Stenus destitutus
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Stenus
Name
Stenus destitutus Puthz, 2001 – Wikispecies link – Pensoft Profile
Material examined
Canada, New Brunswick, Albert Co., Caledonia Gorge P.N.A., 45.7930°N, 64.7764°W, 1.VII.2011, R.P. Webster // Small rocky clear cold river (Caledonia Creek), splashing exposed rocks with moss in middle of river (2 ♂, 2 ♀, RWC); same locality and collector but 45.7935°N, 64.7744°W, 22.V.2012 // Crooked Creek, cold clear rocky stream in Carex hummock in stream (1 ♂, RWC). Saint John Co., Fundy Trail Parkway, 45.4227°N, 65.4110°W, 23.VIII.2006, R.P. Webster // Margin of Big Salmon River, among gravel & cobblestones near water (1 ♀, RWC); same locality and collector but 45.4222°N, 65.4052°W, 17.VII.2010 // River margin in emergent Carex hummocks in flowing water (2 ♂, 2 sex undetermined, RWC).
Distribution in Canada and Alaska
NB (New Canadian record). This species was previously known from as far north as NY and NH.
Natural history
In NB, adults of Stenus destitutus were found along clear, cold, fast-flowing river and stream margins. Most specimens were collected by splashing exposed rocks with moss in the middle of a river or splashing emergent Carex hummocks within streams. One specimen was found among gravel and cobblestones near water. Adults were collected in May, July, and August.
Taxon Treatment
- Webster, R; Davies, A; Klimaszewski, J; Bourdon, C; 2016: Further contributions to the staphylinid fauna of New Brunswick, Canada, and the USA, with descriptions of two new Proteinus species (Coleoptera, Staphylinidae) ZooKeys, (573): 31-83. doi
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