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197 results for “Loxosceles”
Figure 5 in Ecological niche divergence between the brown recluse spiders Loxosceles laeta and L. surca (Sicariidae) in Chile
Figure 5. Precipitations and annual mean temperatures both Loxosceles laeta and Loxosceles surca records. (a) Histogram of the frequency of precipitation of warmest quarter period, constructed from the known distribution of both species. (b) Histogram of the frequency of annual mean temperature, constructed from the known distribution of both species.
Figure 1 in Ecological niche divergence between the brown recluse spiders Loxosceles laeta and L. surca (Sicariidae) in Chile
Figure 1. Location records for two species of Loxosceles showing the range overlap in northern of Chile; L. laeta (blue circles) and L. surca (red triangles).
Figure 2 in Ecological niche divergence between the brown recluse spiders Loxosceles laeta and L. surca (Sicariidae) in Chile
Figure 2. Loxosceles surca in northern of Chile. (a) Habitat where the spiders were found. (b) Live female specimen of the Loxosceles surca, Altos de Pica, Chile. (Photography: William H. Piel).
Figure 3 in Ecological niche divergence between the brown recluse spiders Loxosceles laeta and L. surca (Sicariidae) in Chile
Figure 3. Maximum likelihood phylogeny of an alignment of COI and 28S sequences from Loxosceles species. The digits by each clade indicate percent bootstrap support based on 1,000 replicates. The species groups, as delineated by Gertsch (1967), are indicated by boxes enclosing clades. Continental biogeographic history is estimated using common-sense inference based on contemporary species distributions and is indicated in the figure using branch colours.
Figures 84 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 84 Ecological niche modeling (ENM) under Maxent algorithm for Loxosceles tenochtitlan sp. nov. Colors represent different ranges of probabilities of presence (high probability: 0.75–1.0). Circles represent known records of the new species. Blue lines represent biogeographical provinces proposed by Morrone (2004, 2005).
Figures 78-81 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 78-81 Sexual dimorphism of Loxosceles tenochtitlan sp. nov. (T test) 78 box plots showing the variation of leg length 1 between males and females (t = -1.3106, p = 0.1981, df = 37, α = 0.05) 79, 80 box plots showing variation of carapace length (79) and width (80) between males and females (length: t = 1.498, p = 0.142, df = 38, α = 0.05; width: t = 0.6955, p = 0.4912, df = 36, α = 0.05) 81 linear morphometric variation of leg I length between males and females of L. tenochtitlan and L. misteca (T test) (males: t = 3.6174, p = 0.00331, df = 13, α = 0.05; females: t = 0.274, p = 0.787, df = 17, α = 0.05).
Figures 74-77 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 74-77 Geometric morphometry of the tibia shape on retrolateral view of the palps of males of L. tenochtitlan sp. nov. (N = 12) and L. misteca (N = 9) 74CVA plot showing a significant difference (χ2 = 10.2555, df = 2, p = 0.00593003, λ = 0.5988) between both species in the tibiae shape 75 deformation grid, the vectors indicate the direction of change in the tibia with respect to the average shape of the 21 individuals analyzed of both species 76, 77 palps of the males of L. misteca and L. tenochtitlan sp. nov. respectively, retrolateral views (red arrows indicate the change in the shape of the tibiae of the species analyzed).
Figures 7-13 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 7-13 Live female specimens of the Loxosceles tenochtitlan sp. nov. from Street Cruz Verde #132, Tlalpan, Mexico City, Mexico (type locality). Red arrows indicate specific places where the specimens were collected inside the house. Photographs by Martín Sánchez Vílchis (2019).
Figures 56-61 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 56-61 Loxosceles tenochtitlan sp. nov. Variation of the seminal receptacles of the females, dorsal views 56 Street Cruz Verde #132, Tlalpan, Mexico City (type locality) (female paratype) 57 Los Reyes Copilco, Fracc. Areada Dpto. 102-A, Coyoacán, Mexico City 58 Street Juárez #23, San Mateo Ixtacalco, Municipality Cuautitlán Izcalli, Estado de Mexico 59 Street Reforma #5, Santiago Tlacochcalco, Municipality of Tepeyanco, Tlaxcala 60, 61 Street Juárez Norte #214, Huamantla, Municipality of Huamantla, Tlaxcala, Mexico.
Figures 62-69 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 62-69 Loxosceles misteca Gertsch, 1958 62–65 variation of the male palps, left palps, prolateral views 62 Grutas General Carlos Pacheco, Municipality Pilcaya, Guerrero 63 Cueva del Diablo Acuitlalpan, Municipality Taxco, Guerrero 64 boulevard Cuauhtémoc #99, Colonia Lomas de Cortes, Municipality Cuernavaca, Morelos 65 Grutas de Cacahuamilpa National Park, Municipality Pilcaya, Guerrero 66–69 variation of the seminal receptacles of the females, dorsal views 66, 67 Agustin Lorenzo Cave, Mexcaltepec, Municipality Taxco de Alarcón, Guerrero 68, 69 Botanical Garden Cave, Grutas de Cacahuamilpa National Park, Municipality Pilcaya, Guerrero.
Figures 48-55 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 48-55 Loxosceles tenochtitlan sp. nov. Variation of the male palps, left palps, prolateral views 48 turiello Guerra, Street Cuitlahuac S/N, Tlalpan, Mexico City 49 Cruz Verde #132, Tlalpan, Mexico City (type locality) 50 Street Tepocatl #61, Pedregal de Santo Domingo, Coyoacán, Mexico City 51 Los Reyes Copilco, Frac. Areada Dpto. 102-A, Coyoacán, Mexico City 52, 53 Street Reforma #5, Santiago Tlacochcalco, Municipality of Tepeyanco, Tlaxcala 54, 55 Street Juárez Norte #214, Huamantla, Municipality Huamantla, Tlaxcala, Mexico. Scale bars: 0.5 mm.
Figures 35-37 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 35-37 Loxosceles tenochtitlan sp. nov. Male paratype 35 right palp, tarsus, bulb and embolus, dorsal view 36 right palp, retrolateral view 37 detail of the canal along the embolus.
Figures 42-47 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 42-47 Male holotype (examined) of Loxosceles misteca Gertsch, 1958 (AMNH_IZC 00327631), from Taxco, Municipality Taxco de Alarcón, Guerrero, Mexico; 1946, collected in the fall, Leo Isaacs leg. 42–44 left palp, prolateral, dorsal and retrolateral views respectively 45–47 detail of the bulb and embolus, dorsal, retrolateral and apical views, respectively. Scale bars: 0.5 mm (42–44), 0.2 mm (45–47).
Figures 38-41 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 38-41 Male holotype (examined) of Loxosceles misteca Gertsch, 1958 (AMNH_IZC 00327631), from Taxco, Municipality Taxco de Alarcón, Guerrero, Mexico; Date? 1946, collected in the fall, Leo Isaacs leg. 38, 39 habitus of male holotype, dorsal and ventral views, respectively 40 carapace 41 label of the holotype. Scale bars: 1 mm (38–40).
Figures 19-22 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 19-22 Loxosceles tenochtitlan sp. nov 19–20 habitus of male holotype, dorsal and ventral views, respectively 21–22 habitus of female paratype, dorsal and ventral views, respectively. Scale bars: 1 mm.
Figures 1-6 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 1-6 Live specimens of Loxosceles tenochtitlan sp. nov. from Street Juárez Norte #214, Huamantla, Municipality Huamantla, Tlaxcala, Mexico 1–3 females 4–6 males. Photographs by Jared Lacayo-Ramírez (2019).
Figures 14-18 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 14-18 Live specimens and urban microhabitat of Loxosceles tenochtitlan sp. nov. from Tlaxcala 14–17 specimens from Street Juárez Norte #214, Huamantla downtown, Municipality, Huamantla, Tlaxcala, Mexico 18 microhabitat where some specimens were collected from Street Reforma #5, Santiago Tlacochcalco, Municipality Tepeyanco, Tlaxcala, Mexico. Red arrows indicate the specific places where specimens were collected. Photographs 14–17 by José A. Castilla-Vázquez (2018–2019). Photograph 18 by Alma R. Juárez-Sánchez (2018).
Figures 29-34 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 29-34 29–31Loxosceles misteca Gertsch. Male 29 left palp, retrolateral view, detail of tarsus, bulb and embolus 30 detail of bulb and embolus, retrolateral view 31 detail of the embolus 32–34Loxosceles tenochtitlan sp. nov. Male paratype 32 right palp, retrolateral view, detail of tarsus, bulb and embolus 33 detail of bulb and embolus, retrolateral view 34 detail of the embolus. Arrows indicate the canal along the embolus.
Figure 73 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figure 73 Haplotype network from the CO1 data obtained with TCS using PopArt. Each circle represents the haplotypes found in ten species of Loxosceles from Mexico. Numbers on branches indicate the number of mutations between haplotypes.
Figure 72 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figure 72 Maximum likelihood tree inferred from the concatenated matrix (CO1 + ITS2) of Loxosceles species from Mexico. Colors of branches and bars indicate different species. Numbers above bars at right represent the delimitation methods: 1: morphology (M). 2: neighbor-joining (NJ). 3: ABGD with initial partitions (IP). 4: ABGD with recursive partitions (RP). 5: GMYC. 6: bPTP with ML. 7: bPTP with IB. Numbers below bars represent species recovered for each delimitation method. Red numbers correspond to Bayesian posterior probabilities, and black numbers are bootstrap support values from the ML analysis.
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