Australian Marsh Beetles (Coleoptera: Scirtidae). 7. Genus Nothocyphon, new genus Author Zwick, Peter text Zootaxa 2015 3981 3 301 359 journal article 10.11646/zootaxa.3981.3.1 13ca0acb-0db1-4ee9-bb85-a90cdc65dcf3 1175-5326 240978 34F39733-E55C-4695-8749-E6811F675740 Nothocyphon serratipenis , n. sp. ( Figs. 41−45 ) Type material: 1♂ holotype , 2 ♂ paratypes : Tasmania \ K 24-144 \? Cyphon var. pictus Blck. ? Id. by JHCarter \ Cyphon very near but prob. not pictus Bl. Id. by A.M.Lea \ K249509 (AMS). Additional paratypes : 1♂ : Hobart TAS . Lea; 2♂♂: 42.41S 146.43 TAS , National Park, low bushes entrance to NP, 150m , Feb. 1992 , C. Reid; 1♂ paratype , 1 probable ♀: 1090 [red ink] \ Tasmania \ Cyphon doctus Lea? var. cf. pictus Blkb. (originally together on the same card which has a green band across the base, perhaps taken in copula; female genitalia missing) (all ANIC ). 2♂ : TAS , South Esk R. Evandale, 1.3.67 A.Neboiss (MV, T-22023, T-22024). Habitus. BL 2.9−3.0 mm. BL/BW ~1.7. Elongate-suboval. Head and pronotum yellowish brown, pronotum with brown marks. Elytra light to dark brown, with variably distinct pattern ( Fig. 45 ). On either side of the scutellum the front edge of the elytra is pale. A dark band extends over the anterior 2/3 of the elytral side margin. Directly behind the humerus is a short curved spot. Near midlength a dark band extends obliquely across the elytra, with a short backward spur along the light sutural interval. Male ( Figs. 41−44 ). Segments 8 and 9 as standard in the group. Tegmen a narrow band supporting the elongate parameres which have no armature except a blunt curved caudoventral spur. Penis slender, the hairpin-like pala occupies 2/3 of its length. The widest point is at the origin of the slender parameroids. They are longer than the trigonium which they embrace. The trigonium is carrot-shaped with roughened apex. Two prominent ventral keels rise cephalad beginning at some distance from apex and side edge, each with a row of large sharp teeth ( Figs. 43, 44 ). Female (presumed). The only specimen is very dark but the elytral pattern can still be recognized. The female abdominal sternites are unmodified, damaged, genitalia missing. Note . The male genitalia readily separate N. serratipenis from its relatives, especially N. multidentatus n. sp. , see account of that species. Etymology . The name is an adjective referring to the saw-like crests on the penis apex (Latin serra , a saw).