Euaesthetus mundulus CASEY 1884

Euaesthetus mundulus CASEY, 1884(Abb. 39, 62, 82)

Euaesthetus mundulus CASEY, 1884: 23; PUTHZ, 1998: 243.

Euaesthetus robustulus CASEY, 1884: 24.

M a t e r i a l: CANADA: ON: 1, 3: Rondeau Pr.Pk, South Point, moss on logs in pond, 2.VI.1985, Davies & Campbell (CNC); 7, 4: Tulip Tree Trail, 6.VI.1985, sifting beech & maple litter, idem (ib); 1: ibidem, end Harrison Trail, oak litter by water, 6.VI.1985, idem (ib). - NB: 3: York Co., 14 km WSW of Tracy, S of Rt. 645, 45.6755’’N, 66.8685’’W, Red maple swamp with alders, sifting moist leaf litter & moss, 4.IX.2008, Webster (cW).

U.S.A.: TX: 1, 2: Orange Co., 3 mi NW Orange, 17.IV.1976, Smetana (CNC, cP); 1: Trinity Co., 12 mi SW Lufkin, 22.IV.1976, idem (ib). - LA: 2, 1: Tallulah, 12.IV.1934, Fall (MCZH, cP); 1, 1: Calcasieu Pa. 4 mi W Starks, 19.IV.1976, Smetana (CNC). - AL: 2: Monroe Co., 1 mi S Claiborne Dam, 31 o 35‘30‘‘N, 87 o 32‘, 21‘‘W, Beach / Magnolia berlese, 31.V:1995, C.E.Carlton (LSAM). - MS: 4, 12: Oktibbeha Co., Noxubee Ref., hardwood litter, 28.II., 11.III., 17.VII.1981, 5.II.1982, 21.VII.1987, Snodgrass (MSEM, cP); 1: Pontotoc Co., 1 mi SE Ecru, pitfall trap in swamp, 10.X.1980, idem (ib); 1: pitfall trap in soybean field, 18.III.1980, idem (ib).- WI: 1, 1: Sand Lake, 45 o 51’N, 91 o 29’W, 2.VIII.1998, Hammond (NHML). - MI: 1: Roscommon Co., 14.VI.1953, Dreisbach (cCornell). - IN: 8, 10: Porter Co., Beverley Shores, moss-swamp forest, 16.IV.1960, Suter (FMCh, cP). - OH: 1: Ashtabula Co., Saybrook Swamp, Saybrook Twp., sphagnum moss, 22.X.2010, J.K.Bissell (UNHD); 1, 2: Lorain Co., Columbine Twp, East River Road, channel pond berlese mosses, 19.IV.2003, H.J.Lee (UNHD). - ME: 2: York Co., West Lebanon, sphagnum, 1.V.1992, Barry (UNHD). - NH: 1, 1: Strafford Co., 1 mi SW Durham, sift litter on swamp edge; berlese grass clumps in swamp, 21.5., 30.VIII.1982, Chandler (ib); 3, 4: Chees Co., Harvard Blockdown, Pisgah St. For., leaf litter in swamp, 20.VII.1990, Chandler (ib, cP); 1, 2: Pisgah Valley Forest, sift wet grass litter, 20.VII.1990, idem (ib); 1: Merrimack Co., Exeter river 1 mi S Exeter, pitfall trap, 14.- 28.VI.1999, idem (ib). - IL: 1, 1: Union Co., Pine Hills, sifting litter at edge of cypress swamp, 14.IV.1992, Campbell (CNC). - MA: 1: "Mass." (HT, coll. Casey, USNM); 2: Cambridge, Blanchard (HT von Eu. robustulus: USNM; MCZH); 1: Tyngsborough, 15.IV.1894, idem (ib); 9, 12: Framingham, 1931-1944, Frost (MCZH, AMNH, CNC, cP); 2: Sherborn, 12.IX.1920, idem (ib, USNM); 1: Somerset, 29.III.1910, Easton (ib); 1, 1: Marion, 25.VIII.2004 (MCZH, cP); 1, 7: Middlesex Co., Eastabrook Woods near Concord, debris along stream, 15.VI.1974, 7.IV.1977, Newton (ib); 1 (cf. det.): Northamton, 8.VIII.1973, Kiteley (CNC); 1, 1: Springfield, 20.IX.1901 (ib). - RI: 3: "R.I.", coll. Casey (USNM). - CT: 1, 1: Groton, Jansson (FMCh). - NY: 1, 2: "N.Y.", coll. Casey (USNM); 1, 1: L. I., Hewlett, Shoemaker (USNM). - NJ: 1: Quirsfeld, X.1939, Quirsfeld (MCZH); 1: Arlington (cP); 1 (cf. det.): Gt Piece Meadows, 3.V.1910 (AMNH). - DC: 2, 12: Shaw Ponds, 1921-1926, Barber (USNM, cP). - VA: 2: near Plummer’s Island, 11.X.1921, Barber (USNM). - NC: 2, 2: Richmond Co., near Hamlet, Gibson Pond, mosses and litter near pond, 22.V.2004, Cornell (cCornell, cP). - SC: 2: Charlotte Co., 14 mi SW McClellan vill., F. Marion N. F. Rd. 228A, sift hardwood litter, Reeves (UNHD). - GA: 1: Liberty Co., St. Catherine Is., site 11, 31 o 36.03’N, 81 o 8.91’W, 8.IV.2004, Lott (NHML). - FL: 3, 5: Jacksonville, 12.- 17.III.1937, Bierig (FMCh, NHML, cP); 2: Niceville, 20.III.1980, Kiteley (CNC); 7, 6: Taylor Co., 11 mi NW Steinhatchee, sift rotten wood, Chandler (UNHD, cP); 1, 3: Putnam Co., Welake Exp. St., leaf litter by spring, 25.V.1983, idem (ib).

B e m e r k u n g e n: Diese Art gehört zu denjenigen, deren Elytren leicht irisieren und deren Pronotum allenfalls Spuren basaler Längsfurchen aufweist. Beim Männchen ist das 8. Sternit vergleichsweise breit und ziemlich tief ausgerandet (Abb. 62). 9. Sternit apikal spitz. Aedoeagus (Abb. 39), Parameren breit mit zwei starken apikalen Borsten.. Beim Weibchen ist das 8. Sternit dreieckig verengt und apikal ganz kurz geschwungen abgerundet (Abb. 82).