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 ...

One of Costa Rica’s driest areas is the province of Guanacaste, in the Pacific Northwest, with almost no rain during the dry season from November to April. Due to this marked seasonality, the area is covered by dry tropical ...

Benthic macroinvertebrates are the most commonly suggested group of organisms for freshwater biomonitoring and have been extensively studied in temperate areas. On the other hand, the methodology and theoretical background ...

Life history characteristics of five species of Baetidae were investigated over a one-year period at Quebrada Gonza´ lez, a warmwater stream in Braulio Carrillo National Park. Larvae of three species of Baetodes and two ...

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, ...

Cada ambiente requiere adaptaciones particulares y por lo tanto alberga distintos grupos de organismos. El agua dulce es un medio distinto del agua salada y de la tierra firme. Muy pocas especies son capaces de vivir en ...

Se describe e ilustra por primera vez la larva y pupa de Limnephilus hamifer Flint 1963. La descripción está basada en material recolectado y criado del macizo montañoso Cerro de la Muerte de Costa Rica, además de material ...

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, ...

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 ...