Scopaeus cuspidatus Frisch, 2022

Frisch, Johannes & Narakusumo, Raden Pramesa, 2022, Revision of Scopaeus Erichson, 1839 (Coleoptera, Staphylinidae, Paederinae) of Indonesia, with description of 19 new species, Soil Organisms 95 (1), pp. 23-73 : 58-59

publication ID	https://doi.org/ 10.25674/so95iss1id311
DOI	https://doi.org/10.5281/zenodo.10724327
persistent identifier	https://treatment.plazi.org/id/03B7C77A-FFE3-FFD0-BC8F-FD820F1F0796
treatment provided by	Felipe
scientific name	Scopaeus cuspidatus Frisch
status	sp. nov.

Treatment

Scopaeus cuspidatus Frisch , spec. nov.

( Figs 23 View Figures 23–26 , 47 View Figures 42–49 , 113 – 115 View Figures 113–115 , 142, 143, 176)

Type specimens: Indonesia: Holotype ♂, Bali, Jembrana: Cekik , 20.6. 1994, 300 m, leg. Wunderle ( PWCM) . Paratypes (2 specimens): 1 ♂, Central Sulawesi, Morowali: Beteleme – Tinompo (02°06’06’’S, 121°08’26’’E), 430 m, 12.5.2017, leg. Frisch ( MFNB) GoogleMaps ; 1 ♀, Jawa Barat, NO Bogor: NO-slope Mt Salak (06°39’55’’S, 106°45’36’’E), 640 m, 13.9.2016, leg. Frisch ( MZB) GoogleMaps .

Description: Habitus and coloring as in Fig. 23 View Figures 23–26 . Head trapezoidal with concave posterior margin. Penultimate antennal segment transverse. Mesotibia moderately thickened. Forebody surface with relatively coarse, spacious, setose punctation; microreticulation absent; body surface shiny. Pubescence of body surface short, decumbent, without conspicuous macrosetae. Forebody unicolorous orange brown; abdomen light brown; appendages yellow-brown. Total body length 2.3 – 2.5 mm; forebody length 1.2 – 1.3 mm.

Male: Posterior margin of abdominal sternite VII extended in narrow, tapered, median lobe (Fig. 142). Abdominal sternite VIII with short, narrow, triangular emargination in posterior eighth and basal margin in median third notably concave, almost reaching subbasal ridge (Fig. 143). Aedeagus ( Figs 47 View Figures 42–49 , 113 – 115 View Figures 113–115 ) about 0.5 mm long, strongly sclerotized, thus dark reddish brown; phallobase compact, with large, distad projecting dorsodistal window ( Fig. 47 View Figures 42–49 , 113 View Figures 113–115 ), strongly narrowed towards long, slender, apicad tapered distal portion of aedeagus with narrow, short apical lobes each with ventroapical widening studded with longitudinal row of about six stout setae followed proximally by weakly sclerotized, broad, longitudinal enlargement with acute ventroproximal end ( Figs 113, 114 View Figures 113–115 ); dorsal lobe and flagellum inconspicuous; ventral lobe beginning with wide, triangular, proximal enlargement projecting from phallobase, then weakly sclerotized distad, very thin in ventral view ( Fig. 114 View Figures 113–115 ), in lateral view straight ventrally and evenly narrowed towards base of apical lobes ( Figs 47 View Figures 42–49 , 113 View Figures 113–115 ); median foramen small, limited distally by ventrally projecting, transverse ridge ( Figs 113, 114 View Figures 113–115 ).

Female: Sperm pump with short process segment and long, straight chamber without apophysis, narrowed towards thin, weakly sclerotized bursal duct ( Fig. 176 View Figures 173–178 ); bursa membranous.

Distribution: Scopaeus cuspidatus was found in Bali, Jawa and Sulawesi and seems to be widespread across Indonesia.

Etymology: For this new species the epithet cuspidatus (adjective, Latin: ‘tapered, pointed’) was chosen in reference of the distinct spine at the posterior margin of abdominal sternite VII (Fig. 142).