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Maternal care and offspring behaviour in three theridiid species (Araneae, Theridiidae)
(2009)
Maternal care is widespread in theridiids. Theridion evexum Keyserling breaks the threads in the outer layer of the egg sac to allow its spiderlings to leave the sac. Achae-aranea tesselata (Keyserling) and Anelosimus ...
A taxonomic synopsis and morphological characterization of Myoxanthus (Orchidaceae: Pleurothallidinae)
(2021-06-10)
The taxonomic history, general description and distribution are provided for Myoxanthus. Morphological characterization of
the vegetative and reproductive organs is illustrated with photographs. A list of the 52 accepted ...
Conspecific and predator perception of the Red Oophaga pumilio Morph from the Central Caribbean of Costa Rica
(2020-11-04)
Strawberry Poison Frogs (Oophaga pumilio) are common members of leaf litter lowland communities in Central America and exhibit several color morphs throughout their distribution. Color plays a determinant role during intra- ...
Effects of temperature on the embryonic development and hatchling size of Betaeus emarginatus (Decapoda: Caridea: Alpheidae)
(2003)
Betaeus emarginatus is an alpheid shrimp inhabiting rock pool environments characterized by strong fluctuations of ambient factors. Here we describe the embryonic development of B. emarginatus, and analyse the effects of ...
El diagnóstico en psiquiatría: una discusión teórica y práctica para el abordaje clínico
Diagnosis in psychiatry: a theoretical and practical discussion for clinical assessment
(2017)
El artículo aborda las dificultades en el diagnóstico psiquiátrico por las características propias de estos trastornos que, junto con la definición de lo patológico desde la prescripción de lo moralmente aceptado y los ...
Ontogenetic changes in web architecture and growth rate of Tengella radiata(Araneae, Tengellidae)
(2008)
In some spiders features of the webs of early instars may represent features of the ancestor's web. Some second instar spiderlings (first instar outside of the egg sac) of Tengella radiata (Kulczynski 1909) construct a ...
Cocoon web induced by Eruga telljohanni (Ichneumonidae: Pimplinae) in Leucauge sp. (Tetragnathidae)
(2017)
The hosts and cocoon webs of koinobiont-ectoparasitic wasps in the genus Eruga Townes in Townes & Townes, 1960 are known for only two species. We describe here the host spider and cocoon web of a third Eruga species: E. ...
Southern hemisphere humpback whales (Megaptera novaeangliae) (Artiodactyla: balaenopteridae) singing activity at Caño Island Biological Reserve, Costa Rica before, during, and after COVID-19 lockdowns
Actividad de canto de las ballenas jorobadas (Megaptera novaeangliae) (Artiodactyla: Balaenopteridae) del hemisferio sur en la Reserva Biológica de la Isla del Caño, Costa Rica, antes, durante y después de los cierres asociados a la pandemia de COVID-19
(2023)
Introduction: Boat traffic is recognized as a major contributor of underwater noise. Increasing presence of boats in coastal habitats is predicted to have important repercussions on the communication of marine mammals. In ...
Percepción comunitaria sobre arrecifes coralinos en Golfo Dulce: bases para integración social en programas de restauración
Community perception of coral reefs in Golfo Dulce: bases for social integration in restoration programs
(2023)
Introduction: Addressing the accelerated coral reefs degradation requires integrated action at multiple social
and ecological scales. At local level, active participation of the main users must be included.
Objective: ...