Acilius sylvanus Hilsenhoff

Alarie, Yves, 2016, Further contributions to the Hydradephaga (Coleoptera, Haliplidae, Gyrinidae and Dytiscidae) fauna of Prince Edward Island, Canada: new records, distributions and faunal composition, ZooKeys 600, pp. 103-129 : 108

Taxon classification Animalia Coleoptera Dytiscidae

Acilius sylvanus Hilsenhoff

Note.

This species is known from Prince Edward Island by a single specimen record from Prince County (Table 2).

Habitat.

These beetles occur in the emergent zone of sun-warmed permanent or semi-permanent ponds in forested area ( Larson et al. 2000). In Prince Edward Island, Acilius sylvanus was collected in a permanent pond on clay bottom located at the edge of a spruce and aspen forest (Tables 1).

Distribution in the Maritime Ecozone.

This species is known only from the neighboring Province of New Brunswick ( Webster 2008). The presence of Acilius sylvanus in Prince Edward Island represents the easternmost record of this species in Canada.