Results 21 to 30 of about 602,964 (180)

Primer registro de nematodos parásitos de Physalaemus santafecinus (Anura: Leiuperidae) de Corrientes, Argentina

open access: yesRevista Mexicana de Biodiversidad, 2010
Ciento ochenta y tres nematodos fueron recolectados de 81 adultos del leiupérido Physalaemus santafecinus examinados en Corrientes, Argentina y capturados entre enero del 2002 y diciembre del 2003.
Cynthya Elizabeth González   +1 more
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

[Trofeo Región 1973] [Material gráfico] [PDF]

open access: yes, 1973
Algunas fotos no indican autoría; el resto firmadas por Foto Sierra (Oviedo)Contiene fotografías pertenecientes al archivo fotográfico del diario "Región", publicadas hacia ...
Diario Región (Oviedo)   +1 more
core   +1 more source

Las especies neotropicales de Proisotoma (Collembola: Isotomidae), con descripción de dos especies nuevas cavernícolas de América

open access: yesRevista Mexicana de Biodiversidad, 2009
Se describen e ilustran 2 especies nuevas cavernícolas de Proisotoma s. str., P. turikana sp. nov. de Venezuela, y P. santosorum sp. nov. de México. Además, se proporciona una clave para identificar las especies neotropicales de Proisotoma sensu lato y ...
José Palacios-Vargas, Javier Arbea
doaj   +1 more source

First record of Megaselia rufipes (Meigen, 1804) (Diptera: Phoridae) from Uruguay with notes on biology [PDF]

open access: yesCheck List, 2012
Megaselia rufipes (Meigen, 1804) is recorded for the first time in Uruguay, extending the Neotropical distribution of this taxon. The specimens were collected in a cemetery in Montevideo with ball-traps baited with carrion, placed inside crypts, from ...
Patricia Gonzalez-Vainer   +5 more
doaj   +3 more sources

Morpho‐functional analyses of the jaw apparatus in the Blue‐and‐yellow Macaw (Ara ararauna, Psittaciformes, Aves): Adaptations to feeding behavior

open access: yesThe Anatomical Record, EarlyView.
Abstract Macaws are renowned for processing dry, mechanically resistant fruits, yet the species‐level anatomical and functional correlates of this performance remain incompletely resolved. We examined the feeding apparatus of the Blue‐and‐yellow Macaw (Ara ararauna) using an integrated approach that combines osteology, myology, and bite‐force estimates
Sérgio R. Posso   +2 more
wiley   +1 more source

Nuevas especies de chinches patinadoras (Hemiptera: Heteroptera: Gerridae) de Colombia

open access: yesActa Biológica Colombiana, 2018
Se describen dos nuevas especies de los géneros Limnogonus Stål (Gerrinae) y Rheumatobates Bergroth (Rhagadotarsinae) de Colombia. Limnogonus carinatus sp. nov.
Fredy Molano Rendón   +2 more
doaj   +1 more source

Clade‐wide morphological and functional variation of the sauropsid columella

open access: yesThe Anatomical Record, EarlyView.
Abstract The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparity in several clades; however, its morphological variation and associated functional consequences remain poorly described.
John Peacock   +4 more
wiley   +1 more source

Las avispas Dryinidae de la región neotropical (Hymenoptera: Chrysidoidea)

open access: yesBiota Colombiana, 2000
Los Dryinidae (Hymenoptera: Chrysidoidea) constituyen una familia de avispas cosmopolita con aproximadamente 1400 especies, que son parasitoides y normalmente también depredadores de Hemiptera Auchenorrhyncha.
Massimo Olmi   +2 more
doaj   +10 more sources

Segmental composition and nerve distribution of the brachial plexus in Galictis cuja

open access: yesThe Anatomical Record, EarlyView.
Abstract Galictis cuja is a neotropical mustelid with terrestrial locomotor habits, yet the anatomy of its brachial plexus has remained undescribed. This study characterizes the origin, organization, and distribution of the brachial plexus nerves in 15 adult specimens (30 antimeres).
Natan da Cruz de Carvalho   +6 more
wiley   +1 more source

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