Abstract
This is the first study of the composition of leaf beetles attracted to light in Mexico. We analyze the richness, temporal abundance and similarity between four localities of tropical dry forest in Sierra de San Javier, Sonora. A total of 3217 individuals belonging to 45 morphospecies, 31 genera and 10 tribes within five subfamilies of Chrysomelidae were collected in light traps in the tropical dry forest of Sierra de San Javier, Sonora. Galerucinae was the subfamily with the greatest number of genera and species. The genera with the highest number of species were Pachybrachis Chevrolat and Alagoasa Bechyné. Eight genera were represented by two species and 21 genera by only one species. Metrioidea rugipennis (Blake) was the species with the highest number of individuals (80% of the abundance recorded). According to the taxonomic and species similarity analysis, the sites San Javier and La Barranca had the highest similarity, while the lowest values were recorded at Rancho Las Peñitas and Cañón de Lo de Campa. The low similarity between sites cannot be explained by the geographic distance since it was not a determining factor to explain the low similarity in Sierra de San Javier.
Highlights
RESUMEN Este trabajo es el primer estudio sobre la composición de crisomélidos atraídos a la luz en México
Richness and abundance A total of 3217 individuals belonging to 45 species, 31 genera and 10 tribes within five subfamilies of Chrysomelidae were caught in light traps (Fig. 2)
The leaf beetles caught in this study represents 2% of the species recorded in Mexico (Ordóñez-Reséndiz and López-Pérez in press)
Summary
La abundancia temporal y la similitud entre cuatros localidades de bosque tropical seco en la Sierra de San Javier, Sonora. Se colectaron un total de 3217 individuos pertenecientes a 445 morfoespecies, 31 géneros y 10 tribus dentro de cinco subfamilias de Chrysomelidae en un bosque seco tropical de la Sierra de San Javier, Sonora. Galerucinae fue la subfamilia con el mayor número de géneros y especies. De acuerdo con el análisis de similitud taxonómica y de especies, San Javier y La Barranca tuvieron la mayor similitud, mientras que la menor se encontró en el Rancho Las Peñitas y el Cañón de Lo de Campa. La baja similitud entre los sitios no puede explicarse por la distancia geográfica ya que no fue un factor determinante para explicar la baja similitud en la Sierra de San Javier. Light affects insect activity and development in several ways. Ordóñez-Reséndiz and López-Pérez (in press) documented the state distribution of Mexican leaf beetles based on published literature and examination of specimens in some museum collections, most of the species of leaf beetles are recorded from Veracruz (930), Oaxaca (782) and Guerrero (645), Sonora state has 218 species recorded; faunistic inventories need to be made in various entities of the country
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