Abstract
We report a female specimen of Gerrhonotus parvus that represents a new record for the municipality of Santa Catarina, Nuevo León, Mexico. This species was known previously from only three localities in the state: the municipalitiy of Galeana; the type locality, Los Rayones, where only one specimen was registered; and San Isidro Canyon in Santiago, which previously was the northernmost locality and where the largest number of specimens have been observed and collected. This new record extends the range of the species 48.2 km northeast of the nearest known locality in Santiago. In addition, the specimen laid six eggs, which is the largest clucth documented so far. The type locality is located in a transition zone between pine forest (Pinus arizonica) and open gypsophilous scrub. However, the nature of the microhabitats at the other localities, including the northernmost one reported here, suggests that the species has a preference for dry limestone canyons.
Highlights
Efforts have been made to understand the phylogenetic relationships of the species in the genus (Good 1988a, 1994, and Conroy et al 2005), they remain unclear
The genus Gerrhonotus is endemic to North America and represented by six species: G. farri, G. infernalis, G. liocephalus, G. lugoi, G. ophiurus, and G. parvus
Gerrhonotus ophiurus is distributed in central and southwestern San Luis Potosí, eastern Querétaro, Hidalgo, Tlaxcala, Puebla, and mountainous areas of northern Veracruz (Lemos-Espinal and Dixon 2013); G. lugoi is isolated in the Basin of Cuatrociénegas, Coahuila (McCoy 1970); G. farri is found near Tula, Tamaulipas (Bryson and Graham 2010); and G. parvus is known only from the state of Nuevo León, in the municipalities of Galeana, Los Rayones, and Santiago (Banda-Leal et al 2013)
Summary
Efforts have been made to understand the phylogenetic relationships of the species in the genus (Good 1988a, 1994, and Conroy et al 2005), they remain unclear. The genus Gerrhonotus is endemic to North America and represented by six species: G. farri, G. infernalis, G. liocephalus, G. lugoi, G. ophiurus, and G. parvus.
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