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A formação dos oostegitos em Porcellio dilatatus Brandt (Crustácea, Isopoda, Oniscidea) em laboratório Zoologia
Loyola e Silva,Jayme de; Coraiola,Maria Aparecida Sídor.
Woodlice were reared in laboratory in the environmental climate of the city of Curitiba, Brazil, with the purpose of getting to know the process of formation of oostegites. Two kinds of cultivation were adopted: natural populations to be controlled were kept in small glass aquariums resembling the natural environment; and, new-bom woodlice were raised each one isolated in small plastic receptacles, with a special diet until two years old or over. When adults, after recognizing their sexes, males and females were put together to copulate during one or more days, and some of the females were fertilized. After 30 days, the fertilized females realized ecdise and acquired oostegites. The complete process (copulation, fecundation, incubation and birth) occurred...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crustácea; Isopoda; Oniscidea; Porcellio dilatatus; Oostegites.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000500021
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De brede pissebed Porcellio dilatatus komt nog vrijlevend voor in Nederland (Isopoda: Porcellionidae) Naturalis
Berg, M.P.; Noordwijk, C.G.E. van; Kruithof , A..
De provincie Limburg is relatief goed onderzocht op het voorkomen van landpissebedden. De vele onderzoeken hebben in een lijst van 25 soorten geresulteerd, waaronder een aantal dat grotendeels tot deze provincie beperkt is. De brede pissebed komt onder natuurlijke omstandigheden alleen in Zuid-Limburg voor en is in de rest van het land verspreid in tropische kassen en soms in huis aan te treffen. Sinds de oprichting van de EIS-werkgroep Bodemfauna in 1990 werd ze ondanks goed zoeken niet meer vrijlevend in Limburg waargenomen. De laatste waarneming dateerde alweer van 1981. Daar is nu verandering in gekomen. In materiaal verzameld in kalkgraslanden in Zuid-Limburg in de zomer en herfst van 2005 werd P. dilatatus gevonden. Daarna is ze ook op andere...
Tipo: Article / Letter to the editor Palavras-chave: Isopoda; Porcellionidae; Porcellio dilatatus; Nederland; Verspreiding; Herkenning; 42.75.
Ano: 2011 URL: http://www.repository.naturalis.nl/record/512618
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Optimization of culture conditions of Porcellio dilatatus (Crustacea: Isopoda) for laboratory test development IPB - Escola Superior Agrária
Caseiro, Isabel; Santos, Sónia A.P.; Sousa, J.P.; Noguera, A.J.A.; Soares, A.M.V.M..
This paper describes the experimental results for optimizing isopod culture conditions for terrestrial ecotoxicity testing. The influence of animal density and food quality on growth and reproduction of Porcellio dilatatus was investigated. Results indicate that density influences isopod performance in a significant way, with low-density cultures having a higher growth rate and better reproductive output than medium- or high-density cultures. Alder leaves, as a soft nitrogen-rich species, were found to be the best-quality diet; when compared with two other food mixtures, alder leaves induced the best results, particularly in terms of breeding success. Guidance regarding culture conditions of isopod species, especially in terms of culture density and diet,...
Tipo: Article Palavras-chave: Isopods; Porcellio dilatatus; Density; Food quality; Growth; Reproduction.
Ano: 2000 URL: http://hdl.handle.net/10198/849
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