Graphoderus liberus (Say)

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 : 110

Taxon classification Animalia Coleoptera Dytiscidae

Graphoderus liberus (Say)

Note.

Graphoderus liberus is reported from two specimens collected in Prince County (Table 2).

Habitat.

These beetles generally occur in boggy (often brown water) ponds and lakes. They are usually found at the edge of the encircling bog in embayments or beaver runs ( Larson et al. 2000). The two specimens collected in Prince Edward Island were from Sphagnum bog ponds (Table 1).

Distribution in the Maritime Ecozone.

This species is known also from the neighboring Maritime Provinces of New Brunswick and Nova Scotia ( Larson et al. 2000).