Primer registro e histología básica del anfípodo terrestre Talitroides topitotum (Amphipoda: Talitridae), introducido en las zonas montañosas de Heredia, Costa Rica

 

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Autors: Alfaro Montoya, Jorge, Umaña Castro, Rodolfo
Format: artículo original
Estat:Versión publicada
Data de publicació:2013
Descripció:This study documents for the first time the introduction of the terrestrial amphipod, Talitroides topitotum (Talitridae) to mountain regions of San Rafael and Barva, Heredia, Costa Rica, with predominance of juveniles and adult females with and without eggs. The species comes from Asia and could have been introduced associated with exotic plants. Basic aspects of histology are described, including the cellular structure of the main organs: heart, intestine, hepatopancreas, ovary, nerve cord, gill and oostegite. Adult females present massive formations of spongy connective tissue surrounding the digestive system and ovaries; oocytes are observed in different stages of vitellogenesis, producing few large oocytes.  KEY WORDSCrustacea, Amphipoda, Talitridae, Talitroides topitotum, histology
Pais:Portal de Revistas UNED
Institution:Universidad Estatal a Distancia
Repositorio:Portal de Revistas UNED
Idioma:Español
OAI Identifier:oai:revistas.investiga.uned.ac.cr:article/294
Accés en línia:https://revistas.uned.ac.cr/index.php/cuadernos/article/view/294