Gyrohypnus angustatus Stephens, 1832

Majka, Christopher, Klimaszewski, Jan & Lauff, Randolph, 2008, The coastal rove beetles (Coleoptera, Staphylinidae) of Atlantic Canada: a survey and new records, ZooKeys 2 (2), pp. 115-150 : 133

Gyrohypnus angustatus Stephens, 1832

This species was recorded from New Brunswick, Newfoundland, and Nova Scotia by Smetana (1982). Davies (1979) found this introduced Palearctic species in seaweed beach wrack in St. Andrews, New Brunswick. Its distribution in Atlantic Canada is shown in Fig. 15 . Smetana (1982) noted rotting seaweed as one of the habitats where the species has been found in North America and Lindroth (1957) found it at every one of the southern English coastal sites that he surveyed where dry ballast destined for North America originated. This not only indicates habitat preferences, but also a possible mechanism for the introduction of this species to North America.

Figures

Fig. 15. The distribution of Gyrohypnus angustatus, Creophilus maxillosus villosus, Cafius bistriatus, and Gabrius astutoides in Atlantic Canada. Note: Two sites from central Labrador (Goose Bay and Cartwright) are not shown on the map.