The genus Syzeton Blackburn, 1891 (Coleoptera, Aderidae) in the United States of America Author Gompel, Nicolas 0000-0003-3358-7963 Ludwig-Maximilians-Universität München, Fakultät für Biologie, Biozentrum, Grosshaderner Str. 2, 82152 Planegg-Martinsried, Germany. gompel @ biologie. uni-muenchen. de; https: // orcid. org / 0000 - 0003 - 3358 - 7963 gompel@biologie.uni-muenchen.de text Zootaxa 2022 2022-07-07 5162 3 243 267 journal article 93650 10.11646/zootaxa.5162.3.3 460739ae-f695-4a2f-9da3-ff09730b73dd 1175-5326 6810142 38EE4183-B7A3-44AC-9441-A4EE7E32159E Syzeton signatus (Haldeman, 1848) , comb. nov. ( Figures 2l ; 3l ; 4f ; 5l ) Euglenes signatus Haldeman, 1848: 97 ; Lectotype : “ New York , Carolina ” ( MCZC ) ( Werner, 1990 ) Zonantes signatus (Haldeman, 1848) : Werner (1990) Material examined. United States . Alabama : Blount County, Highland Lake, ( 280 m ) [ 33°53’ N 86°25’ W ], light trap, 29.VII.2012 , T. King leg. ( 3 ♀♀ , FSCA ); Dale County, Level Plains [ 31°17’ N 85°46’ W ], black light trap, 6.IV.2015 , R. Turnbow leg. ( 2 ♂♂ , FSCA ); Dale County, Level Plains [ 31°17’ N 85°46’ W ], black light trap, 24.VI.2015 , R. Turnbow leg. ( 1 ♂ , FSCA ); Dale County, Level Plains [ 31°17’ N 85°46’ W ], black light trap, 17.III.2016 , R. Turnbow leg. ( 1 ♂ , FSCA ); Dale County, Level Plains [ 31°17’ N 85°46’ W ], black light trap, 13.V.2016 , R. Turnbow leg. ( 1 ♂ , FSCA ); Dale County, Level Plains [ 31°17’ N 85°46’ W ], black light trap, 17.VII.2016 , R. Turnbow leg. ( 1 ♀ , FSCA ). Florida : Alachua County, Gainesville [ 29°39’ N 82°19’ W ], black light trap, 3.XII.1978 , M. C. Thomas leg. ( 1 ♂ , FSCA ); Alachua County, Gainesville [ 29°39’ N 82°19’ W ], black light trap,. VII.1984 , M. J. Plagens leg. ( 1 ♀ , FSCA ); Alachua County, Gainesville, San Felasco Hammock Preserve State [ 29°42’ N 82°27’ W ], 15.IX.1988 , M. C. Thomas leg. ( 1 ♂ , FSCA ); Columbia County, O’Leno State Park, ( 20 m ) [ 29°55’ N 82°36’ W ], 28.IV.1991 , R. Turnbow leg. ( 1 ♂ , FSCA ); Leon County, Woodville, Natural Wells Road [ 30°17’ N 84°14’ W ], 26.III.2015 , M. Haseeb & G. B. Marshall leg. ( 1 ♂ , FSCA ). Louisiana : West Feliciana Parish, Nature Conservancy Easement, 15 mi. E of St. Francisville [ 30°47’40” N 91°15’15” W ], Woods near pond, UV, 30.III.2015 , M. H. Evans leg. ( 2 ♀♀ and 1 ♂ , WIRC ). Missouri : Shannon County, Mark Twain National Forest, 8.4 km S of Birch Tree, ( 220 m ) [ 36°55’01” N 91°30’33” W ], Pine-oak woodland, Beaten from branches of hardwood tree, 23.VIII.2010 , J. P. Gruber leg. ( 1 ♂ , WIRC ). Oklahoma : Latimer County [ 34°50’ N 95°18’ W ],. X.2002 , K. Stephan leg. ( 1 sp. , TAMU ). South Carolina : Chesterfield County, Sand Hills State Forest, 6.5 km WNW of Patrick, ( 100 m ) [ 34°35’12” N 80°06’56” W ], Mixed coniferous/hardwood forest, Beaten from branches of Cornus florida , 22.VIII.2011 , J. P. Gruber leg. ( 2 ♂♂ , WIRC ); Chesterfield County, Sand Hills State Forest, 9.6 km East of Patrick, Parking area of Middendorf Pond [ 34°32’39” N 80°08’37” W ], Forest edge, Beaten from branches of hardwood tree, 22.VIII.2011 , J. P. Gruber leg. ( 1 sp. , NGPC ). Texas : Brazos County, College Station, Lick Creek Park, ( 70 m ) [ 30°33’38” N 96°13’03” W ], 21.V.2004 , E. G. Riley leg. ( 6 sp. , TAMU ); Hardin County, Roy E. Larsen Preserve, ( 20 m ) [ 30°20’ N 94°14’ W ], beating burned schrub, 19.IV.1980 , J. E. Wappes leg. ( 1 ♀ , FSCA ); Sabine County, Sabine National Forest, 12.6 km , ESE of Hemphill [ 31°16’42” N 93°44’10” W ], Mixed hardwood/coniferous forest, Beaten from branches of Quercus sp. , 13.III.2013 , J. P. Gruber leg. ( 1 ♂ , WIRC ; 2 sp. , NGPC ), 14.III.2013 , J. P. Gruber leg. ( 1 ♀ and 3 ♂♂ , WIRC ); San Jacinto County, Sam Houston National Forest, Big Creek Scenic Area [ 30°30’22” N 95°05’20” W ], Mixed hardwood/coniferous forest, Beaten from branches of hardwood tree, 11.III.2013 , J. P. Gruber leg. (2 and 10 ♂♂ , WIRC ; 8 sp. , NGPC ). Distribution. United States : Florida to Texas , north to North Carolina and Missouri (extended from Werner (1990)) .