RESUMO
Riodinidae are one of the most diverse families of Lepidoptera, mainly in the Neotropical region; however, their biology, ethology, taxonomy, systematics, and biogeography are poorly known. In Mexico, the regional and local distributions of the family are still incomplete. We review the distributional data of the genus Lasaia Bates (Lepidoptera: Riodinidae), based on records from four national and seven international collections. We record five species and seven subspecies in Mexico, with 2722 records, distributed in 314 localities of 24 states. The states with higher species richness are Chiapas, Oaxaca, and Veracruz; also, the genus was recorded in 11 of the 14 biogeographical provinces of Mexico. The tropical semi-deciduous and deciduous forests, below of 1000 m a.s.l., contain most of the diversity of Lasaia. Historical data are crucial for the study of local and regional diversity and ecological patterns at large temporal scales. Data presented here show the morphological and ecological variation of Lasaia over the last 80 years, mostly from the XX century when anthropogenic disturbances were intensified. This kind of studies is the first step in recording the historical distribution of these taxa, which will lead to more complex analyses on distribution range shifts, their causes and consequences.
Assuntos
Borboletas , Animais , Florestas , MéxicoRESUMO
Papilionoidea from Sierra de Huautla, Morelos and Puebla, México (Insecta: Lepidoptera). The Cuenca del Balsas region has significant biodiversity and endemicity of its herpetofauna, avifauna and vascular plants. Despite this, our knowledge of the Papilionoidea of the region is poor. We analyzed the local and temporal distribution of Papilionoidea at 24 localities in the states of Morelos and Puebla. The study sites are situated between 900 and 1300 m. a. s. l., and are composed of dry tropical forest (dtf). We recorded 8790 individuals of 83 genera and 142 species of Papilionoidea (sensu Kristensen, 1975), over 79 days of field work, with 2-4 days at each of the 24 localities. Twenty five species were newly recorded for the state of Puebla. Our data render Morelos and Puebla among the seven richest Mexican states, in terms of Papilionoidea diversity. Our results show that the Sierra de Huautla has the lowest diversity, but the highest standard abundance, compared to other Mexican regions with similar vegetation. Patterns of diversity and seasonal abundance are atypical, in that individuals of many species are unusually abundant during the wet months. Rev. Biol. Trop. 56 (4): 16771716. Epub 2008 December 12.
La Cuenca del Balsas es una región singular donde se encuentra una representación significativa de la riqueza y el endemismo de la flora, la herpetofauna y la avifauna mexicanas. Sin embargo, es escaso el conocimiento respecto a los papilionoideos (Lepidoptera), en especial aquellos asociados con la selva baja caducifolia. Aquí se presenta un estudio sobre la distribución local y temporal de los Papilionoidea de la cuenca alta en su vertiente oriental al río Balsas, en particular de la sierra de Huautla y áreas adyacentes. Se efectuaron 25 periodos de trabajo en campo para 24 localidades de sbc de los estados de Morelos y Puebla, ubicadas en altitudes entre los 900 y 1300 m. Se capturaron 8790 ejemplares que corresponden a 83 géneros y 142 especies de Papilionoidea (sensu Kristensen, 1975: Papilionidae, Pieridae, Nymphalidae y Lycaenidae) 18 endémicas a México, además 25 especies constituyen nuevos registros para Puebla. Con este trabajo, ambos estados se ubican entre los siete más ricos de México. En el análisis de la distribución local de la riqueza y la abundancia de los Papilionoidea, se encontró que la sierra de Huautla es la que presenta la menor riqueza con respecto a otras regiones con sbc y uno de los valores más altos de abundancia estandarizada. El Tepehuaje (Morelos) fue la localidad donde se encontraron los valores máximos de todo el estudio. La lepidopterofauna de la sierra de Huautla presenta un patrón estacional atípico de la riqueza, mientras que su abundancia tiene un comportamiento claramente estacional en el que las poblaciones de papilionoideos fueron bastante mayores durante la época húmeda.
Assuntos
Animais , Biodiversidade , Borboletas/classificação , Árvores , México , Densidade Demográfica , Dinâmica Populacional , Clima TropicalRESUMO
The Cuenca del Balsas region has significant biodiversity and endemicity of its herpetofauna, avifauna and vascular plants. Despite this, our knowledge of the Papilionoidea of the region is poor. We analyzed the local and temporal distribution of Papilionoidea at 24 localities in the states of Morelos and Puebla. The study sites are situated between 900 and 1300 m. a.s.l., and are composed of dry tropical forest (dtf). We recorded 8790 individuals of 83 genera and 142 species of Papilionoidea (sensu Kristensen, 1975), over 79 days of field work, with 2-4 days at each of the 24 localities. Twenty five species were newly recorded for the state of Puebla. Our data render Morelos and Puebla among the seven richest Mexican states, in terms of Papilionoidea diversity. Our results show that the Sierra de Huautla has the lowest diversity, but the highest standard abundance, compared to other Mexican regions with similar vegetation. Patterns of diversity and seasonal abundance are atypical, in that individuals of many species are unusually abundant during the wet months.
