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690 results for “Geometric morphometrics”
Figures 4 from: Li L, Qi Y, Yang Y, Bai M (2016) A new species of Falsopodabrus Pic characterized with geometric morphometrics (Coleoptera, Cantharidae). ZooKeys 614: 97-112. https://doi.org/10.3897/zookeys.614.6156
Figures 4 - Falsopodabrus tridentatus sp. n. A–B habitus, dorsal view: A male B female C abdominal sternite VIII of female, ventral view D female genitalia, lateral view. The abbreviations: ag: accessory gland; di: diverticulum; sd: spermathecal duct; sp: spermatheca; ov: median oviduct; va: vagina. Scale bars A–B: 2.0 mm; C–D: 1.0 mm.
Figures 5 from: Li L, Qi Y, Yang Y, Bai M (2016) A new species of Falsopodabrus Pic characterized with geometric morphometrics (Coleoptera, Cantharidae). ZooKeys 614: 97-112. https://doi.org/10.3897/zookeys.614.6156
Figures 5 - Male of Falsopodabrus tridentatus sp. n. A–C aedeagus (A ventral view B dorsal view C lateral view) D–F tarsal claws of left legs, dorsal view (D fore leg E middle leg F hind leg). The abbreviations: dp: dorsal plate of each paramere; is: inner sac of median lobe; lp: laterophyse; ml: median lobe; vp: ventral process of each paramere. Scale bars: 1.0 mm.
Figure 6 from: Li L, Qi Y, Yang Y, Bai M (2016) A new species of Falsopodabrus Pic characterized with geometric morphometrics (Coleoptera, Cantharidae). ZooKeys 614: 97-112. https://doi.org/10.3897/zookeys.614.6156
Figure 6 - Distribution of Falsopodabrus. The location of Falsopodabrus particularis (Pic, 1931) lacks specific locality information in Yunnan Province, China.
Figure 3 from: Li L, Qi Y, Yang Y, Bai M (2016) A new species of Falsopodabrus Pic characterized with geometric morphometrics (Coleoptera, Cantharidae). ZooKeys 614: 97-112. https://doi.org/10.3897/zookeys.614.6156
Figure 3 - Plots of the first two components of Principal Component Analysis for Falsopodabrus himalaicus, Falsopodabrus tridentatus sp. n., and Falsopodabrus martensi, showing 90% confidence ellipses of population means: A pronotum B hind wing. The averaged shape of each species is depicted as deformations using thin plate splines.
Figure 2 from: Li L, Qi Y, Yang Y, Bai M (2016) A new species of Falsopodabrus Pic characterized with geometric morphometrics (Coleoptera, Cantharidae). ZooKeys 614: 97-112. https://doi.org/10.3897/zookeys.614.6156
Figure 2 - Plots of the first two canonical axes of Canonical Variates Analysis for Falsopodabrus himalaicus, Falsopodabrus tridentatus sp. n., and Falsopodabrus martensi, showing 90% confidence ellipses of population means: A aedeagus B abdominal sternite VIII of female C pronotum D hind wing.
Figure 1 from: Li L, Qi Y, Yang Y, Bai M (2016) A new species of Falsopodabrus Pic characterized with geometric morphometrics (Coleoptera, Cantharidae). ZooKeys 614: 97-112. https://doi.org/10.3897/zookeys.614.6156
Figure 1 - A Aedeagus B abdominal sternite VIII of female C pronotum D hind wing showing digitizing landmarks or points around the outline. A–B Falsopodabrus himalaicus C–D Falsopodabrus tridentateus sp. n.
Figure 8 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 8 - Canonical variate analysis (CVA) based on the shape variations of different characters showing 90% confidence ellipses of population means. A pronotum B elytra C protibia D aedeagus.
Figure 7 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 7 - Principal component analysis (PCA) based on the shape variations of different characters. The averaged shape of extreme specimens is depicted as deformations using thin plate splines. A pronotum B elytra C protibia D aedeagus.
Figure 6 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 6 - Habitus of Oreoderus arrowi (female). A dorsal view B pygidium C female genitalia. Scale bars: 1.0 mm.
Figure 5 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 5 - Habitus of Oreoderus oblongus (holotype). A dorsal view B pygidium C aedeagus. Habitus of Oreoderus oblongus (female). D dorsal view E pygidium F female genitalia. Scale bars: 1.0 mm.
Figure 4 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 4 - Habitus of Oreoderus dasystibialis (holotype). A dorsal view B pygidium C aedeagus. Scale bars: 1.0 mm.
Figure 3 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 3 - Habitus of Oreoderus brevitarsus (holotype). A dorsal view B pygidium C aedeagus. Habitus of Oreoderus brevitarsus (female). D dorsal view E pygidium F female genitalia. Scale bars: 1.0 mm.
Figure 1 from: Li S, Ricchiardi E, Bai M, Yang X (2016) A taxonomy review of Oreoderus Burmeister, 1842 from China with a geometric morphometric evaluation (Coleoptera, Scarabaeidae, Valgini). ZooKeys 552: 67-89. https://doi.org/10.3897/zookeys.552.6096
Figure 1 - Curve selection of four characters. A the red curve (Curve 1) is the outline of pronotum, which resampled into 50 semi-landmarks (SLM); the two green curves (Curve 2, 3) are outline of the carinae, which resampled into 15 SLM; two blue curves (Curve 4, 5) are the outline of lateral carinae, which resampled into 10 SLM B the curve is the outline of elytra, which resampled into 50 SLM C the curve is the outline of protibia, which resampled into 50 SLM D the curve is the outline of the left paramere, which resampled into 50 SLM.
Figure 2 from: Guan K, Su J, Wang J, Yang Y (2015) Significance of hind wing morphology in distinguishing genera and species of cantharid beetles with a geometric morphometric analysis. ZooKeys 502: 11-25. https://doi.org/10.3897/zookeys.502.9191
Figure 2 - Shape variables of the hind wings in the genera of Lycocerus, Prothemus and Themus. A principal component analysis (PCA) of hind wing configuration. Plot of PC1 (74.39% of total variation) and PC2 (8.52% variation) showing 90% confidence ellipses of population means B canonical variate analysis (CVA) of same matrix, also showing 90% confidence ellipses of population means. The averaged shape of each genus is depicted as deformations using thin plate splines.
Figure 5 from: Guan K, Su J, Wang J, Yang Y (2015) Significance of hind wing morphology in distinguishing genera and species of cantharid beetles with a geometric morphometric analysis. ZooKeys 502: 11-25. https://doi.org/10.3897/zookeys.502.9191
Figure 5 - Shape variables of the hind wings in the Themus species. A principal component analysis (PCA) of hind wing configuration. Plot of PC1 (32.87% of total variation) and PC2 (16.48% variation) showing 90% confidence ellipses of population means B canonical variate analysis (CVA) of same matrix, also showing 90% confidence ellipses of population means. The averaged shape of each species is depicted as deformations using thin plate splines.
Figure 4 from: Guan K, Su J, Wang J, Yang Y (2015) Significance of hind wing morphology in distinguishing genera and species of cantharid beetles with a geometric morphometric analysis. ZooKeys 502: 11-25. https://doi.org/10.3897/zookeys.502.9191
Figure 4 - Shape variables of the hind wings in the Prothemus species. A principal component analysis (PCA) of hind wing configuration. Plot of PC1 (38.40% of total variation) and PC2 (15.88% variation) showing 90% confidence ellipses of population means B canonical variate analysis (CVA) of same matrix, also showing 90% confidence ellipses of population means. The averaged shape of each species is depicted as deformations using thin plate splines.
Figure 3 from: Guan K, Su J, Wang J, Yang Y (2015) Significance of hind wing morphology in distinguishing genera and species of cantharid beetles with a geometric morphometric analysis. ZooKeys 502: 11-25. https://doi.org/10.3897/zookeys.502.9191
Figure 3 - Shape variables of the hind wings in the Lycocerus species. A principal component analysis (PCA) of hind wing configuration. Plot of PC1 (49.02% of total variation) and PC2 (14.92% variation) showing 90% confidence ellipses of population means B canonical variate analysis (CVA) of same matrix, also showing 90% confidence ellipses of population means. The averaged shape of each species is depicted as deformations using thin plate splines.
Figure 6 from: Guan K, Su J, Wang J, Yang Y (2015) Significance of hind wing morphology in distinguishing genera and species of cantharid beetles with a geometric morphometric analysis. ZooKeys 502: 11-25. https://doi.org/10.3897/zookeys.502.9191
Figure 6 - Comparisons of centroid size variables among different groups: A Lycocerus, Prothemus and Themus B Lycocerus asperipennis, Lycocerus metallescens and Lycocerus orientalis; Prothemus chinensis, Prothemus kiukiangensis and Prothemus purpuripennis; Themus licenti, Themus coelestis and Themus impressipennis.
Figure 4 from: Barour C, Baylac M (2016) Geometric morphometric discrimination of the three African honeybee subspecies Apis mellifera intermissa, A. m. sahariensis and A. m. capensis (Hymenoptera, Apidae): Fore wing and hind wing landmark configurations. Journal of Hymenoptera Research 52: 61-70. https://doi.org/10.3897/jhr.52.8787
Figure 4 - Extreme shape differences between Apis mellifera intermissa, Apis mellifera sahariensis and Apis mellifera capensis along the first two canonical variates (Fig. 3A, B). A and B fore wing shape differences along the first and second canonical variate, respectively. C and D hind wing shape differences along the first and second canonical variate, respectively (scale factor ×3 and ×2 respectively). Grey lines depict the shape associated with the negative values and black lines the shape associated with the positive values of the respective canonical variate.
Figure 1 from: Barour C, Baylac M (2016) Geometric morphometric discrimination of the three African honeybee subspecies Apis mellifera intermissa, A. m. sahariensis and A. m. capensis (Hymenoptera, Apidae): Fore wing and hind wing landmark configurations. Journal of Hymenoptera Research 52: 61-70. https://doi.org/10.3897/jhr.52.8787
Figure 1 - Location of the landmarks digitized on a right fore and hind wing of Apis mellifera workers (drawn to the same scale). MR: marginal cell, CC: cubital cell, MC: median cell, SMC: sub-median cell, and RC: radial cell.
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