Abstract
The Japanese invasive jumping snail Ovachlamys fulgens is a pest of ornamental plants and an intermediate host of a nematode that causes eosinophilic meningitis. We expand its distribution to eight municipalities from Rio de Janeiro State, and one locality from the Paraná State, and generated for the first time partial sequences of the cytochrome c oxidase subunit I (COI) gene for Brazilian populations. External morphology, reproductive system, shell, radula, and jaw were also analyzed and described. Twenty-one lots were collected from Rio de Janeiro, Niterói, Magé, Miguel Pereira, Petrópolis, Teresópolis, Nova Friburgo, Bom Jardim and Paraty, in Rio de Janeiro State, and from Foz do Iguaçu, Paraná State. External morphology, shell and reproductive system were typical of O. fulgens, with some peculiarities found in the shell and radula. A single haplotype was found, which was 100% similar to sequences of COI available in GenBank for specimens from Japan and Argentina. The species seems to be adapted to many habitats and be rapidly expanding its distribution in Southeastern and Southern Brazil, and other South America countries. We highlight the importance of monitoring O. fulgens, considering its potential to compete with native mollusks, attack several plants, and be a transmitter of diseases.
Highlights
The genus Ovachlamys Habe, 1946 has traditionally been classified in the family Helicarionidae Bourguignat, 1877, Schileyko (2002) has classified it in Euconulidae H
This study aimed to expand the geographic distribution of O. fulgens to eight municipalities from Rio de Janeiro State, and one locality from the Paraná State, and generate for the first time sequences of the cytochrome c oxidase subunit I (COI) gene for Brazilian populations
We expand the distribution of O. fulgens to eight municipalities in Rio de Janeiro State, and one locality from the Paraná State, where the species is for the first time reported
Summary
The genus Ovachlamys Habe, 1946 has traditionally been classified in the family Helicarionidae Bourguignat, 1877, Schileyko (2002) has classified it in Euconulidae H. Ovachlamys fulgens (Gude, 1900) is a small terrestrial gastropod whose shell measures around 6-7 mm in diameter and 4.5 in height, popularly known as jumping snail because it possesses the ability to jump when threatened (Capivera & White 2011). It was originally described from Ryukyu Islands ( known as Loo-Choo), an archipelago currently administered by Japan (Barrientos 2000). This territory is formed by subtropical forests with a great biodiversity of organisms (Yasuhiro et al 2004)
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