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The limits of morphometric features for the identification of black-lip pearl oyster (Pinctada margaritifera) larvae ArchiMer
Paugam, A; D' Ollone, Christine; Cochard, Jean-claude; Garen, Pierre; Le Pennec, Marcel.
As with most cultivated bivalves, culture of the Tahitian pearl oyster Pinctada margaritifera is particularly dependent on the natural environment, especially for spat supply. The ability to track in real time the abundance and the development of pearl oyster larvae in the plankton would help optimize spat collection in atolls of French Polynesia. However no identification criteria are available for the larvae of several bivalves species present in the lagoons and it is not yet possible to specifically monitor pearl oyster larvae. The aim of this study is to determine the most pertinent morphological identification criteria, to specifically identify the larvae of P. margaritifera and differentiate them from those of three other abundant species: Pinctada...
Tipo: Text Palavras-chave: Morphological features; Larval identification; Pinctada margaritifera.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2531.pdf
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The larva of Neoneura confundens Wasscher and van’t Bosch, 2013 (Odonata, Coenagrionidae) and key to the larvae of genus Anais da ABC (AABC)
RODRÍGUEZ,JOSÉ S.; MOLINERI,CARLOS.
Abstract: The beautifully colored damselflies included in Neoneura Selys are divided in 28 species known from North, Central and South America. Larval stage is little known, only seven species were described at this stage. We describe and illustrate the final instar larva of Neoneura confundens for the first time. Adults associated to this larva correspond to the blue form of the species and are also discussed and illustrated. The larva of N. confundens is similar to other Neoneura larvae, showing 1 premental seta and a well-marked nodus in caudal lamellae, but it can be differentiated by having fringed posterior margin in all tibiae and in middle and hind tarsi, among other characters. A key to known larvae of Neoneura and new records extending the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Protoneuridae; Zygoptera; Immature stage; Larval identification.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000700603
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