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Macrothrix marthae, a new species (Crustacea: Anomopoda: Macrothricidae), a highly specialized macrothricid from Mexico

Tipo de material: Artículo impreso(a) Artículo impreso(a) Idioma: Español Tema(s) en español: Tema(s) en inglés: Clasificación:
  • AR/595.32097263 E4
Formatos físicos adicionales disponibles:
  • Disponible en línea
 En: Proceedings of the Biological Society of Washington volumen 113, número 3 (2000), páginas 652-660Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Resumen:
Inglés

Macrothrix marthae new species is described from a tropical epicontental lagoon, near the gulf coast of Mexico. The structure of the second antenna resembles some taxa related to the Macrothrix triserialis-group, but mostly to the South-American Macrothrix superaculeata (Smirnov, 1982). However, parthenogenetic females of M. marthae are characterized by both morphological differences and strong specialization for scraping in the thoracic limbs I-V. Some of these distinguishing characters are: internal distal lobe of trunk limb I with three strongly pectinate setae, limbs II, III, and V with modified setae bearing well-developed pectens. The postabdomen has small spines, with no lobe formation. The new species was found to be associated with water hyacinth roots, and the adaptations observed are thought to be used to scrape efficiently organic matter from these roots.

Número de sistema: 46041
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Artículos Biblioteca Electrónica Recursos en línea (RE) ECOSUR Recurso digital ECO400460413758
Artículos Biblioteca San Cristóbal Artículos (AR) ECOSUR AR 595.32097263 E4 001 Disponible ECO010019101

Disponible para usuarios de ECOSUR con su clave de acceso

Macrothrix marthae new species is described from a tropical epicontental lagoon, near the gulf coast of Mexico. The structure of the second antenna resembles some taxa related to the Macrothrix triserialis-group, but mostly to the South-American Macrothrix superaculeata (Smirnov, 1982). However, parthenogenetic females of M. marthae are characterized by both morphological differences and strong specialization for scraping in the thoracic limbs I-V. Some of these distinguishing characters are: internal distal lobe of trunk limb I with three strongly pectinate setae, limbs II, III, and V with modified setae bearing well-developed pectens. The postabdomen has small spines, with no lobe formation. The new species was found to be associated with water hyacinth roots, and the adaptations observed are thought to be used to scrape efficiently organic matter from these roots. Inglés

Disponible en línea

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