Syzeton fasciatus (Melsheimer, 1846) Gompel, 2022

Gompel, Nicolas, 2022, The genus Syzeton Blackburn, 1891 (Coleoptera, Aderidae) in the United States of America, Zootaxa 5162 (3), pp. 243-267 : 249-251

Syzeton fasciatus (Melsheimer, 1846) , comb. nov.

( Figures 1e–f ; 2b ; 3b ; 5b, o )

Xylophilus fasciatus Melsheimer, 1846: 55 );

Lectotype: Pennsylvania ( MCZC) ( Werner, 1990)

Zonantes fasciatus (Melsheimer, 1846) : Werner (1990)

Material examined. United States. Alabama: Blount County, Highland Lake, (280 m) [33°53’ N 86°25’ W], light trap, 21.VIII.2013, T. King leg. (1 ♂, FSCA). Arkansas: Logan County, 12 mi. NW Havana [35°14’ N 93°40’ W], 27.V.1995, J. C. Schaffner leg. (1 sp., TAMU); Sharp County, Harold E. Alexander WMA [36°12’ N 91°26’ W], Mixed hardwood forest, Beaten from branches of hardwood tree, 22.VIII.2010, J. P. Gruber leg.(1 ♀, WIRC). Florida: Jackson County , Florida Caverns State Park, (20 m) [30°48’ N 85°13’ W], 5.V.2008, M. C. & S. Thomas leg. (1 ♀ and 2 ♂♂, FSCA); Jackson County, Florida Caverns State Park, (20 m) [30°48’ N 85°13’ W], 6.V.2008, M. C. & S. Thomas leg. (1 ♀, FSCA); Jackson County, Florida Caverns State Park, (20 m) [30°48’ N 85°13’ W], 6.V.2017, M. C. Thomas leg. (1 ♀, FSCA); Liberty County, Torreya State Park, (40 m) [30°33’ N 84°56’ W], 27.IV.1991, M. C. Thomas leg. (1 ♂ and 2 ♀♀, FSCA); Liberty County, Torreya State Park, (40 m) [30°33’ N 84°56’ W], 27.IV.1991, M. C. Thomas leg. (1 ♂ and 2 ♀♀, FSCA); Liberty County, Torreya State Park, (40 m) [30°33’ N 84°56’ W], 6.V.2007, M. C. Thomas leg. (2 ♂♂, FSCA); Santa Rosa County, 3.5 mi. N Munson, (0 m) [30°54’ N 86°51’ W], miscellaneous night/light collection, 10.IV.1999, Skelley P. leg. (1 ♂, FSCA). Georgia: Clarke County, Black Rock Mountain State Park, (200 m) [33°54’ N 83°16’ W], 29.V.1992, J. Pickering leg. (1 ♂, FSCA); Clarke County, Barnett Shoals area, (220 m) [33°50’ N 83°22’ W], 30.IV.1987, R. Morris leg. (1 ♀, FSCA); Dekalb County, Stone Mountain, (320 m) [33°48’ N 84°10’ W], 16.V.1991, J. E. Wappes leg. (1 ♀ and 2 ♂♂, FSCA); Henry County, Nail Road, (275 m) [33°25’ N 84°11’ W], black light trap,. IV.1994, R. Beshear leg. (1 ♂, FSCA); Rabun County, Black Rock Mountain State Park [34°54’ N 83°24’ W], 27.VI.1982, F. N. Young leg. (1 ♂, FSCA). Indiana: Brown County, N. of Belmont [39°09’ N 86°20’ W], 22.VIII.1984, C. W. Hagen Jr. leg. (1 ♂, FSCA); Brown County, Bear Wallow [39°19’ N 86°22’ W], 1.VI.1977, J. E. Wappes leg. (1 ♂, FSCA); Brown County [39°09’ N 86°20’ W], 5.VI.1987, M. M. Downie leg. (1 ♀, FSCA); Monroe County, Bloomington [39°09’ N 86°31’ W], black light trap, 17.VI.1990, F. N. Young leg. (1 ♂, FSCA); Monroe County, Bloomington [39°09’ N 86°31’ W], 18.VI.1992, F. N. Young leg. (1 ♂, FSCA); Orange County, Shirley Creek Horsecamp, (210 m) [38°38’ N 86°35’ W], mercury vapors + black light, 26.V.2007, R. Turnbow leg. (1 ♂, FSCA). Iowa: Johnston County, Saylorville Lake [41°43’ N 93°42’ W], 9.VII.1983, J. E. Wappes leg. (1 ♀, FSCA); Polk County, Brown Forest Preserve [41°32’ N 93°42’ W], 20.VI.1982, J. E. Wappes leg. (1 ♀, FSCA); Polk County, Jester Park [41°47’ N 93°47’ W], 15.VI.1985, J. E. Wappes leg. (1 ♀, FSCA). Maryland: Prince George’s County [39°03’ N 76°47’ W], 14.VI.1993, J. Pickering leg. (1 ♂, FSCA); Prince George’s County [39°03’ N 76°47’ W], 21.VI.1993, J. Pickering leg. (1 ♀, FSCA). Illinois: Jackson County, Shawnee National Forest, 7.8 km NW of Pomona [37°40’50” N 89°23’42” W], Upland hardwood forest, Beaten from branches of Carya sp. , 23.VIII.2010, J. P. Gruber leg.(1 ♀ and 3 ♂♂, WIRC); Chicago, Blackwelder [41°41’ N 87°40’ W],.VI., Wm. S. Marshall leg. (1 ♀, WIRC). Massachusetts: Middlesex County, Great Meadows National Wildlife Refuge, Concord Unit [42°28’ N 71°19’ W], 23.VI.2001, E. G. Riley leg.(2 sp., TAMU). Missouri: Greene County, 10 mi. E Springfield [37°12’ N 93°17’ W], 15.VI.1981, R. Haswell leg. (2 sp., TAMU), 15.VI.1981. New Jersey: Essex County 40°44’ N 74°16’ W,..2010, V. Belov leg. (1 ♂ and 1 sp., VBPC); Maplewood [40°44’ N 74°16’ W],..2013, V. Belov leg. (1 ♂, VBPC). New York: Madison County, Georgetown, Muller Hill, Blueberry Trail, 100 Acre Evans camp [42°46’ N 75°46’ W], Woods, Barrier trap, 8.VII.2002, M. H. Evans leg. (1 ♂, WIRC), Flight intercept trap, 24.VII.2006, M. H. Evans leg. (2 ♀♀, WIRC). Oklahoma: Latimer County [34°50’ N 95°18’ W],. V.1995, K. Stephan leg. (1 sp., TAMU), UV,. VIII.1998, K. Stephan leg. (1 sp., TAMU). Pennsylvania: Lawrence County, 2.5 mi. S of Lebanon [40°17’ N 76°24’ W],. VI.2012, B. Hays leg. (1 sp., TAMU); Lebanon County, 2.5 mi. S of Lebanon [40°17’ N 76°24’ W], 8.VII.1986, J. Fetter leg. (1 ♂, WIRC). South Carolina : Chesterfield County, Sand Hills State Forest, 6.5 km WNW of Patrick [34°35’ N 80°06’ W], Mixed coniferous/hardwood forest, Beaten from branches of Cornus florida L., 21.VIII.2011, J. P. Gruber leg. (1 ♂, WIRC); Fairfield County, Lake Wateree State Recreation Area, Desportes Island, 7.4 km SW of Liberty Hill [34°25’58” N 80°51’37” W], Beaten from forest understory vegetation, 23.VIII.2011, J. P. Gruber leg., (1 ♀ and 1 ♂, WIRC); Newberry County, Mollys Rock Picnic Area, (110 m) [34°23’16” N 81°32’33” W], 12.VI.2013, E. G. Riley leg. (1 sp., TAMU). Tennessee: Blount County, Cove Mountain, Cold Spring Gap, (760 m) [35°37’24” N 83°49’22” W], 28.VI.2001, E. G. Riley leg. (1 sp., TAMU). Texas: Sabine County, Sabine National Forest, ca. 8 mi. E Hemphill [31°23’10” N 93°42’29” W] (50 m), Lindgren funnel trap, 21.VII.2007, E. G. Riley leg. (1 sp., TAMU), Lindgren funnel trap, 13.IV.2008, E. G. Riley leg. (1 sp., TAMU), Lindgren funnel trap, 10.V.2008, E. G. Riley leg. (1 sp., TAMU), Lindgren funnel trap, 7.VI.2008, E. G. Riley leg. (1 sp., TAMU); Tyler County, Kirby State Forest, (40 m) [30°34’ N 94°25’ W], Ground-level flight intercept, 18.V.2003, E. G. Riley leg. (1 sp., TAMU). Virginia: Botetourt County, Hwy. 615 near Hipes, 10.5 mi. W Jet Hwy. 220 [37°39’09” N 79°55’40” W], 24.V.2006, E. G. Riley leg. (1 sp., TAMU). Wisconsin: Adams County, Quincy Bluffs - The Nature Conservancy [43°51’59” N 89°53’06” W], Lindgren funnel trap, 18.VII.2003, D. K. Young leg. (1 ♂, WIRC), Lindgren funnel trap, 30.VII.2003, D. K. Young leg. (1 ♂, WIRC), Old Populus deadfall, Malaise trap, 16.VI.2016, D. K. Young leg. (1 ♀, WIRC), Quercus / Populus swail, Malaise trap, 27.VI.2016, D. K. Young leg. (1 ♂, WIRC); Columbia County, Rocky Run creek State Fishery Area [43°27’38” N 89°19’31”W], Grassland, Swept from long grasses and other prairie-type vegetation, 23.VII.2008, J. P. Gruber leg. (1 ♂, WIRC); Dane County, 18.VI.1898, Wm. S. Marshall leg. (1 ♀, WIRC), 6.VII.1899, Wm. S. Marshall leg. (1 ♀, WIRC); Dane County, Monona Lake [43°04’ N 89°21’ W], White oak, 13.VII.1912, J. G. Sanders leg. (2 ♀♀ and 1 ♂, WIRC); Dane County, Madison, Eagle Heights, (300 m) [43°05’ N 89°26’ W], Grass sweeping, 13.VII.2003, N. Gompel leg. (1 ♀, NGPC); Dane County, Madison [43°04’ N 89°24’ W], Sweeping, 8.VII.1929, L. C. Fluke leg. (1 ♀, WIRC); Dane County, Mazomanie, (250 m) [43°13’ N 89°47’ W], 25.VI.1983, N. Ravdin leg. (1 sp., WIRC); Florence County, Spread Eagle Barrens State Natural Area, (355 m) [45°51’54” N 88°08’58” W], Swept from vegetation in grassland/barrens pine/oak/aspen, 7.VII.2005, J. P. Gruber leg. (1 ♀, WIRC); Grant County, Cassville Bluffs SNA [42°42’ N 90°56’ W], Mixed hardwood forest, Sweeping foliage near path, 18.VII.2003, J. P. Gruber leg. (5 ♀♀ and 1 sp., WIRC); Grant County, Wyalusing State Park, (300 m) [42°58’ N 91°07’ W], Forest, Swept from foliage, 14.VII.1999, J. P. Gruber leg. (1 sp., WIRC); Grant County, Witted oak, 2.VI.1949, W. McNeel leg. (6 ♀♀ and 1 ♂, WIRC); Green County, Abraham’s wood SNA [42°41’ N 89°29’ W], Mesic hardwood forest, Gilled fungus baited pitfall trap, 11.VII.2001, J. P. Gruber leg. (1 ♀, WIRC); Iowa County, Arena Pines-Sand Barrens State Natural Area, (220 m) [43°10’33” N 89°55’53” W], Sand barrens with jack pine, black oak, Beaten from branches of living Quercus sp. , 12.VI.2012, J. P. Gruber leg. (1 ♂ and 1 ♀, WIRC); Jackson County, Black River State Forest [44°13’ N 90°39’ W], Oak-pine forest, Lindgren funnel trap, 24.VI.1999, J. P. Gruber leg. (1 ♂, WIRC; 1 sp., NGPC), 12.VII.1999, J. P. Gruber leg. (2 ♀♀, WIRC), 1.VIII.1999, J. P. Gruber leg. (1 ♀, WIRC); Jackson County, Brockway, (250 m) [44°16’ N 90°50’ W], Gypsy Moth-M. T., 4.VIII.1975 (1 sp., NGPC); Jackson County, T21N R4W S27, Oak-pine forest, Gypsy Moth-M. T., 15.VII.1975 (1 ♀ and 2 ♂♂, WIRC), 28.VII.1975 (2 ♀♀ and 5 ♂♂, WIRC); Jackson County, T21N R4W S33, Gypsy Moth-M. T., 28.VI.1976 (1 ♂, WIRC), 2.VIII.1976 (1 ♀, WIRC); Juneau County, Necedah national wildlife refuge, Flight intercept trap, 1.VII.1996, K. Pope leg. (1 ♂ and 1 ♀, WIRC), 3.VII.1996, K. Pope leg. (1 ♂ and 1 ♀, WIRC), 9.VII.1996, K. Pope leg. (1 ♂ and 3 ♀♀, WIRC), Pitfall trap, 23.VII.1996, K. Pope leg., (1 ♀, WIRC); La Crosse County, Coulee Experimental State Forest [43°51’32” N 91°01’00” W], Grass sweeping, 25.VII.2003, N. Gompel leg. (1 sp., NGPC); La Crosse County, Environs west of West Salem [43°54’ N 91°10’ W], Mixed hardwood forest, Suburban Malaise trap, 10.VII.2010, A. M. Shorter leg. (1 ♂, WIRC); La Crosse County, West Salem [44°03’ N 91°04’ W], Medium-aged oak/hickory forest, Root sever; Flight intercept trap, 23.VIII.2004, K. Werner leg. (2 ♀♀, WIRC); Lafayette County, about 3 miles north of Argyle [42°44’17” N 89°51’05” W], Southern mixed hardwood forest, Flight intercept trap, 24.VI.2001, J. P. Gruber leg. (1 sp., NGPC), Unbaited Townes malaise trap, 11.VII.2001, C. M. Brabant leg. (1 ♂, WIRC), Flight intercept trap, 11.VII.2001, J. P. Gruber leg. (4 sp., NGPC), 5.VIII.2001, J. P. Gruber leg. (1 sp., NGPC), 3.IX.2001, J. P. Gruber leg. (2 sp., NGPC), 8.VII.2004, N. Gompel leg. (1 ♂, NGPC); Lafayette County, Yellowstone Lake State Wildlife Area [42°46’ N 89°57’ W], Oak savanna, From 30 cm long Quercus macrocarpa log, Lightproof rearing container, 4.IX.2003, D. Biggs leg. (1 ♂, WIRC); Marathon County, Big Eau Pleine County Park [44°44’ N 89°50’ W], Northern mesic forest, Beaten from branches of hardwood tree, 6.VII.2013, J. P. Gruber leg. (1 ♀ and 2 ♂♂, WIRC), Crawling on debarked trunk of dead standing hardwood tree, With lots of borer holes, 6.VII.2013, J. P. Gruber leg. (1 ♂, WIRC); Marquette County, Summerton Bog The Nature Conservancy, 3 mi. SE Oxford [43°45’ N 89°31’ W], Sweep pound/spring margin, 6.VII.1990, D. K. Young leg. (2 ♀♀, WIRC); Monroe County, Fort McCoy, N. Post, 1 mi. W of Big Rock [43°59’ N 90°40’ W], Oak savanna, Flight intercept trap, 14.VII.1997, J. A. Maxwell leg. (1 ♀, WIRC); Monroe County, Fort McCoy, N. Post, Dorn’s Cut [43°59’ N 90°40’ W], Mesic oak forest, Flight intercept trap, 14.VIII.1997, J. A. Maxwell leg. (1 ♂, WIRC), 29.VIII.1997, J. A. Maxwell leg. (1 ♀, WIRC); Monroe County, Fort McCoy Sand Quar., Sandy prairie/oak savanna, Unbaited Lindgren funnel trap, 24.VI.1999, J. P. Gruber leg. (1 sp., NGPC); Monroe County, Fort McCoy State Natural Area [43°59’ N 90°40’ W], Oak savanna, Flight intercept trap, 27.VII.2002, J. P. Gruber leg. (2 sp., NGPC); Monroe County, Fort McCoy State Natural Area [43°59’ N 90°41’ W], Oak savanna at margin of sandy prairie, Flight intercept trap, 17.VI.2007, J. P. Gruber leg. (1 ♂, WIRC), 30.VI.2007, J. P. Gruber leg. (2 ♀♀ and 1 ♂, WIRC), 14.VII.2007, J. P. Gruber leg. (1 ♀, WIRC); Richland County, LWRSGA Lone Rock Unit [43°11’ N 90°14’ W], Sandy oak barrens, Leaf litter near fallen tree, 23.VIII.2000, J. P. Gruber leg. (1 ♀, WIRC); Richland County, LWRSGA Lone Rock Unit, Station 2, (220 m) [43°11’ N 90°14’ W] Swept from vegetation in grassland/barrens pine/oak/aspen, 27.VI.2001, D. K. Young leg. (3 ♂♂, WIRC), Flight intercept trap, 27.VI.2001, D. K. Young leg. (1 ♀, WIRC), Quercus savanna, Malaise trap baited - wintergreen oil, 5.X.2006, D. K. Young leg. (1 ♀, WIRC); Sauk County, Hemlock Draw, (330 m) [43°21’ N 89°58’ W], Lindgren funnel trap., 2.VII.2003, D. K. Young leg. (1 ♂, WIRC); Sauk County, Spring Green Preserve SNA, (220 m) [43°11’ N 90°03’ W], Sandy oak barrens, Flight intercept trap, 1.VII.2001, J. P. Gruber leg. (1 sp., NGPC), Dry-mesic southern forest, Swept from foliage near path, 13.VII.2003, J. P. Gruber leg. (3 sp., NGPC), Dry-mesic southern forest, Underside of leaf on branch of Carya ovata , 12.VI.2012, J. P. Gruber leg. (2 ♀♀ and 5 ♂♂, WIRC); Sauk County, Spring Green Preserve SNA (270 m) [43°12’ N 90°03’ W], Dry-mesic southern forest, Found on underside of leaf on branch of Carya ovata tree, 12.VI.2012, J. P. Gruber leg. (1 ♀, WIRC); Sheboygan County, Kohler-Andrae State Park, Woodland Dunes Nature Trail [43°39’07” N 87°43’38” W], Mixed hardwood/ coniferous forest, Beaten from branches of hardwood tree, 30.VII.2014, J. P. Gruber leg. (4♀♀ and 7 ♂♂, WIRC); Sheboygan County, Sheboygan [43°39’ N 87°43’ W], 27.VI.2001, P. Messer leg. (1 ♂, WIRC); Vernon County, Tunnelville Cliffs State Natural Area [43°34’ N 90°41’ W], Mixed hardwood forest, Beaten from branches of Carya sp. tree, 19.VII.2014, J. P. Gruber leg., (3 ♂♂, WIRC); Vernon County, Romance Prairie State Natural Area [43°33’11” N 91°08’36” W], Junction of oldfield/grassland and mixed forest, Beaten from branches of hardwood tree, 30.VI.2013, J. P. Gruber leg. (1 ♀, WIRC); Waukesha County [43°00’ N 88°17’ W], Collected from non-wilting Quercus alba , 17.VII.1949, W. McNeel leg. (2 ♀♀, WIRC); Waukesha County, 2.8 mi W of North Prairie [42°56’ N 88°27’ W], 30.VI.2001, Messer P. leg. (1 ♂, WIRC); Waupaca County [44°21’ N 89°05’ W], 20.VI.1920, L. G. Gentner leg. (1 ♀ and 1 ♂, WIRC); Wood County, Wood County SWA [44°18’ N 90°07’ W], Dry-mesic northern hardwood forest, Flight intercept trap, 6.VII.2000, J. P. Gruber leg. (1 sp., NGPC), 21.VII.2000, J. P. Gruber leg. (1 sp., NGPC).

Distribution. United States: Florida to Texas, north to Quebec and Michigan (extended from Werner (1990)).

Figures

FIGURE 1. Morphological characteristics of the genus Syzeton Blackburn, 1991. a, uniseriate elytral pubescence (example, Syzeton nubifer (LeConte, 1878)). b, bean-shaped transversal head in dorsal view (example Syzeton ouachitanus (Werner, 1990)). c, pronotum shape in dorsal view, with anterior margin made of segments converging toward head in an obtuse angle (example Syzeton floridanus (Werner, 1990)). d, pedicel (antennomere 2) shorter than antennomere 3 (examples, left, Syzeton ouachitanus (Werner, 1990) and right, Syzeton nubifer (LeConte, 1878)). e, last abdominal ventrite of ♀ with a medial pit (ex- ample Syzeton fasciatus (Melsheimer 1846)). f, enlargement of framed region in panel e, arrow pointing to pit. g, right midtarsus with arrowheads pointing to ventral brush (example Syzeton pallidus (Werner, 1990)). h, right hind femora in ventral view, white frame centered on excavation (example Syzeton pallidus (Werner, 1990)). i, enlargement of framed region in panel h, arrow pointing to excavation. scale bars: 100 µm.

FIGURE 2. Habitus of US Syzeton species. a, Syzeton ouachitanus (Werner, 1990) ♂ from Texas. b, S. fasciatus (Melsheimer 1846) ♂ from Wisconsin. c, S. hubbardi (Casey 1895) ♂ from Oklahoma. d, S. nubifer (LeConte, 1878) ♂ from Texas. e, S. ater (LeConte, 1875) ♂ from Arkansas. f, S. gruberi n. sp. ♂ paratype from Arizona. g, S. arizonae n. sp. ♂ holotype from Arizona. h, S. belovi n. sp. ♂ holotype from Texas. i, S. pallidus (Werner, 1990) ♂ from Texas. j, S. subfasciatus (LeConte, 1855) ♂ from Missouri. k, S. floridanus (Werner, 1990) ♂ from Florida. l, S. signatus (Haldeman, 1848) ♂ from South Carolina. m, S. ouachitanus (Werner, 1990), elytral variation. n, S. hubbardi (Casey 1895), elytral variations, the white lines delinate a ~20º angle between the inner oblique markings. o, S. nubifer (LeConte, 1878), elytral variations, the white lines delinate a ~30–40º angle between the inner oblique markings. Scale bars: 1 mm.

FIGURE 3. ♂ genitalia of US Syzeton species in ventral view (left on all panels) and lateral view (right on all panels, ventral facing to the left). a, Syzeton ouachitanus (Werner, 1990) ♂ from Texas. b, S. fasciatus (Melsheimer 1846) ♂ from Wisconsin. c, S. hubbardi (Casey 1895) ♂ from Oklahoma. d, S. nubifer (LeConte, 1878) ♂ from Texas. e, S. ater (LeConte, 1875) ♂ from Texas. f, S. gruberi n. sp. ♂ paratype from Arizona. g, S. arizonae n. sp. ♂ holotype from Arizona. h, S. belovi n. sp. ♂ holotype from Texas. i, S. pallidus (Werner, 1990) ♂ from Texas. j, S. subfasciatus (LeConte, 1855) ♂ from Missouri. k, S. floridanus (Werner, 1990) ♂ from Florida. l, S. signatus (Haldeman, 1848) ♂ from South Carolina. Note the presence of air bubbles in some of the genitalia presented here. Scale bars: 0.1 mm.

FIGURE 5. External morphology of US Syzeton species. a–l, ♂ right foretibia in upper view. a, Syzeton ouachitanus (Werner, 1990) ♂ from Texas. b, S. fasciatus (Melsheimer 1846) ♂ from Wisconsin. c, S. hubbardi (Casey 1895) ♂ from Oklahoma. d, S. nubifer (LeConte, 1878) ♂ from Texas. e, S. ater (LeConte, 1875) ♂ from Texas. f, S. gruberi n. sp. ♂ paratype from Arizona. g, S. arizonae n. sp. ♂ holotype from Arizona. h, S. belovi n. sp. ♂ holotype from Texas. i, S. pallidus (Werner, 1990) ♂ from Texas. j, S. subfasciatus (LeConte, 1855) ♂ from Missouri. k, S. floridanus (Werner, 1990) ♂ from Florida. l, S. signatus (Haldeman, 1848) ♂ from South Carolina.Arrowheads indicate kinks or other modification of the inner side of the tibias; double black arrow denotes the curve of the tibia. m–n, ♀ antennae with details of antennomere 6–8 (inset). m, S. belovi n. sp. ♀ paratype from Texas. n, S. pallidus (Werner, 1990) ♀ from Texas. o, left hind-leg of S. fasciastus (from Wisconsin) in ventral view (arrow indicates the inflated femur). p–q, pubescence on elytral disc. p, S. belovi n. sp. ♂ holotype from Texas. q, S. arizonae n. sp. ♂ holotype from Arizona. Scale bars: 0.1 mm.