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Natural infection of Deroceras laeve (Mollusca: gastropoda) with metastrongylid larvae in a transmission focus of abdominal angiostrongyliasis

Angiostrongylus costaricensis is a nematode parasitic of rodents. Man may become infected by ingestion of the third stage larvae produced within the intermediate hosts, usually slugs from the family Veronicellidae. An epidemiological study carried out in a locality in southern Brazil (western Santa...

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Bibliographic Details
Published in:Revista do Instituto de Medicina Tropical de São Paulo 2002-02, Vol.44 (1), p.53-54
Main Authors: MAURER, Rafael Lucyk, GRAEFF-TEIXEIRA, Carlos, THOMÉ, José Willibaldo, CHIARADIA, Luís Antônio, SUGAYA, Hiroko, YOSHIMURA, Kentaro
Format: Article
Language:English
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Summary:Angiostrongylus costaricensis is a nematode parasitic of rodents. Man may become infected by ingestion of the third stage larvae produced within the intermediate hosts, usually slugs from the family Veronicellidae. An epidemiological study carried out in a locality in southern Brazil (western Santa Catarina State) where these slugs are a crop pest and an important vector for A. costaricensis has documented for the first time the natural infection of Deroceras laeve with metastrongylid larvae. This small limacid slug is frequently found amid the folds of vegetable leaves and may be inadvertently ingested. Therefore D. laeve may have an important role in transmission of A. costaricensis to man. Angiostrongylus costaricensis é um nematódeo parasita de roedores. O homem pode se infectar pela ingestão da larva de terceiro estágio produzida nos hospedeiros intermediários, geralmente lesmas da família Veronicellidae. Em estudo epidemiológico em curso numa localidade no sul do Brasil (oeste do Estado de Santa Catarina) onde aquelas lesmas constituem praga agrícola e importantes vetores do A. costaricensis, documentou-se pela primeira vez a infecção natural de Deroceras laeve com larvas de metastrongilídeos. Este pequeno limacídeo é freqüentemente encontrado entre as dobras de folhas de verduras e pode ser ingerido inadvertidamente. É possível que tenha um papel importante na transmissão de A. costaricensis para o homem.
ISSN:0036-4665
1678-9946
0036-4665
1678-9946
DOI:10.1590/S0036-46652002000100009