Now showing items 1-10 of 17
Although insects are one of the most diverse groups of organisms on earth, relatively few species are found associated with marine habitats. The majority of these marine species live in intertidal or coastal habitats and ...
Costa Rica is a country with abundant and diverse freshwater ecosystems, which are influenced and characterized by different orographic precipitation regimes. This variety of habitats harbors great biological diversity, ...
La colección de Entomología Acuática del Museo de Zoología, Universidad de Costa Rica: lista actualizada de géneros, importancia y retos futuros
The aquatic entomology collection in the Zoological Museum at the University of Costa Rica: updated checklist of genera, importance, and future challenges.
Los macroinvertebrados acuáticos, y en especial los insectos, son el grupo de organismos más utilizado para determinar el estado de conservación de los ecosistemas acuáticos en estudios de calidad del agua y biomonitoreo ...
A new species of Anacroneuria Klapálek 1909 (Plecoptera: Perlidae) and notes on the altitudinal distribution of the genus in Costa Rica
Anacroneuria is the most widespread genus of Perlidae throughout the Neotropical Region and 30 species have been reported from Costa Rica. In this paper, we describe and illustrate a new species from a high elevation cloud ...
The larva of Perissolestes remotus (Williamson & Williamson, 1924) (Zygoptera: Perilestidae)
The larva of Perissolestes remotus is described for the first time based on Costa Rican specimens collected in forested streams with abundant organic matter. It is characterized by a slender, elongated body, with lateral ...
Aquatic insect diversity of Costa Rica: state of knowledge
Costa Rica hosts an extraordinarily high biodiversity and is among the best studied neotropical countries. Insects represent the most diverse group of organisms, not only in terrestrial but also in aquatic, especially ...
Responses of aquatic macroinvertebrates to human pressure in a tropical highland volcanic basin: Birrís River, Irazú Volcano (Costa Rica)
Respuestas macroinvertebrados acuáticos a la presión humana en una cuenca tropical volcánica alta: Río Birrís, Volcán Irazú (Costa Rica)
Background. Tropical mountain rivers are strategic sources of water for human development while biological communities are indicators of the status of these ecosystems. However, volcanic basins close to large urban areas ...
The neotropical damselfly genus Cora: new larval descriptions and a comparative analysis of larvae of known species (Odonata: Polythoridae)
The final larval stadium of four species of Cora are described and compared with known species in the genus. Cora skinneri Calvert, 1907, C. semiopaca Selys, 1878 and C. lugubris Navás, 1934 are described and illustrated ...
The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records
Brachymetra bernaldi Cordeiro, sp. nov. (Hemiptera: Heteroptera: Gerridae) from Heredia, Costa Rica, is herein described, illustrated, and compared with congeners. The new species resembles B. albinervus (Amyot & Serville, ...
The management of Typha domingensis (Typhaceae) affects macroinvertebrate assemblages in the Palo Verde Wetland, Guanacaste, Costa Rica
The Palo Verde wetland, one of the most important places for aquatic organisms in Costa Rica, is currently recovering from an invasive expansion of Typha domingensis (cattail). A monitoring program was designed to understand ...