Species diversity can be affected by the structure of vegetation, which may vary in height, density, and distribution of trees, shrubs, and other plant types, configuring different types of habitats. In this study, we evaluated the diversity of sarcosaprophagous Sarcophagidae communities inhabiting the remnant representative habitats protected in Ciervo de los Pantanos National Park: grasslands, forests, and wetlands. We hypothesized that the abundance and diversity of flesh flies would be higher in the grasslands and wetlands than in the forest patches. Samplings were carried out in each habitat type using baited traps during the four seasons in 2015, 2016, and 2019. We collected 585 sarcophagid flies of 17 species. Fifteen species were recorded in grasslands, twelve in the wetlands, and seven in the forests, Tricharaea (Sarcophagula) occidua (Fabricius) (Diptera: Sarcophagidae) being the most abundant (58.3% of the total sample). As expected, the highest abundance was recorded in grasslands whereas the lowest was found in forests. In addition, flesh fly abundance was affected by season. Sarcophagid assemblages differed between habitats and the overall dissimilarity was mainly explained by nestedness. This study provides important information about sarcosaprophagous sarcophagid flies in a little-studied protected natural area in Argentina, which is fundamental for their conservation and useful in forensic investigations.
Especímenes tipo de Tachinidae (Diptera) depositados en el Museo de La Plata, Argentina RESUMEN. Se provee un listado de los especímenes tipo de Tachinidae (Diptera) depositados en la colección entomológica del Museo de La Plata. La colección contiene 47 especímenes tipo de los cuales 32 especies fueron descritas por E. E. Blanchard y tres especies descritas por R. Cortés. La comparación de las descripciones originales con la información proveniente de las etiquetas revela la existencia de 25 holotipos, 19 sintipos y tres paratipos. Se proporciona información completa para cada tipo, incluida la referencia a la descripción original, los datos de la etiqueta y la condición de conservación. Además, se incluye un listado con especímenes etiquetados como tipos, pero que originalmente no fueron designados como tal.
RESUMEN. Leptofoenus (Leptofoeninae) es un grupo inusual dentro de Pteromalidae debido a sus particularidades morfológicas. Aunque, distribuido ampliamente en América pocos son los reportes documentados. En esta nota se registra el departamento del Valle del Cauca (Buenaventura) como nueva localidad de Leptofoenus stephanoides para Colombia; después de 38 años se reporta la especie nuevamente en el país. La única hembra colectada se encuentra depositada en el Museo de Entomología de la Universidad del Valle (MUSENUV) Cali, Valle del Cauca.
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