Nothocyphon ypsilon, Zwick, Peter, 2015

Zwick, Peter, 2015, Australian Marsh Beetles (Coleoptera: Scirtidae). 7. Genus Nothocyphon, new genus, Zootaxa 3981 (3), pp. 301-359 : 310-311

Nothocyphon ypsilon , n. sp.

( Figs. 11−13 , 15, 16 )

Type material: holotype ♂, 1♂ paratype: 35.16S 149.06E, Black Mtn ACT 600m Dec. 1986 Weir, Lawrence, Dressler \ flight interception—window trap ( ANIC).

Additional paratypes: ACT: 9♂: 35.16S 149.06E, Black Mtn ACT 600m Dec. 1987 M.E.Irwin ex Malaise trap; 1♂: Black Mtn, light trap, ACT, 29.1. 68 M.S.Upton; 1♂: 35.14S 149.11 ACT Mt. Majura Oct. C.Reid beating dead Eucalypt leaves.— NSW: 1♂: 30.30S 152.23E NSW Thungutti Camp New England N.P. 16–18.Nov.1990 T.A.Weir at light; 1♂: 31.52D 152.22 E, Wingham Scrub N.S.W. 3.i. 70 in UV light trap, Brittain, Holloway, Misko; 1♂: 34.43S, 150.11E, Surf Beach, NSW (Bateman's Bay) light trap, 2.iii.72, S.Misko; 1♂: Bruxner Park, Coffs Harbour, N.S.W. ii. 65 M.S.Upton; 1♂: Minnamurra Falls NSW 34.38S, 156.43E, 26.ii.1969, Brittain & Misko; 1♂: Upper Allyn River NSW, 14.Feb.1968, D.H.Colless (all ANIC). 1♂, 1♀: nr Yowaka River NSW, 59 05208N 557 42731E J & R Miller 15.6.69; 1♂: NSW Brindale Creek campground. At light Border Rngs. Nt. Pk. 22/19/09 [sic!] CHS.Watts \ DNA VOUCHER CW Sc #241; 1♀: NSW 5 km E Dorrigo At Light 20/10/09 CHS.Watts \ DNA VOUCHER CW Sc #248 (all SAMA). 1♂: Williams R., Salisbury NSW 29.v.63 G. Monteith \ UQIC Reg. #88679 ( QMSB). 1♀: Australia, NSW O'Sullivan's Gap 22 September 1991 Vince Lorimer m\ in leaf litter by creek VWHL-108 \ 32°20'S, 152°15'E \ K249526 (AMS).— SA: 2♂, 3♀: Parachilna Flinders Range Hale; 1♀: Melrose S.A. Oct. A.M.Lea; 1♀: Mt. Lofty, S.A. J.G.O.Tepper ( SAMA). 2 ♂, Aldgate S.A. Oct. 1921 Wilson \ Cyphon lindensis Blackb. Id. by J.Armstrong (MV, T-21993, T-21994).— VIC: 1♂: Eltham 24.6.25 \ Cyphon lindensis Blackb. Id. by J.Armstrong (T-21995); 1♀: 7 km W Neerim, Vic., Tarago River 1.Mar.1972. Neboiss (T- 21998) (all MV). 1♂: 37.44S 145.43E VIC Warburton 2.2 km NE on Acheron Way 320m 27.Feb,1993 931 A.Newton & M.Thayer \\ Euc.regnans forest w.Acacia dealbata pyr.fogging fungusy logs ( ANIC).− TAS: 1♂: 42.34S 147.50E 4km W Oxford TAS 27.Jan.1983 J.C.Cardale coll. at light ( ANIC). 1♀: Clarendon, Griffith collection Id. By A.M.Lea Macrohelodes sp. Tas. 469; 2♂: Maitland Tas. 471 Griffith collection id. By A.M.Lea; 1♂: Launceston Tas. Lea; 1♂: Hobart Tas. Lea; 1♂: Hobart Tas. Lea \ Cyphon 8788 Tasmania; 3♂: R. Isis Tas Dec. 0 1 Griffith collection Id. by A.M.Lea (all SAMA). 2♂: Tasmania \ Cyphon lindensis Blackb. Id. by J.Armstrong (MV; T-21996, T-21997)— QLD: 1♂: Ewan Rd 4 mi W of Paluma, N.Q., at light, 9.1.68, J.G.Brooks; 1♂: Wallaville, Qld. T.L.Bancroft (all ANIC). 1♀: QLD Ellis Beach CHSWatts 12\10\12 \ beating riparian vegetation \ 749 \Watts det. lindensis ( SAMA). 1♀: Brisbane QLD. Oct. 61 Light Trap \ UQIC Reg. #88663; 1♀: N.E.Qld. 19°30'Sx 146°57'E, Mt. Elliott summit 1150m, 12 May 1991, D.Cox, Pyrethrum, tree & logs (QM Reg.No. T227415); 1♀: Bluewater range, 50 km WNW Townsville, N.E.Qld, 6–9.Dec. 1986, 700m, Monteith, Thompson & Hamlet Flight intercept Trap (QM Reg.No. T227416); 1♀: Bulburin S.F., 600m, 9km E Many Peaks, C.Qld. 17 Sept. 1989, G.B.Monteith, Pyrethrum, rainforest (QM Reg.No. T227417); 1♂: C.Qld., 21°52'Sx 147°18'E Upper Hall Ck, via Camilla, 4.Dec.96 – 6.Apr. 1997, G.Monteith and E.Mulder, Intercept, RF at Creek (QM Reg.No. T227413); 1♂: MEQ: 21°36'Sx 148°58'E, Blue Mt. 0.6 km SE, 930m, 4.Oct, 1999, G.B.Monteith, rainforest, Pyrethrum trees & logs, 7806 (QM Reg.No. T227414) (all QMSB). 1♀: Mt. Spec N.Q. 1/67 G.B. \ J.G. Brooks, Bequest ( ANIC).

Additional material: 1♂: Blue Mts., Blackburn [ NSW; body missing, genitalia slide only] ( SAMA). 1♀: 34.24S 150.50E Mt. Keira Scout Camp NSW ca. 320m 4/ 5 Mar.1981 Lawrence & Calder \ under bark rotten logs ( ANIC).

Habitus. BL 2.5−3.5mm, BL/BW ~1.6. Similar to N. lindensis , most specimens yellow with a round brown spot near the light sutural interval at half length of elytron. In some, there is also a brown stripe along the suture extending forward to the scutellum and sometimes further, to just inside of the humerus.

Male ( Figs. 11−13 ): Segments 8 and 9 similar to N. lindensis . Penis more slender than in N. lindensis , pala rounded. The parameroids are a little longer than the trigonium, curving around its tip. The sclerotized trigonium apex is shaped like a wide Y. The truncate end of each branch is rough and bears ventrally some strong teeth ( Fig. 12 , seen by transparency). The long hollow cone between penis and S9 is beset with fine microtrichia and projects ventrally from under the trigonium. The tegmen is funnel-shaped, basally wide, ventrally on each side with two (occasionally one) huge falcate claws, no separate parameres. The caudo-lateral portions of the tegmen are soft and unpigmented, with small spinules and asperities.

Female. Tip of S7 with denser pilosity than rest, segment 8 resembles N. lindensis . Ovipositor ( Fig. 15 ) unmodified. Prehensor ( Fig. 16 ) similar to N. lindensis but the central sclerite with the sclerotized nipple possesses two rough deep pockets, the front end of the plate is parabolic. On the opposite side of the duct lies a narrow loopshaped sclerite and in front of it a wide sclerotized area whose anterolateral ends carry the spinule bands which are composed of larger teeth but less dense than in N. lindensis .

Notes. Nothocyphon ypsilon and N. lindensis are close relatives that are sympatric in much of their large mainland range. However, of the two only N. ypsilon occurs in Tasmania which permitted the definite association of sexes.

Etymology. The name alludes to the resemblance of the penis tip to the Greek letter Y.

Figures

FIGURES 8 – 13. Nothocyphon lindensis - group, male genitalia. N. lindensis: 8, ventral view of cleared protracted genitalia; 9, the same, dorsal view; 10, oblique ventral view of the erect genitalia, trigonium deflexed. — N. ypsilon: 11, ventral view of tegmen, penis and S 9; 12, penis tip, ventral, enlarged; 13, dorsal view of cleared protracted genitalia; 8, 9, 11, 13 to the same scale, 10 not to scale. Abbreviations: hs, hollow spine; pa, pala; pd, parameroid; pe, paramere; te, tegmen; tr, trigonium.

FIGURES 14 – 16. Nothocyphon lindensis - group, females. N. lindensis, prehensor: 14 a, dorsoventral; 14 b, lateral. — N. ypsilon: 15, dorso-ventral view of the cleared abdomen; 16, prehensor. 14, 16 to similar size, not to scale.