Scopaeus elegantulus Cameron, 1930

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 : 48-51

publication ID

https://doi.org/ 10.25674/so95iss1id311

DOI

https://doi.org/10.5281/zenodo.10880259

persistent identifier

https://treatment.plazi.org/id/03B7C77A-FFD9-FFE8-BF0A-FB700E550699

treatment provided by

Felipe

scientific name

Scopaeus elegantulus Cameron, 1930
status

 

Scopaeus elegantulus Cameron, 1930 View in CoL

( Figs 18 View Figures 17–22 , 43 View Figures 42–49 , 95 – 97 View Figures 92–97 , 136, 170, 171)

Scopaeus elegantulu s Cameron, 1930: 346, 347.

Type specimens examined: Holotype ♂, Malaysia, Pahang: Raub; labeled ‘Type’ (red edged, round, printed label), ‘Raub / Pahang F.M.S. / Dr. Cameron’ (printed), ‘S. / elegantulus Cam. / TYPE’ (handwritten), ‘M. Cameron / Bequest / B.M.1955-147.’ (printed), ‘NHMUK014663052’ (printed with QR-code), ‘ Holotype / Scopaeus elegantulus / Cameron 1930 / label by J. Frisch, 2022 ’ (red, printed) ( NHML). Paratypes: 4 ♂, labeled ‘Raub / Pahang F.M.S. / Dr. Cameron’ (printed), ‘M. Cameron / Bequest / B.M.1955-147.’ (printed), ‘ Paratype / Scopaeus elegantulus / Cameron 1930 / label by J. Frisch, 2022 ’ (subsequent paratype label, red, printed) ( NHML).

Comment: In the original description of Scopaeus elegantulus , the number of underlying specimens is missing, but Cameron (1930: 347) wrote the type was from Raub and labeled it as the ‘type’. Thus, the specimen is a holotype by original designation ( ICZN 1999: Article 73.1.1.). In the same paper, Cameron (1930) several times termed holotypes by monotypy ( ICZN 1999: Article 73.1.2.) as ‘unique’, but not for S. elegantulus , which is why I conclude that the species was described after more than one specimen. Thus, I consider the four remaining specimens as paratypes, because they originate from the type locality and the Cameron collection at NHML.

New Indonesian records: Bali: Jembrana: env. Cekik , 20.6. 1994, 300 m, leg. Wunderle ( PWCM) . Jawa Barat: Sukabumi, Sirnarasa, Cisarua : Ciawitali River (06°51’39’’S, 106°30’48’’E), 680 m, 20.9.2015, leg. Frisch ( MFNB, MZB) GoogleMaps ; Sukabumi, Cikaniki: Cikaniki River ( Mt Halimun , Halimun-Salak NP), 950 m, 26.4.1999, leg. MZB ( MZB) ; Sukabumi, Cikaniki: Cikaniki River ( Mt Halimun , Halimun-Salak NP), (06°44’46’’S, 106°32’25’’E), 1020 m, 17.9.2015, leg. Frisch ( MZB) GoogleMaps ; Sukabumi, Sirnarasa: Cimaja River (S-slope Mt Halimun ), (06°51’32’’S, 106°31’06’’E), 670 m, 21.9.2015, leg. Frisch ( MFNB, MZB) GoogleMaps ; Sukabumi: Simaresmi ( Halimun-Salak NP), (06°49’44’’S, 106°30’02’’E), 1190 m, 22.9.2015, leg. Frisch ( MFNB, MZB) GoogleMaps ; Sukabumi, Kiara Dua: Ciletuh River (07°08’27’’S, 106°37’46’’E), 710 m, 24.9.2015, leg. Frisch ( MFNB) GoogleMaps ; Sukabumi , N Djampang Kulon: Cikarang River (07°14’03’’S, 106°36’49’’E), 250 m, 25.9.2015, leg. Frisch ( MFNB, MZB) GoogleMaps ; Bogor [Buitenzorg], leg. Lea & wife ( SAMA) . Jawa Timur: Situbondo : 15 km N Wonorejo (Baluran NP), 50 m, 24. – 28.6.2001, leg. Bolm ( SMNS) ; Tulungagung [Toeloengagoeng], 84 m, leg. Louwerens ( NHML) . Riau: Bukit Tigapuluh NP (0°50’S, 102°26’E), 18. – 25.1.2000, leg. Bezdĕk ( PKCC) GoogleMaps . Sumatera Barat : Bukittingii: Fort de Kock , 920 m, 1926, leg. Jacobson ( NHML) .

Redescription: Habitus and coloring as in Fig. 18 View Figures 17–22 . Head subcircular. Penultimate antennal segment quadrate or slightly elongate. Mesotibia strongly thickened. Body surface shiny with fine, spacious, setose punctation; microreticulation absent. Pubescence of body surface short, erect. Body orange-brown to black-brown with reddish tinge, usually reddish dark brown with pronotum and abdomen somewhat lighter than head and elytra; tip of abdomen and posterior sixth of elytra yellow-brown; maxillary palpi light medium brown; antennae with scapus medium brown and pedicellus and subsequent segments more or less blackened, gradually lighter towards light brown terminal segments. Total body length 3.1 – 3.7 mm; forebody length 1.9 – 2.1 mm.

Male: Abdominal sternite VII with unmodified posterior margin. Abdominal sternite VIII in about posterior fifth with wide, triangular emargination straight in median fourth (Fig. 136). Aedeagus ( Figs 43 View Figures 42–49 , 95 – 97 View Figures 92–97 ) about 0.7 mm long, with short, asymmetrical distal lobes; apical lobes rectangular with wide, truncate apex and small, acute, apicoventral tooth ( Figs 43 View Figures 42–49 , 95 View Figures 92–97 ), in ventral strongly curved distomediad and slightly overlapping distomedially ( Figs 96 View Figures 92–97 ); dorsal lobe stout, transverse, with apex emarginate ( Figs 96, 97 View Figures 92–97 ); flagellum short, thin, projecting from apical lobes ventrally as well as small, proximad curved tooth proximal of flagellum ( Figs 43 View Figures 42–49 , 95 View Figures 92–97 ); setose lateral lobes absent ( Figs 96, 97 View Figures 92–97 ); ventral lobe about twice as long as wide with apex acute in lateral view ( Figs 43 View Figures 42–49 , 95 View Figures 92–97 ), but deeply emarginate in ventral view ( Fig. 96 View Figures 92–97 ); median foramen oblong with acute proximal end, occupying more than half of phallobase length ( Fig. 96 View Figures 92–97 ), with transverse ridge weakly sclerotized and lateral ridges of median foramen bent up ventrad ( Figs 95, 96 View Figures 92–97 : arrows II, III).

Female: Chamber of sperm pump elongate, with apophysis adjacent to bursal duct ( Fig. 171 View Figures 163–172 ); bursal duct about twice as long as sperm pump; bursa membranous ( Figs 170 View Figures 163–172 ).

Phylogeny: Scopaeus elegantulus is a member of the S. gracilis species group ( Frisch et al. 2002: 39).

Distribution: Described from Pahang in the Malay Peninsula, Scopaeus elegantulus is widely distributed across Indonesia and recorded for Java, Sumatra and Bali.

NHML

Natural History Museum, Tripoli

MFNB

Museo Friulano di Storia Naturale

MZB

Museum Zoologicum Bogoriense

SAMA

South Australia Museum

SMNS

Staatliches Museum fuer Naturkund Stuttgart

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Scopaeus

Loc

Scopaeus elegantulus Cameron, 1930

Frisch, Johannes & Narakusumo, Raden Pramesa 2022
2022
Loc

Scopaeus elegantulu

Cameron, M. 1930: 346
1930
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