Tag Archive for: Canary Islands

Four new fossil Napaeus species (Gastropoda: Enidae) from La Gomera (Canary Islands)

Author: C.J.P.J. Margry
Basteria, 88 (1): 29-37Published:

Abstract

Four fossil species of Napaeus from various parts of the Canary Island of La Gomera are new to science. The species are described and compared with other species of this genus. Including these four species, there are now 31 Napaeus species known from La Gomera and 76 species from the whole Canary archipelago. La Gomera is as such by far the most diverse island with respect to Napaeus.

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Hemicycla nisamarae (Gastropoda: Helicidae), a new species from La Gomera (Canary Islands)

Authors: C.J.P.J. Margry, F. Swinnen, M. Artiles Ruiz
Basteria, 88 (1): 76-84Published:

Abstract

Hemicycla nisamarae spec. nov. is described and compared with other Hemicycla species from the Canarian Archipelago. Information is given about the shell, external morphology, genitals, jaw, radula, ecology, and distribution.

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The slug mite Riccardoella oudemansi found on endemic gastropods on the Canary Islands

Authors: C.J.P.J. Margry, W.R.B. Heitmans
Basteria, 87 (2): 162-168Published:

Abstract

We confirm the presence of the widespread hematophageous slug mite Riccardoella oudemansi new to the Canary Islands. The slug mite was discovered on two endemic gastropods: the semi-slug Insulivitrina solemi on La Palma and the true glass snail Retinella hierroensis on El Hierro. Evidence is provided that the mite can reproduce on both hosts. In addition, the mite was found on Deroceras reticulatum and Limacus flavus, two slugs introduced to the Canary Islands.

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