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FIGURE 1. A in Morphological and molecular diversification of slender salamanders (Caudata: Plethodontidae: Batrachoseps) in the southern Sierra Nevada of California with descriptions of two new species

FIGURE 1. A. Map of California, USA, showing the ranges of Batrachoseps nigriventris group species and other species of Batrachoseps from the vicinity of the Kern River Canyon. The range of B. relictus in the Lower Kern River Canyon is contained within the range of B. simatus. Individual dots indicate isolated populations of B. altasierrae sp. nov. from the Kern Plateau (blue) and of B. robustus from the Scodie Mountains (green). B. Point localities for Batrachoseps from the Kern River Canyon and vicinity. Localities include all identified specimens from the collection of the Museum of Vertebrate Zoology, University of California, Berkeley, as well as additional specimens from the California Academy of Sciences and, for B. relictus, from the Los Angeles County (California) Museum. Lighter shading indicates higher elevation; blue indicates major streams or rivers. Type localities are indicated by open symbols for all species except B. gregarius (whose type locality is outside of the region shown). Refer to the web version of this article for color figure.

FIGURE 7. B. altasierrae and B. relictus. A in Morphological and molecular diversification of slender salamanders (Caudata: Plethodontidae: Batrachoseps) in the southern Sierra Nevada of California with descriptions of two new species

FIGURE 7. B. altasierrae and B. relictus. A. Holotype of B. altasierrae. B. B. altasierrae from the type locality in life (no voucher). C. Digital x-ray of the skull and forelimbs of an adult female B. altasierrae (MVZ 156394, SL = 39.9 mm) from Sugarloaf Peak, Tulare Co., California. D. Adult B. relictus from Breckenridge Mountain, Kern Co., California in life (no voucher). E. Digital x-ray of the skull and forelimbs of an adult (SL = 45.3 mm) female B. relictus from Breckenridge Mountain (MVZ 267114). F. Type locality of B. altasierrae. G. High elevation site on Breckenridge Mountain, Kern Co., California at which specimens referred here to B. relictus were discovered. Nearly all individuals at this locality have been found within the seep shown in the foreground. Habitat photos taken on 28 May 2011. Refer to the web version of this article for color figure.

FIGURE 3 in Morphological and molecular diversification of slender salamanders (Caudata: Plethodontidae: Batrachoseps) in the southern Sierra Nevada of California with descriptions of two new species

FIGURE 3. Morphological comparisons of Batrachoseps from the Kern River Canyon. A–F. Principal components analysis of correlation matrix of regression residuals of specimens from in and around the Kern River Canyon. Each color/symbol combination indicates a population. A–C compare B. relictus from the Lower Kern River Canyon, two candidates for inclusion in B. relictus (Breckenridge Mountain represented by the Lucas Creek and Squirrel Meadow populations and Greenhorn Mountains 1 and 2 from north of the Kern River), and B. kawia, which is the sister taxon to the Greenhorn populations. D–F show differentiation of the Upper Kern River Canyon populations (magenta), described here as Batrachoseps bramei sp. nov., from their close relatives B. gregarius (gray) and B. simatus (black). G–J. Boxplots of principal components (G–I) and SL (J) for species in and around Kern River Canyon. Refer to the web version of this article for color figure.

FIGURE 9 in Morphological and molecular diversification of slender salamanders (Caudata: Plethodontidae: Batrachoseps) in the southern Sierra Nevada of California with descriptions of two new species

FIGURE 9. Samples included in the cob phylogeny of the Batrachoseps nigriventris group. A. Map of California, showing topographic relief, with localities for specimens from outside of the Kern River Canyon (black symbols). Box shows approximate area of panel B. B. Kern River Canyon, showing localities for specimens from the Kern River Canyon and Breckenridge Mountain. Major side drainages are labeled. For clarity, streams on the north side of the Lower Kern River Canyon are omitted.

Figure 94 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figure 94. Chronogram with the molecular dating for the genus Ixchela using the lognormal relaxed clock model. Bars at nodes indicate the 95% highest posterior density interval (HPD) to each tmrca (time of the most recent common ancestor). Numbers on bars indicate the mean age for each node in millions of years (Mya). Gradient of colours indicates ages of nodes, from the older nodes (darker) toward more recent nodes (lighter).

Figure 95 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figure 95. Biogeographical provinces of Mexico following the scheme of Morrone (2004, 2005), showing the distribution of the genus Ixchela. Red background colour indicates the Mexican Montane biotic component and its provinces: 1, Sierra Madre Occidental (no records of Ixchela); 2, Transmexican Volcanic Belt (species recorded in green); 3, Sierra Madre Oriental (species recorded in yellow); 4, Cuenca del Balsas (no records of Ixchela); 5, Sierra Madre del Sur (species recorded in dark blue). Yellow background colour indicates the Province of Chiapas (species recorded in light blue) which belongs to the Mesoamerican biotic component and is extended toward mountainous zones of Central America (Guatemala, Honduras, El Salvador and Nicaragua).

Figure 93 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figure 93. Majority consensus tree derived from the Bayesian analysis using the (morphology + CO1 + 16S) data set. Numbers above branches indicate posterior probabilities. Numbers below branches: (+) indicates clades found with PA/ Jackknife support values and/or with significant PA/Bremer support values. Black squares below branches indicate clades found with PA using different concavity values (K) using implied weighting; white squares indicate clades not recovered with some concavity values (see inset). Numbers and arrows indicate clades that are discussed in the text.

Figure 91 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figure 91. Consensus tree of the five most parsimonious trees obtained by the morphological cladistic analysis with equal weighting of characters (L = 59, CI = 0.72, RI = 0.84). Black squares indicate synapomorphic or apomorphic states, whereas white squares indicate homoplastic character states. Small numbers above squares indicate character number; small numbers below squares indicate character state. Larger numbers above branches indicate Jackknife support values; larger numbers below branches indicate Bremer support values. Black squares below branches indicate clades recovered with PA using different concavity values (K) using implied weighting; white squares indicate clades not recovered with some concavity values (see inset).

Figure 92 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figure 92. Majority consensus tree derived from the Bayesian analysis using the morphology + CO1 data set. Numbers above branches indicate posterior probabilities. Numbers below branches: (+) indicates clades found with PA/Jackknife support values and/or with statistically significant PA/Bremer support values. Black squares below branches indicate clades found with PA using different concavity values (K) using implied weighting; white squares indicate clades not recovered with some concavity values (see inset). Numbers and arrows indicate clades that are discussed in the text.

Figures 79–89 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 79–89. Ixchela tlayuda sp. nov. Male: 79, 80, Habitus, lateral and dorsal views, respectively. 81, Carapace and chelicerae, frontal view. 82, Chelicerae, frontal view. 83–84, Left palp, retrolateral and prolateral views, respectively. 85, Chelicera, lateral view. Female: 86, Epigynum, left lateral view. 87, Epigynum, ventral view. 88, Epigynum, dorsal view. 89, Epigynum, frontal view. Scale bars: 0.5 mm (Figs 82, 85, 88), 1 mm (Figs 79–81, 83, 84, 86, 87, 89).

Figures 68–78 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 68–78. Ixchela purepecha sp. nov. Male: 68, 69, Habitus, lateral and dorsal views, respectively. 70, Carapace and chelicerae, frontal view. 71, Chelicerae, frontal view. 72, 73, Left palp, retrolateral and prolateral views, respectively. 74, Chelicera, lateral view. Female: 75, Epigynum, left lateral view. 76, Epigynum, ventral view. 77, Epigynum, anterior–dorsal view. 78, Epigynum, frontal view. Scale bars: 0.5 mm (Figs 71, 74, 75, 77), 1 mm (Figs 68, 69, 72, 73, 76, 78).

Figures 45–55 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 45–55. Ixchela jalisco sp. nov. Male: 45, 46, Habitus, lateral and dorsal views, respectively. 47, Carapace and chelicerae, frontal view. 48, Chelicerae, frontal view. 49, 50, Left palp, retrolateral and prolateral views, respectively. 51, Chelicera, lateral view. Female: 52, Epigynum, left lateral view. 53, Epigynum, ventral view. 54, Epigynum, dorsal view. 55, Epigynum, frontal view. Scale bars: 0.5 mm (Figs 48, 51, 52, 54, 55), 1 mm (Figs 45–47, 49, 50, 53).

Figures 56–67 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 56–67. Ixchela mendozai sp. nov. Male: 56, 57, Habitus, lateral and dorsal views, respectively. 58, Carapace and chelicerae, frontal view. 59, Chelicerae, frontal view. 60, 61, Left palp, retrolateral and prolateral views, respectively. 62, Chelicera, lateral view. 63, Bulb and embolus, prolatero-dorsal view (arrow indicates the curved and sharp subdistally sclerotized spine). Female: 64, Epigynum, ventral view. 65, Epigynum, dorsal view. 66, Epigynum, left lateral view. 67, Epigynum, frontal view. Scale bars: 0.5 mm (Figs 58, 59, 62–67), 1 mm (Figs 56, 57, 60, 61).

Figures 34–44 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 34–44. Ixchela azteca sp. nov. Male: 34, 35, Habitus, lateral and dorsal views, respectively. 36, Carapace and chelicerae, frontal view. 37, Chelicerae, frontal view. 38, 39, Left palp, retrolateral and prolateral views, respectively. 40, Chelicera, lateral view. Female: 41, Epigynum, left lateral view. 42, Epigynum, ventral view. 43, Epigynum, dorsal view. 44, Epigynum, frontal view. Scale bars: 0.5 mm (Figs 42, 43), 1 mm (Figs 34–41, 44).

Figures 26–33 in Phylogeny of the spider genus Ixchela Huber, 2000 (Araneae: Pholcidae) based on morphological and molecular evidence (CO1 and 16S), with a hypothesized diversification in the Pleistocene

Figures 26–33. Ixchela azteca sp. nov. Male. 26, Chelicerae, ventral view. 27, Left chelicerae, frontal view. 28, Right chelicerae, posterior view. 29, Left endite, ventral view (arrow indicates the serrated margin). 30, Detail of the serrated margin on endite. 31, Spinnerets, ventral view. 32, Detail of one anterior lateral spinneret (arrows indicate the slightly pointed spigot and the wide spigot). 33, Detail of one posterior median spinneret (arrows indicate the acciniform gland spigots). Scale bars: 50 μm (Figs 30, 32, 33), 100 μm (Figs 28, 29), 200 μm (Fig. 27), 300 μm (Fig. 31), 500 μm (Fig. 26).

Figure 9 in Is mimicry a diversification-driver in ants? Biogeography, ecology, ethology, genetics and morphology define a second West-Palaearctic Colobopsis species (Hymenoptera: Formicidae)

Figure 9. Above: distribution map of Colobopsis samples examined – countries where Colobopsis presence is known from the literature are highlighted in grey. Below: approximate distributions of other Camponotini (Camponotus barbaricus, of C. micans and of C. ruber) which resemble that of CSL Colobopsis.

Figure 10. Colobopsis imitans. A, B, E in Is mimicry a diversification-driver in ants? Biogeography, ecology, ethology, genetics and morphology define a second West-Palaearctic Colobopsis species (Hymenoptera: Formicidae)

Figure 10. Colobopsis imitans. A, B, E, worker (holotypus); C, D, F, G, soldier (specimen from the type locality). Scale bars: 0.5 mm. Pictures also available on AntWeb.org database, specimen codes: ANTWEB1041481 and ANTWEB1041482.

Figure 5 in Is mimicry a diversification-driver in ants? Biogeography, ecology, ethology, genetics and morphology define a second West-Palaearctic Colobopsis species (Hymenoptera: Formicidae)

Figure 5. Principal component analyses of morphometric data of Colobopsis nest samples according to the two clusters evidenced by NC-PART clustering. Each small dot represents a colony sample. Large dots represent centroids.

Figure 6 in Is mimicry a diversification-driver in ants? Biogeography, ecology, ethology, genetics and morphology define a second West-Palaearctic Colobopsis species (Hymenoptera: Formicidae)

Figure 6. Maximum likelihood phylogenetic tree based on the barcode fragment of the mtCOI gene from the Colobopsis specimens sequenced.

Figure 4 in Is mimicry a diversification-driver in ants? Biogeography, ecology, ethology, genetics and morphology define a second West-Palaearctic Colobopsis species (Hymenoptera: Formicidae)

Figure 4. Dendrogram comparing the results of 'kmeans', and 'hclust' in NC Clustering of Colobopsis morphometric raw data. Two samples (4.5% of the total) are misplaced by both the dendrogram and one of the partitioning analyses, NC-part. kmeans; partially different samples being affected in each of the three analyses. The other partitioning analysis, NC-part. hclust returned the same sample assignment as the LDA did.