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Confirmed presence of the Neotropical otter, Lontra longicaudis, in Laguna Bacalar, Quintana Roo, Mexico

Mildred Fabiola Corona-Figueroa a, John Alexander Giraldo-Mueses b, José Rogelio Cedeño-Vázquez a, *, Delma Nataly Castelblanco-Martínez c, d, Carlos Alberto Niño-Torres c, Pablo M. Beutelspacher-García e, Silvana Marisa Ibarra-Madrigal f, Jonathan Pérez-Flores g

The Neotropical otter Lontra longicaudis is one of the least studied mammals of the Yucatán Peninsula and its presence in some water bodies of this region is questionable. Laguna Bacalar is the largest freshwater body located in the Yucatán Peninsula and faces several conservation problems due to its high potential for tourism development.

Priorización y distribución de los anfibios en las áreas naturales protegidas de México

Daniel Eusebio Quintero-Vallejo a y Leticia Margarita Ochoa-Ochoa b, *

Leucocoprinus rhodolepis (Agaricaceae: Basidiomycota), a new species from Brazilian semi-arid region

Nathália U. Ferretti-Cisneros a, Alexandre G. S. Silva-Filho b, Felipe Wartchow a, *

A novel Leucocoprinus species was collected from the semi-arid region of Brazil in the Caatinga domain. Leucocoprinus rhodolepis is described based on morphological data. It is well characterized by its white pileus with distinct orange-pink pileal squamules at the center, ellipsoid basidiospores measuring 6.9-7.8 × 4.9-5.9 μm lacking an apical germ pore, and clavate to broadly clavate rarely ventricose-capitate cheilocystidia.

La comunidad de hongos micorrizógenos arbusculares en diferentes usos de suelo del bosque tropical perennifolio de Veracruz, México

América Baleón-Sepúlveda*, Viviana Rodríguez-Galicia, Carla Hudler, Irene Sánchez-Gallen, Manuel Casariego-Martínez, Guadalupe Barajas-Guzmán y Javier Álvarez-Sánchez

Redescription of Venezillo stuckchensis (Crustacea: Oniscidea: Armadillidae), a terrestrial isopod from the Baja California Peninsula, Mexico

Ilse E. Segura-Zarzosa a, Alejandro M. Maeda-Martínez b, Gopal Murugan b, Hortencia Obregón-Barboza b, *

For the Mexican oniscideans of the family Armadillidae, 6 species of the genus Cubaris Brandt, 1833 and 18 species of the genus Venezillo Verhoeff, 1928 have been recorded. Of them, only Venezillo stuckchensis (Mulaik, 1960) has been registered for the Baja California Peninsula (BCP). This species was described upon a single male and no biological studies exist on this taxonomic entity since its original description in 1960. In this work, we redescribe V. stuckchensis including the designation of a neotype and paratopotypes using specimens from the type locality.

Los ácaros del género Scapheremaeus (Oribatei: Cymbaeremaeidae) en Los Tuxtlas, Veracruz, con descripción de una especie nueva modificada para la vida arborícola

José G. Palacios-Vargas, Ricardo Iglesias y Jair Páez *