Syzeton ater (LeConte, 1875), comb. nov.

(Figures 2e; 3e; 4d; 5e)

Xylophilus ater LeConte, 1875: 175;

Holotype: Texas, Belfrage (MCZC) (Werner, 1990)

Zonantes ater (LeConte, 1875): Werner (1990)

Material examined. United States. Arkansas: Polk County, Mena, (350 m) [34°35’ N 94°14’ W], UV light traps, 19.VII.2007, B. Baldwin leg. (1 ♂, UNHC); UV light traps, 6.IX.2010, B. Baldwin leg. (1 ♀, UNHC) . Missouri: Jackson County, Blue Springs [39°01’ N 94°16’ W], on Celtis occidentalis L., 5.VII.1999, G. H. Nelson leg. (1 ♀, FSCA) ; Jackson County, Raytown [39°00’ N 94°27’ W], 21.VI.1978, G. H. Nelson leg. (1 ♂, NGPC) . Ohio: Cuyahoga County, Fairview Park, MacBeth Avenue, (220 m) [41°25’ N 81°52’ W], UV light, 22.VIII.2007, H. J. Lee leg. (1 ♀, UNHC) ; Franklin County, Columbus [39°57’ N 82°59’ W] 28.VI.1991, B. & B. Valentine leg. (1 ♀, FSCA) ; Franklin County, Columbus [39°57’ N 82°59’ W] 5.VII.1991, B. & B. Valentine leg. (1 ♀, FSCA) ; Franklin County, Columbus [39°57’ N 82°59’ W] 8.VII.1991, B. & B. Valentine leg. (1 ♀, NGPC) ; Franklin County, Columbus [39°57’ N 82°59’ W] 29.VIII.2000, B. & B. Valentine leg. (1 ♀, FSCA) . Texas: Comal County, Bulverde [29°47’ N 98°25’ W], mercury vapors + black light, 11.VI.1998, R. Turnbow leg. (1 ♂, FSCA) . Oklahoma: Grady County, Tuttle, Silver Ridge Drive, (390 m) [35°19’ N 97°44’ W] Blacklight trap, 20.V.2005, B. Baldwin leg. (1 ♂, UNHC) ; UV light traps, 19.V.2006, B. Baldwin leg. (3 ♂♂, UNHC) . Texas: Brazos County, 5 km SW Wellborn, (80 m) [30°30’ N 96°20’ W], At lights, 31.X.2016, V. Belov leg. (1 ♂, VBPC) ; At lights, 4.IX.2020, V. Belov leg. (1 ♂, VBPC) ; Wise County, Black Creek Reservoir, (300 m) [33°20’ N 97°35’ W], Dry oak savannah, UV sheet, Woodland with scattered red cedar, 15.IX.2009, J. P. Gruber leg. (1 ♂, WIRC) ; Dry oak savannah-woodland, Attracted by UV light, 15.IX.2009, J. P. Gruber leg. (1 ♀, NGPC) .

Distribution. United States: Louisiana and Texas to Ohio and Illinois (Werner, 1990).