ECOLOGICAL NICHE MODELS BY TITYUS SERRULATUS LUTZ & MELLO, 1922 AND TITYUS STIGMURUS (THORELL, 1876) (ARACHNIDA: SCORPIONES)

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  ECOLOGICAL NICHE MODELS BY TITYUS SERRULATUS LUTZ & MELLO, 1922 AND TITYUS STIGMURUS (THORELL, 1876) (ARACHNIDA: SCORPIONES) Summary Scorpions are venomous animals with high plasticity and can serve as models for biogeographical, natural history, and evolutionary studies. Ecological niche modeling can help in understanding essential characteristics of the geographic distribution of species, as well as allowing the prediction of future distribution patterns. Our objective was to model the ecological niche of the scorpion species *Tityus serrulatus * and *Tityus stigmurus* , as well as to identify the variables that influence their distribution in different biomes and their range limits in the Amazon, Caatinga, and Cerrado biomes. Data were obtained from 12 Brazilian arachnological collections. Bioclimatic variables were obtained from the WorldClim database, and niche modeling was implemented using the Maximum Entropy algorithm. The results showed that the Atlantic Forest bio...

Richness analysis and completeness of the scorpion fauna of Aguascalientes, Mexico with an identification key to species

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Richness analysis and completeness of the scorpion fauna of Aguascalientes, Mexico with an identification key to species

Abstract
The scorpion fauna of the state of Aguascalientes was revised based on specimens deposited in scientific collections and fieldwork. We evaluated the completeness of the scorpion species inventory of the Colección Zoológica of the Universidad Autónoma de Aguascalientes (CZUAA) based on nonparametric estimators. The results indicate that the number of species increased from 11 to 13, recording for the first time Chihuahuanus glabrimanus (Sissom & Hendrixson, 2005), a psammophilic species, and Centruroides balsasensis Ponce-Saavedra and Francke, 2004, a medically relevant species for public health. Finally, an identification key to the scorpion species of Aguascalientes is provided and a recount of ecological and biological traits of the species herein is studied. 

Fernanda, Chávez Samayoa & Escoto, Jaime & González Santillán, Edmundo. (2024). Richness analysis and completeness of the scorpion fauna of Aguascalientes, Mexico with an identification key to species. REVISTA MEXICANA DE BIODIVERSIDAD. 95. 10.22201/ib.20078706e.2024.95.5380.