively. Nebria lacustris adults are significantly larger than those of Nebria bellorum, and females of both species are significantly larger than males.
Figure 11 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 11 - Principal components analysis scores of Nebria lacustris versus location and elevation. Body size (PC I) varies significantly with the three factors, while the independent shape variable, PC II, varies significantly with location. Individual regression lines drawn on plots represent individual relationships within multiple regression models (see text for explanation). A quadratic model is selected for the relationship between PC I and longitude because a first order linear model results in non-normally distributed residuals (linear model is shown as light blue straight line). "N" on plots indicates cardinal direction north.
Figures 6-7 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figures 6-7 - Dorsal habitus; scale line = 1.0 mm 6 Nebria bellorum Kavanaugh, male, Smokemont, Swain County, North Carolina 7 Nebria lacustris Casey, female, Harpers Ferry, Jefferson County, West Virginia.
Figure 3 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 3 - Map of known localities for members of the lacustris species subgroup of Nebria; black and red dots = Nebria lacustris LeConte; blue and yellow dots = Nebria bellorum Kavanaugh; red and yellow dots, respectively, denote localities from which DNA samples were obtained (see also Table 1); scale line = 500 km;
Figure 13 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 13 - Map showing the location and extent of the French Broad River in North Carolina and Tennessee. Map copyright Karl Musser, distributed under a Creative Commons Attribution-Share Alike 2.5 Generic license [http://creativecommons.org/licenses/by-sa/2.5/deed.en] and available at http://en.wikipedia.org/wiki/File:Frenchbroadrivermap.png
Figures 4-5 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figures 4-5 - Nebria lacustris Casey, male, dorsal habitus; scale line = 1.0 mm 4 Fleury Bay, Lake Champlain, Grand Isle County, Vermont 5 Ridley Brook, Washington County, Vermont.
Figure 12 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 12 - Majority-rule consensus tree from fully-partitioned Bayesian analysis (see Table 3 for evolutionary models used) of concatenated data set; only branches supported by posterior probability values of 0.95 or greater (as noted on branches) indicated. Capital letters (A through E) denote branches discussed in the text. Samples within colored boxes designate the following: gray = specimens of the lacustris species subgroup; red = specimens from Iowa; green = specimens from the Green Mountains, Vermont; blue = specimen from the shore of Lake Champlain, Vermont; orange = specimens from the southern Appalachian highlands (Nebria bellorum).
Figure 2 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 2 - Nebria expansa Casey, lectotype female, dorsal habitus and labels; scale line = 1.0 mm
Figure 1 from: Kavanaugh D, Archambeault S, Roopnarine P, Ledford J (2011) A re-consideration of the taxonomic status of Nebria lacustris Casey (Coleoptera, Carabidae, Nebriini) based on multiple datasets – a single species or a species complex? ZooKeys 147: 199-228. https://doi.org/10.3897/zookeys.147.2082
Figure 1 - Nebria lacustris Casey, lectotype female, dorsal habitus and labels; scale line = 1.0 mm
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