Silvana Burela

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1. The effect of temperature on the activity of the freshwater snail Pomacea canaliculata was investigated through field surveys and laboratory trials. 2. During winter most snails in the field were inactive but not in a deep lethargic state; the temperature at which half of the snails were active was 13–15 1C. 3. The time spent active and feeding increased(More)
Pomacea canaliculata (Lamarck, 1822) is a freshwater snail belonging to the family Ampullariidae, a taxon that includes Asian, African and American species collectively known as apple snails. P. canaliculata ranges from the Amazonas Basin (Brazil) to Tandilia and Ventania Mountain systems (Buenos Aires province, Argentina) and is the most widely studied(More)
Temnocephala iheringi is the most common temnocephalan inhabiting the mantle cavity of the apple snail Pomacea canaliculata, a freshwater neotropical gastropod that has become a serious rice pest in Southeastern Asia. T. iheringi has been recorded from Mato Grosso (Brazil) to water bodies associated with the Río de la Plata river (Argentina). During an(More)
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