Leptusa opaca Casey

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 : 84

169. Leptusa opaca Casey

(Illustrations in Klimaszewski et al. 2004, 2018), Table 1

References. Casey 1893, 1911. Pace 1989. Gusarov 2003. Klimaszewski et al. 2004, 2011, 2018. Park et al. 2010. Brattain et al. 2020.

Distribution. Nearctic. Canada: NB, NF, NS, ON, PE, QC. USA: AR, DC, GA, ME (NSR), NC, NH (NSR), NY, PA, RI, TN, WI.

Collection and Habitat data. The NH specimens were captured in pine-oak barrens, hemlock litter, under hemlock bark, rotten birch, rotten wood, in flight intercept and window traps; and the ME specimens were taken by a flight intercept trap. Adults found from May to October in NH. In Canada found in a variety of coniferous and deciduous forests as well as mixed forests ( Klimaszewski et al. 2004, 2018). Adults taken in moss; alder, birch, maple, and oak litters; under bark of Picea glauca (Moench) Voss. , in rotten logs, in Pleurotus sp , on log, and in old Scolytine burrows in red spruce ( Picea rubens Sarg. ) where it was found with Leptusa brevicollis Casey , Carphonotus testaceus Casey ( Curculionidae : Cossoninae ), and Paromalus teres LeConte ( Histeridae : Dendrophilinae) ( Klimaszewski et al. 2004, 2018).

Material. USA, Maine, York Co.: West Lebanon, 19–25.VI.1990, 1 male ; 17–23.VII.1990, 1 female ; 26.VI– 4.VII.1990, 1 male; 8–14.VII.1991, 1 female, D.W. Barry, FIT. New Hampshire, Carroll Co.: 1 mi N Wonalancet, E Fork Spring Brk., 1900’, 14–21.VIII.1985, 2 sex?; 2–10.VII.1985, D.S. Chandler, fl. intercept trap, 2 sex? The Bowl, 2.5 mi NW Wonalancet , 15–20.VI.1984, D.S. Chandler, window trap, 1 sex?; 24–30.VII.1985, 2 sex?; 22–28.VIII.1985, 2 sex?; 15–21.VI.1985, D.S. Chandler, FITrap, 1 sex?; 24.VII.1984, D.S. Chandler, under hemlock bark, 1 female . Bartlett Experimental Forest , 44.07414, -71.29091, 20.IV.2022, K.J. Dodds, sweep, 1 male ( MFDC). Cheshire Co.: Pisgah St. Forest , Pisgah Valley For., 1080’, 20.VII.1990, R.M. Reeves, sift hemlock litter, 1 male . Coos Co.: 1 mi NE East Inlet Dam , 10–26.V.1986, 1 male. 1 sex ?; 27.V–11.VI.1986, D.S. Chandler, FIT, 1 male. Mt. Washington , Auto Road, 3000’, 1.VII.1982, D.S. Chandler, sift rotten birch, 1 sex? Norton Pool, 3 mi NE East Inlet Dam, 27.V–11.VI.1986, 1 female ; 9–26.V.1987, D.S. Chandler, FIT, 1 sex? Grafton Co.: Bedell Bridge St. Park @ Oliverian Brook, 3–19.VIII.1992, D.S. Chandler, FITrap, 1 sex? Hubbard Brook Exp. Forest, Paradise Brook, 1400’, 6.VII.1983, D.S. Chandler, sift rotten wood, 1 male . Merrimack Co.: Concord Airport , 1 mi E Concord, CZ-4a, 24.VII–9.VIII.2001, D.S. Chandler, pine-oak barrens, FIT, 1 female . Strafford Co.: Spruce Hole , 3 mi SW Durham, 7–20.VIII.1987, 1 female ; 29.IX–13.X.2005, D.S. Chandler, FIT, 1 male.