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The influence of landscape structure on the fine-scale movement behavior and meso-scale dispersion of two species of Calopterygid damselfly /Jonsen, Ian David. January 1900 (has links)
Thesis (M.Sc.)--Acadia University, 1998. / Includes bibliographical references (leaves 90-95). Also available on the Internet via the World Wide Web.
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Revisão do genero Oxyagrion Selys, 1876 (Odonata, Coenagrionidae)Costa, Janira Martins January 1977 (has links)
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Previous issue date: 1977 / Revisão do gênero Oxyagrion Selys, 1876 com análise da literatura científica a ele referente, relações de localidades, com sua posição geográfica (de acordo com o mapa do Brasil ao milionésimo) e altitudes, reexame de quase todos os tipos existentes, designação subsequente de tipos individuais, quatro chaves de identificação de dezoito espécies, uma para fêmeas e três para machos assim discriminadas: uma baseada exclusivamente no pênis, outra nos apêndices anais e uma terceira geral combinando cores com caracteres estruturais. Além de minuciosa análise dos caracteres genéricos são descritas quatro espécies novas e fêmeas atê então desconhecidas de cinco espécies e redescritas as espécies restantes, na maioria dos casos, baseadas nos tipos. Duas espécies não foram vistas pelo autor, Oxyagrion cardinale e Oxyagrion brucki. o macho de Oxyagrion cardinale e as fêmeas de Oxyagrion brucki e Oxyagrion haematinum ainda são desconhecidas. Oxyagrion divaricatum é considerado sinônimo de Oxyagrion microstigma e Oxyagrion terminale forma b Ris, 1918 é provisoriamente considerada sinônimo de Oxyagrion brucki. Afinidades entre Oxyagrion e Acanthagrion são apreciadas. / A revisionary study of the genus Oxyagrion Selys, 1876 offering an analysis of all scientific literature concerning it, listing of localities with geographical position (Brazilian map on the millionth) and altitude, reexamination of almost all existing types, subsequent designation of individual types, four keys of identification of eighteen species, one for females and three for males as follows: one based on penes, on anal appendages and another one combining colar and o ther other structural characters. Besides a minutious analysis of character of the genus, four new species and unknown females of five species are described and the remaining species are redescribed, most of them based on the types. Two species are not seen by the author, Ox. cardinale and Ox. bruchi. The male of Ox, cardinale, the females of Ox. bruchi and Ox. haematinum are unknown yet. Ox, divaricatum is presented as synonymous of Ox microstigma and Ox. terminale form b Ris, 1918 is provisionally traited as synonymous of Ox. bruchi. Affinities between oxyagrion and Acanthagrion are raised.
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Phylogeny of the Genus <i>Argia</i> (Odonata: Coenagrionidae) with Emphasis on Evolution of Reproductive MorphologyCaesar, Ryan Matthew 26 June 2012 (has links)
No description available.
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