Two new species of Ageniella Banks, 1912 (Hymenoptera: Pompilidae) from Brazil and updated keys
Ageniella Banks, 1912 is a paraphyletic group exclusive to the Nearctic and Neotropical regions. The genus has a remarkable morphological diversity among species and strong sexual dimorphism, hampering taxonomic studies of it.
Márcia Rapoza, Cecilia Waichert
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A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]
Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo +4 more
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Background The temporal and geographical diversification of Neotropical insects remains poorly understood because of the complex changes in geological and climatic conditions that occurred during the Cenozoic.
Condamine Fabien L +3 more
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Changes in Species Richness and Composition of Tiger Moths (Lepidoptera: Erebidae: Arctiinae) among Three Neotropical Ecoregions [PDF]
Paraná, Yungas and Chaco Serrano ecoregions are among the most species-richterrestrial habitats at higher latitude. However, the information for tiger moths, one of the most speciose group of moths, is unknown in these ecoregion. In this study, we assess
Beccacece, Hernán Mario +2 more
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Comparative Gut Microbiota of 59 Neotropical Bird Species [PDF]
The gut microbiota of vertebrates are essential to host health. Most non-model vertebrates, however, lack even a basic description of natural gut microbiota biodiversity. Here, we sampled 116 intestines from 59 Neotropical bird species and used the V6 region of the 16S rRNA molecule as a microbial fingerprint (average coverage per bird ~80,000 reads ...
Sarah M Hird +7 more
openaire +3 more sources
Se describen e ilustran por primera vez para México 6 especies del género Fomitiporia: F. apiahyna, F. calkinsii, F. dryophila, F. langloisii, F. maxonii y F. texana, y se amplía la distribución de F. sonorae para el estado de Querétaro.
Tania Raymundo +5 more
doaj
DNA barcode detects high genetic structure within neotropical bird species. [PDF]
BACKGROUND: Towards lower latitudes the number of recognized species is not only higher, but also phylogeographic subdivision within species is more pronounced.
Erika Sendra Tavares +3 more
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Neotropical Seasonally Dry Forests: Response of Soil Fungal Communities to Anthropogenic Actions [PDF]
The aim of this review was to analyze the information available on soil fungal community of Neotropical Seasonally dry forests, with special attention given to the Chaco area.
Merlos, Cristina Soledad +2 more
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Acute toxicity of sodium metabisulphite on mangrove crab Ucides cordatus (Decapoda, Ucididae)
The sodium metabisulphite salt is usually used in shrimp culture to prevent black spot. Unfortunately the toxicological effect of this xenobiotic in decapod crabs is unknown. Thus, the present study aims to investigate the sodium metabisulphite LC50 - 96
Adriana B. Pedale +3 more
doaj
The genus Tekellina Levi, 1957 is currently composed of ten species, six of which are Neotropical. They are small-sized spiders (0.9 to 1.5 mm), with a wide distribution, with a great diversity in the Neotropical Region and well represented in Brazil ...
Narelle Estol +3 more
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