Tychobythinus bythinioides (Brendel, 1865)

Webster, Reginald P., Chandler, Donald S., Sweeney, Jon D. & DeMerchant, Ian, 2012, New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada: Pselaphinae, ZooKeys 186, pp. 31-53: 44-45

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Tychobythinus bythinioides (Brendel, 1865)


Tychobythinus bythinioides (Brendel, 1865)   Map 18

Material examined.

New Brunswick, Queens Co., Upper Gagetown, bog adjacent to Hwy 2, 45.8316°N, 66.2346°W, 3.IV.2006, R. P. Webster, tamarack bog, in sphagnum hummocks on bog margin (1, RWC); Cranberry Lake P.N.A, 46.1125°N, 65.6075°W, 18-25.VI.2009, R. Webster & M.-A. Giguère, old red oak forest, Lindgren funnel trap (1, AFC). York Co., New Maryland, off Hwy 2, E of Baker Brook, 45.8760°N, 66.6252°W, 26.IV.2005, R. P. Webster, old growth eastern white cedar swamp, in moss and litter at base of tree (1, RWC); Charters Settlement, 45.8267°N, 66.7343°W, 3.V.2006, R. P. Webster, Carex   marsh, in litter and sphagnum (1, RWC); Mazerolle Settlement, 45.8729°N, 66.8311°W, 28.IV.2006, stream margin, in leaf litter at base of tree (1, RWC); 9 km W of Tracy off Rt. 645, 45.6889°N, 66.8002°W, 5.IV.2010, R. P. Webster, old beaver flowage, in grass litter on clay near small brook (1, RWC); 14 km WSW of Tracy, S of Rt. 645, 45.6603°N, 66.8607°W, 2.V.2010, R. P. Webster, black spruce bog, in sphagnum hummock with Carex   and grasses (1, RWC); 15.5 km W of Tracy off Rt. 645, 45.6845°N, 66.8826°W, 10.V.2010, R. P. Webster, wet Carex   marsh adjacent to old red pine forest, treading sphagnum (1, RWC).

Collection and habitat data.

In New Brunswick, this species was collected from a variety of wetland types. These include a tamarack bog, a black spruce bog, an old eastern white cedar swamp, Carex   marshes, and an old beaver ( Castor canadensis   Kuhl) flowage with grasses. Adults occurred in sphagnum hummocks in bogs, in moss and litter at bases of trees, in litter and sphagnum in marshes, and in grass litter near a brook in an old beaver flowage. One individual was captured in a Lindgren funnel trap deployed in an old red oak forest. Chandler (1997) reports specimens being taken from sphagnum moss, swamp debris, tree holes, and from a mixture of birch/alder litter on the margin of a freshwater marsh. Adults were collected during April, May, and June.

Distribution in Canada and Alaska.

ON, QC, NB, NS ( Davies 1991) [reported from NB by Majka et al. (2011) in error, C. Majka, personal communication].