Myllaena arcana Casey, 1911

Klimaszewski, Jan, Chandler, Donald S., Davies, Anthony & Bourdon, Caroline, 2023, Aleocharine rove beetles of New Hampshire, USA: new taxa and new records (Coleoptera, Staphylinidae, Aleocharinae), Zootaxa 5364 (1), pp. 1-141 : 93-94

192. Myllaena arcana Casey

(Illustrations in Klimaszewski 1982, Klimaszewski et al. 2018), Table 1

References. Casey 1911. Klimaszewski 1982. Klimaszewski and Génier 1986. Klimaszewski and Frank 1992. Bishop et al. 2009. Majka and Klimaszewski 2010. Klimaszewski et al. 2011, 2015 a, 2018, 2021.

Distribution. Nearctic, recorded from A/S (Kliaszewski et al. 2021). Canada: AB, LB, MB, NB, NF, NS, ON, QC, SK. USA: AL, FL, IA, IL, MA, ME, NH, NJ, TN, WV.

Collection and Habitat data. The NH specimens were found in leaf litters or grass clumps that were at the margins of springs, swamps, and streams or in them; occasionally taken in grass sod. Collected from April to November by sifting litter or sod and processing with Berlese funnels, or by use of Malaise traps. In Canada recorded from debris in various riparian and wetland habitats, with some taken in beaver lodge debris ( Klimaszewski et al. 2018).

Material. USA, Maine, Penobscot Co.: 2 mi SW Orono, 28.V.1982, D.S. Chandler, malaise trap, 1 sex? 4 mi W Orono, 28.V.1982, D.S. Chandler, berlese moss, 1 sex? Waldo Co. : Camden Hills St. Pk., Mt. Battle, 29.V.1982, D.S. Chandler, sift leaf litter along stream, 1 sex? York Co.: West Lebanon, 25–30.IX.1990, D.W. Barry, FIT, 1 male. New Hampshire, Carroll Co.: 6 mi NW Bartlett, Nancy Brook Trail, 1500’, J.M. Campbell and A. Davies, sifting leaf litter along cascading stream ( CNC), 6 sex? The Bowl, 2.5 mi NW Wonalancet, 27.VI.1984, 1 male; 20.VI.1984, D.S. Chandler, sift leaf litter on spring edge, 4 females. Cheshire Co.: Rhododendron St. Pk. , 22.IV.1982, D.S. Chandler, sift Rhododendron litter, 2 males, 2 females. Coos Co.: 17 km S Gorham, Glen Ellis Falls, 1900’, 8.IX.1987, J.M. Campbell and A. Davies, sifting litter by stream ( CNC), 1 male, 5 females, 18 sex? 8 mi S Gorham, Pinkham Notch, 2000’, 11.IX.1987, J.M. Campbell and A. Davies, sifting Alnus litter and Sphagnum near pond ( CNC), 4 sex? White Mts., Glen Ellis Falls, 1900’, 15.VIII.1976, J.M. and B.A. Campbell ( CNC), 1 sex? Near Glen Ellis Falls, 17.VIII.1976 ( CNC), 6 sex? Hwy. 33, Second Connecticut Lake, 23.V.1982, D.S. Chandler, sift alder and grass litter, 1 sex? Pinkham Notch, 1.VII.1982, D.S. Chandler, sift leaf litter on pond margin, 1 male, 1 sex? Beaver Brook Falls, 3 mi NE Colebrook, 11.V.1986, D.S. Chandler, cedar litter, 1 sex?; sift alder & grass leaf litter, 1 male. Mt. Washington Auto Road, 3000’, 1.VII.1982, D.S. Chandler, sift litter by spring, 1 male. White Mts., Glen Ellis Falls, 1900’, 15.VIII.1976, J.M. and B.A. Campbell ( CNC), 1 female. Merrimack Co.: 1 mi E Concord, Concord Airport, CZ-4a, 15.XI.2001, D.S. Chandler, sift leaf litter along stream, pitch pine-scrub oak barrens, 1 female. Rockingham Co.: Jct. 1A & 1B, near Foyes Corner, 12.V.1982, sift oak & beech litter, 1 sex?; 12.V.1982, D.S. Chandler, sift litter along swamp margin, 1 male, 2 sex? 1 mi W Odiorne Pt., 9–13.VII.1983, malaise trap, D.S. Chandler, 1 female. Strafford Co.: 1 mi SW Durham, 21.IV.1982, sift litter by marsh, 1 male; 21.V.1982, sift litter along marsh edge, 5 sex?; 16.IV.1982, sift litter along swamp margin, 2 females; 21.V.1982, D.S. Chandler, berlese grass clumps in swamp, 2 sex?; 21.VI.1982, berlese grass clumps in swamp, D.S. Chandler, 1 female. 1 mi SE New Durham, 15.VIII.1982, D.S. Chandler, sift cedar swamp litter, 1 male. Spruce Hole, 3 mi SW Durham, 30.VIII.1982, D.S. Chandler, sifting leaf litter along pond, 1 female. West Foss Farm, 1 km S Durham, 23.IX.2004, N43 7.339 °, W70 56.679 °, berlese litter in meadow, 1 female. Woodman Farm, 1 mi NW Durham, N43°9.197, W70°56.293, 128’, 2.X.2003, V.L. Davidson, sift maple litter in swale, 1 female. Thompson Farm, 3.5 km SW Durham, 43.11260°N, 70.94755°W, 17m, 8.X.2005, S.J. Watkins, berlese sod, 1 male. College Woods, Durham, N43.1404°, W70.9461°, 14.IX.2006, W.R. Beagan, D.S. Chandler, forest, sift leaf litter on spring edge, berlese field sod, 2 females.