Tag Archives: Agriolimacidae

Deroceras invadens in Newfoundland

New publication

In September of 2012, I was for the first time in Newfoundland to attend the Molluscs Species Specialist Subcommittee (COSEWIC) meeting. This was a great opportunity to see Newfoundland, and among the highlights was a visit to St John’s, the capital city of Newfoundland and Labrador. I had read about the introduced helicid Arianta arbustorum (Linnaeus, 1758) in Newfoundland (McAlpine et al. 2009) and visited one of the sites, right in the city. I didn’t A. arbustorum but did find some Deroceras slugs.  Continue reading

Snails from NWT

Vitrina sp.

Vitrina sp. from the banks of Hay River. The two species in Canada are only distinguished by anatomical study (read about this here).

Vallonia sp.

Vallonia sp., likely Vallonia gracilicosta, from Hay River. Large numbers of these diminutive snails were found on the undersides of wood on the ground.

Deroceras laeve

Deroceras laeve, Hay River

Deroceras reticulatum, Hay River

Deroceras reticulatum, Hay River

Deroceras reticulatum, Hay River

Deroceras reticulatum, Hay River