Now showing items 1-10 of 11
The true Argia difficilis Selys, 1865, with the description of Argia yungensis sp. nov. (Odonata: Coenagrionidae)
(American Entomological Society, 2007-12)
Argia yungensis sp. nov., a new species close to Argia difficilis, is described. Both species are illustrated and diagnosed and their distributions mapped. They can be distinguished by the morphology of male tori, cerci ...
The larva of Argia joergenseni Ris, 1913 (Zygoptera: Coenagrionidae)
(Societas Internationalis Odonatologica, 2007-12)
The genus ArgiaRambur, 1842, withover a hundredand ten describedspecies, is the most speciose genus ofSouthAmericancoenagrionid damselflies.About 38 of its species are also known from theirlarval stage (NOVELO-GUTIERREZ, ...
Territoriality and male-biased sexual size dimorphism in Argia reclusa (Odonata: Zygoptera)
(SPRINGER HEIDELBERGHEIDELBERG, 2012)
In Odonata, many species present sexual size dimorphism (SSD), which can be associated with male territoriality in Zygoptera. We hypothesized that in the territorial damselfly Argia reclusa, male-male competition can favor ...
Description of the larva of Argia percellulata (Odonata: Coenagrionidae)
(International Journal of Odonatology, 2012)
Untangling some taxonomic riddles on damselfly genera (Zygoptera) from the neotropical region
(International Dragonfly Fund, 2007-12)
Examination of type material deposited in the IRSNB (Royal Belgian Institute of Natural Sciences, Brussels, Belgium) and in the BMNH (British Museum of Natural History, London, Great Britain) allowed us to solve taxonomic ...
Odonata de Uruguay: lista de especies y nuevos registrosOdonata from Uruguay: species list and new records
(Sociedad Entomológica Argentina, 2009-06)
Se proporciona una lista de las 70 especies citadas para Uruguay. Catorce de ellas constituyen nuevos registros para el país: Mnesarete pruinosa (Hagen en Selys) [Calopterygidae), Acanthagrion lancea Selys, A. peruvianum ...
Oreiallagma gen. nov. with a redefinition of Cyanallagma Kennedy 1920 and Mesamphiagrion Kennedy 1920, and the description of M. dunklei sp. nov. and M. ecuatoriale sp. nov. from Ecuador (Odonata: Coenagrionidae)
(Magnolia Press, 2008-12)
In this paper we re-evaluate Cyanallagma Kennedy 1920, which currently includes 15 species, and we address another five species that share diagnostic characters with some of them but are currently placed within Leptagrion ...
Distribuição espacial de insetos predadores em riachos da região norte da Serra do Mar, Estado de São Paulo
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-graduação em Ecologia e Recursos Naturais, 2010-03-31)
This study aimed at determining whether environmental factors as vegetation, environmental integrity, water flow, water velocity and physical and chemical characteristics of the water (pH, dissolved oxygen, temperature and ...