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Insights into the generic affinities of Longiverena Pilsbry & Olsson, 1935 (Gastropoda: Thiaridae) based on partial sequences of the mitochondrial 12s rRNA gene
(Sociedade Brasileira de Genética, 2018-09-10)
Longiverena Pilsbry & Olsson, 1935 is a genus of freshwater snails included in the family Thiaridae Gill, 1871. The genus was created to accommodate several mid-Tertiary species, and currently has only one living species, ...
Corrosion of nonferrous metals and their alloys
(Hindawi, 2018-05-31)
Corrosion is the result of the interaction of a material (metal) with its environment.
Thecorrosion process depends on the properties of both metal (and alloy) and surrounding environment. Usually, the more important ...
First record of the semi-slug Omalonyx unguis (d’Orbigny, 1837) (Gastropoda, Succineidae) in the Misiones Province, Argentina
(Pensoft editor, 2018-10-07)
Omalonyx unguis (d’Orbigny, 1837) is a semi-slug inhabiting the Paraná river basin. This species belongs to Succineidae, a family comprising a few representatives in South America. In this work, we provide the first record ...
Yerba mate (Ilex paraguariensis, A. St.-Hil.) de novo transcriptome assembly based on tissue specific genomic expression profiles
(BioMed Central, 2018-12-07)
Background: The most common infusion in southern Latin-American countries is prepared with dried leaves of Ilex paraguariensis A. St.-Hil., an aboriginal ancestral beverage known for its high polyphenols concentration ...
Population fluctuation of Culicoides insignis Lutz (Diptera: Ceratopogonidae) in Posadas, Misiones, ArgentinaFluctuación poblacional de Culicoides insignis (Diptera: Ceratopogonidae) en Posadas, Misiones, Argentina
(Sociedad Entomológica Argentina, 2018-12-27)
En Argentina, la distribución de la enfermedad del Virus de la Lengua Azul se encuentra restringida al noreste del país. En la región Neotropical el principal vector sería Culicoides insignis Lutz. El objetivo de este ...
Uncovering the evolutionary history of neo-XY sex chromosomes in the grasshopper Ronderosia bergii (Orthoptera, Melanoplinae) through satellite DNA analysis
(BioMed Central, 2018-01-08)
Background Neo-sex chromosome systems arose independently multiple times in evolution, presenting the remarkable characteristic of repetitive DNAs accumulation. Among grasshoppers, occurrence of neo-XY was repeatedly noticed ...
What happened in the South American Gran Chaco? Diversification of the endemic frog genus Lepidobatrachus Budgett, 1899 (Anura: Ceratophryidae)
(Elsevier, 2018)
The Chaco is one the most neglected and least studied regions of the world. This highly-seasonal semiarid biome is an extensive continuous plain without any geographic barrier, and in spite of its high species diversity, ...
Trophic structure of frugivorous bats in the Neotropics : emergent patterns in evolutionary history
(Wiley-Blackwell Publishing, 2018-01-31)
1. Knowing the relative importance of phylogeny in dietary specialisation in frugivorous bats is key to understanding the ecological and evolutionary processes that drove their diversification and to elucidating the ...
When the cure kills—CBD limits biodiversity research : national laws fearing biopiracy squelch taxonomy studies
(American Association for the Advancement of Science, 2018-06-29)
The Convention on Biological Diversity (CBD) commits its 196 nation parties to conserve biological diversity, use its components sustainably, and share fairly and equitably the benefits from the utilization of genetic ...
Hyla prasina Burmeister, 1856 meets the requirements of Article 23.9.1 of the Code for a reversal of precedence over Hyla quoyi Bory de Saint-Vincent, 1828 (Anura, Hylidae)
(Magnolia Press, 2018-07-04)
In a recent work, Ohler and Dubois (2018) discussed the correct application of Article 23.9 of the Code (Anonymous,1999; 2012) and illustrated it with some concrete cases in which the authors considered that the Article ...