Abstract
Se hallaron tres especies de copépodos harpacticoides de la familia Darcythompsoniidae en muestras de agua tomadas de la Bahía del Rodadero (Colombia). Leptocaris colombiana sp. nov. pertenece al grupo brevicornis, y se caracteriza por la anténula de cinco segmentos, somita genital y tercer urosomita de la hembra discretos (no fusionados), ramas caudales con seis setas, exópodo de la antena representado por dos setas, alobase de la antena sin seta abexopodal, palpo mandibular reducido a una seta, primer segmento del endópodo de la pata uno con una seta interna y segundo segmento con dos setas apicales, y pata cinco con tres setas. Leptocaris vicina sp. nov. pertenece al grupo mangalis y es similar a L. stromatolicola en la fórmula de setas y espinas de las patas uno a cuatro, pata cinco de la hembra con dos setas internas pequeñas de la misma longitud y un elemento externo largo, anténula de la hembra de cinco segmentos, alobase de la antena con una seta abexopodal, exópodo de la antena reducido a dos setas, palpo mandibular reducido a una seta, maxila con dos enditos. Estas dos especies pueden distinguirse por la forma del opérculo anal, por la longitud relativa de los segmentos del endópodo de las patas dos y tres, y por la espina interna del segmento del endópodo de la antena. Finalmente, el registro de Darcythompsonia inopinata en el norte de Colombia representa un continuo a lo largo de la costa caribeña del dominio del Pacífico, subregión Brasileña.
Highlights
The marine and brackish harpacticoid fauna from Colombia has received some attention recently, and 15 families, 28 genera, and 48 species of harpacticoid copepods are known (Fuentes-Reinés and Zoppi de Roa 2013a, b, Fuentes-Reinés and Gómez 2014, Fuentes-Reinés and Suárez-Morales 2014a, b, Fuentes-Reinés et al 2015, Gómez and Fuentes-Reinés 2017, SuárezMorales and Fuentes-Reinés 2015a, b), including the three representatives of the family Darcythompsoniidae reported
Several harpacticoid copepods were gathered in water samples taken from mangrove ecosystems and oyster banks in Rodadero Bay, Magdalena, northern Colombia
We found specimens of Tisbintra (Tisbidae) and Geehydrosoma (Cletodidae), whose descriptions were published earlier (Gómez and Fuentes-Reinés 2017)
Summary
The marine and brackish harpacticoid fauna from Colombia has received some attention recently, and 15 families, 28 genera, and 48 species of harpacticoid copepods are known (Fuentes-Reinés and Zoppi de Roa 2013a, b, Fuentes-Reinés and Gómez 2014, Fuentes-Reinés and Suárez-Morales 2014a, b, Fuentes-Reinés et al 2015, Gómez and Fuentes-Reinés 2017, SuárezMorales and Fuentes-Reinés 2015a, b), including the three representatives of the family Darcythompsoniidae reported They are common inhabitants of mangrove ecosystems (Por 1983, Gee and Somerfield 1997, Boxshall and Halsey 2004, Huys et al 2016), members of the family Darcythompsoniidae are common in some other habitats (ZamudioValdéz and Reid 1990, Fiers 1986). Several harpacticoid copepods were gathered in water samples taken from mangrove ecosystems and oyster banks in Rodadero Bay, Magdalena, northern Colombia. In Rodadero Bay, Magdalena, northern Colombia (11°14’ North, 74°12’ West) These samples were collected monthly from August 2015 to June 2016. The following abbreviations are used throughout the text and figures: ae, aesthetasc; P1P4 ENP/EXP1-3, first (proximal) to third (distal) endopodal/exopodal segment of first to fourth leg; P5, fifth leg
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