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147 results for “Vaejovis”
Figure 1 in New species of Vaejovis from the Whetstone Mountains, southern Arizona (Scorpiones: Vaejovidae)
Figure 1: Vaejovis troupi sp. n., female holotype. In natural habitat (top) and on a leaf (bottom).
Data from: Evolution of life history traits in geographically isolated populations of Vaejovis scorpions (Scorpiones: Vaejovidae)
Geographical isolation can over time accumulate life-history variation which can eventually lead to speciation. We used five species of Vaejovis scorpions that have been isolated from one another since the Pleistocene glaciation to identify if biogeographical patterns have allowed for the accumulation of life-history variation among species. Gravid females were captured and brought back to the lab until giving birth. Once offspring had begun to disperse, measurements of female size, reproductive investment, offspring size, offspring number, and variation in offspring size were recorded. Differences in how each species allocated energy to these variables were analysed utilizing path analysis and structural equation modelling. Female and offspring size, litter size, and total litter mass differed among species, but relative energetic investment did not. Most significant differences among species were not present after removing the effect of female size, indicating that female size is a major source of life-history variation. Path analyses indicated that there was no size–number trade-off within any species and that each species allocates energy toward total litter mass differently. Additionally, as offspring size increased, the variation in offspring mass decreased. These results show that each species allocates the same relative amount of energy in different ways. The variation seen could be a response to environmental variability or uncertainty, a product of maternal effects, or caused by the sufficient accumulation of genetic differences due to geographical isolation.
FIGURES 1–12 in A new species of Vaejovis (Scorpiones: Vaejovidae) from Coahuila and Nuevo León, and a key to the vaejovid species from northeastern and northcentral México
FIGURES 1–12. External morphology of Vaejovis glabrimanus sp. nov. 1, metasomal segments III–V and telson, lateral aspect; 2, pedipalp femur, dorsal aspect; 3, pedipalp patella, dorsal aspect; 4, pedipalp chela, dorsal aspect; 5, pedipalp chela, external aspect; 6, pedipalp chela fixed finger, showing dentition and trichobothrial pattern; 7, pedipalp chela movable finger, showing dentition; 8, tarsomere II on right leg III, ventral aspect, showing arrangement of spinules; 9, morphology of hemispermatophore, dorsal aspect; 10, structure of hemispermatophore capsular area (ventral aspect); 11, ectal view of laminar flange; 12, barbed end of "sperm plug".
Fig. 23. Principal Components Analysis plot for 23 and 25 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 23. Principal Components Analysis plot for 23 and 25 measurements taken from males and females, respectively. First and second PCA for males were body size and metasoma length (97% of variance explained), and for females it was patella and carapace lengths (92% of variance explained) [upper plate]. The variable vector dimensions that separate the principal components of males and females are shown in the lower plate.
Fig. 22 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 22. Map of Central Mexico and Aguascalientes state showing the distribution of Vaejovis aguazarca Díaz-Plascencia and Gonz´alez-Santill´an sp. nov. (gray circles), Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. (red diamonds), Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015 (green stars), Vaejovis coalcoman Contreras-F´elix and Francke 2014 (orange square), and Vaejovis dugesi Pocock, 1902 (blue triangle). Mountain ranges are indicated as: Sierra Fria (1), Sierra del Laurel (2) and Juan el Grande foothills (3). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 21 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 21. Pedipalp chela of Vaejovis tenamaztlei Contreras-Felix´, Francke and Bryson, 2015 under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
Fig. 20 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 20. Pedipalp patella of Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015 under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
Fig. 16 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 16. Pedipalp femur of Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
Fig. 19 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 19. Pedipalp femur of Vaejovis tenamaztlei Contreras-Felix´, Francke and Bryson, 2015 under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
Fig. 17 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 17. Pedipalp patella of Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
Fig. 15 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 15. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov., habitus. A, B 6, C, D. ♀ (CNAN-S4005). A, C. Dorsal aspect. B, D. Ventral aspect. Scale bar =5 mm.
Fig. 11 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 11. Leg, basitarsal and telotarsal armature under UV light (6). Dorsal (left) and Ventral (right) aspects. A. Vaejovis aguazarca Díaz-Plascencia and Gonz´alezSantill´an sp. nov. B. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. C. Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015.
Fig. 12 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 12. Sternite VII ventral surface ornamentation under UV light (6). A. Vaejovis aguazarca Díaz-Plascencia and Gonz´alez-Santill´an sp. nov. B. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. C. Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015.
Fig. 14 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 14. Telson dorsal (left) and lateral (right) aspects under UV light (6). A. Vaejovis aguazarca Díaz-Plascencia and Gonz´alez-Santill´an sp. nov. B. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. C. Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015.
Fig. 13. Metasomal segments I-IV in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 13. Metasomal segments I-IV under UV light (6). A., D., G. Dorsal, B., E., H. Lateral, and C., F., I. Ventral aspects. A-C. Vaejovis aguazarca Díaz-Plascencia and Gonz´alez-Santill´an sp. nov. D-F. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. G-I. Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015.
Fig. 10 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 10. Pedipalp chela, fixed (left) and movable (right) fingers under UV light (6). A. Vaejovis aguazarca Díaz-Plascencia and Gonz´alez-Santill´an sp. nov. B. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. C. Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015.
Fig. 9 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 9. Pedipalp chela of Vaejovis aguazarca Díaz-Plascencia and Gonz´alezSantill´an sp. nov. under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
Fig. 3 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 3. Vaejovis aguazarca Díaz-Plascencia and Gonz´alez-Santill´an sp. nov., habitus. A, B 6, C, D. ♀ (CNAN-S4005). A, C. Dorsal aspect. B, D. Ventral aspect. Scale bar =5 mm.
Fig. 4 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 4. Chelicerae dorsal and ventral aspects under UV light (6). A. Vaejovis aguazarca Díaz-Plascencia and´Gonzalez-Santillan´sp. nov. B. Vaejovis aquascalentensis Ch´avez-Samayoa and Gonz´alez-Santill´an sp. nov. C. Vaejovis tenamaztlei Contreras-F´elix, Francke and Bryson, 2015.
Fig. 7 in Two new species of Vaejovis (Scorpiones: Vaejovidae) belonging to the mexicanus group from Aguascalientes, Mexico, with comments on the homology and function of the hemispermatophore
Fig. 7. Pedipalp femur of Vaejovis aguazarca Díaz-Plascencia and Gonz´alezSantill´an sp. nov. under UV light (6). A. Dorsal, B. Retrolateral, C. Ventral, and D. Prolateral aspects.
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