Frischianus laticollis Frisch & Herman 2025, comb. nov.
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| author | Frisch, Johannes Herman, Lee |
| author_facet | Frisch, Johannes Herman, Lee |
| contents | <p><b><i>Frischianus laticollis</i> (Cameron), comb. nov.</b></p><p><b>(</b>Figs 2, 44, 67–69, 200, 238, 250)</p><p><i>Scopaeus laticollis</i> Cameron, 1925: 183, 184.</p><p><b>Type specimens examined:</b> Lectotype ♀, Indonesia, Jawa Barat, Cibodas, 400 m, VIII.1921, leg. Dammerman; labelled “Tjibodas / 1400 M. / VIII. 1921 ” (printed except for date), “ <i>Scopaeus</i> / <i>laticollis</i> Cam. / TYPE” (handwritten), “Type” (red, printed), “Lectotype / <i>Scopaeus laticollis</i> / Cameron, 1925 / des. Frisch & Herman, 2025” (NHML); here designated. Paralectotypes (2 specimens): 1 ♀, labelled “ Tjibodas / 1400 M. / VIII. 1921 ” (printed except for date), “ Cameron det.” (handwritten), “Syntypus” (red, printed), “ <i>Scopaeus</i> / <i>laticollis</i> Cam ” (handwritten), “coll. DEI / Eberswalde” (printed), “Paralectotype / <i>Scopaeus laticollis</i> / Cameron, 1925 / des. Frisch & Herman, 2025” (SDEI); 1 ♀, labelled “ Tjibodas / 1400 M. / VIII. 1921 ” (printed except for date), “ Scopaeus laticollis Cam. / Cotype”, “M. Cameron / Bequest / B.M.1955-147.” (printed), “Paralectotype / <i>Scopaeus laticollis</i> / Cameron, 1925 / des. Frisch & Herman, 2025” (NHML).</p><p>Cameron (1925: 183, 184) described <i>Scopaeus laticollis</i> based on “3 examples” from Cibodas [Tjibodas], which we examined. Even though Cameron labeled one of them as “Type”, these specimens are syntypes, because the author did not publish a holotype by original designation (ICZN 1999: Article 73.1.1.). Thus, a lectotype designation is required to stabilize the name <i>S. laticollis</i> Cameron, 1925 according to ICZN 1999, Article 74.1. As no male syntype is available, we select as the lectotype a female from the Cameron collection at NHML, which was collected at the type locality Cibodas and labeled “TYPE” by Cameron himself as can be seen from the example of his handwriting in Horn <i>et al.</i> (1990: 477).</p><p><i>Frischianus laticollis</i> is one of three closely related Javanese species that can accurately be distinguished only by the aedeagus. The other two species are described below as <i>F. similis</i> <b>sp. nov.</b> and <i>F. communis</i> <b>sp. nov.</b>. Even though no male types are available, <i>F. laticollis</i> can be interpreted quite reliably. Both the female lectotype and the two female paralectotypes differ from the females of <i>F. similis</i> and <i>F. communis</i> by the slightly longer gonocoxal plate (Fig. 250) and agree in this feature with a series that was later collected at the type locality Cibodas of <i>F. laticollis</i> and also contains males. We consider it a pragmatic solution to refer the species group name <i>laticollis</i> Cameron, 1925 to this species.</p><p><b>New records:</b> Indonesia: Jawa Barat: Bogor, NOslope of Mt Salak (06°39'55"S, 106°45'36"E), 640 m, 13.IX.2015, leg. Frisch (MFNB, ZMB); Bogor: Lake Warna, VIII.1984, leg. Robert (MHNG); Bogor, Cibodas, 1400 m, 3.–6.IX.1989, leg. Agosti, Burckhardt & Löbl (MHNG); Sukabumi, NNW Cidahu: Cirasamala River (S-slope of Mt Salak), (06°44'18"S, 106°42'52"E), 1210 m, 29.IX.2015, leg. Frisch (MFNB); Sukabumi, Cikaniki: Cikaniki River (Mt Halimun, Halimun–Salak National Park) (06°44'46"S, 106°32'25"E), 1020 m, 5.X.2015, leg. Frisch (ZMB); Sukabumi, Sirnarasa: Cimaja River (S-slope of Mt Halimun), (06°51'32"S, 106°31'06"E), 670 m, 21.IX.2015, leg. Frisch (MFNB, ZMB); Cianjur, Mt Gede, 1400–1500 m, 24.–28.V.1997, leg. Kurbatov (MHNG). Jawa Tengah: Pekalongan, Petungkriono (Nslope Dieng Plateau) (07°06.42'S, 109°44.51'), 1115 m, 22.VIII.2006, leg. Riedel (SMNK).</p><p><b>Description:</b> Habitus (Figs 2, 44). Macrophthalmous, macropterous with palisade fringe of abdominal tergite VII. Body color medium brown to dark brown with lighter brown humeral angles; light brown humeral color often extended across anterior third of elytra and along suture more or less reducing dark color to lateroposterior angles of elytra; tip of abdomen, antennae, palps, and legs light brown. Labral denticulation type 1 (Fig. 10). Forebody surface microsculpture type 2 (Fig. 2). Elytral rows of punctures distinct; sutural row of punctures impressed, occupying anterior half of elytral sutural length. Total body length 3.0– 3.6 mm; forebody length 1.8–2.0 mm.</p><p>Male: Abdominal sternite VII without diagnostic characters. Abdominal sternite VIII with deep, narrow, medioposterior incision with feebly concave lateral margins, occupying about 0.4 of sternite length (Fig. 200). Aedeagus (Figs 67–69) with apical lobe narrow, arising from sinistral half of truncate apical margin of aedeagus (Figs 68, 69); apical lobe with straight dorsal and convex ventral margin, gradually narrowed toward small, triangular, ventrad pointing apical tooth (Fig. 67). Position of endophallus in aedeagus unknown, because evaginated in all male type specimens. Endophallic sclerite elongate, curved dorsally, with strongly sclerotized, subcircular median portion (Fig. 67), in evaginated state broad in dorsal and ventral view (Fig. 68, 69). Dorsal endophallic spine, in lateral view, curved ventrad and narrowed toward thin, acute apical end (Fig. 67), not protruding from ostium when invaginated (cf. Figs 70, 97), in ventral and dorsal view almost straight with parallel lateral margins and acute apical end (Figs 68, 69). Dorsal, midlongitudinal split of phallobase type B (Fig. 39). Aedeagus with ventral margin between postforamen and apical lobe slightly concave (Fig. 67), in dorsal view long oval, slightly asymmetrical with dextral lateral margin more strongly curved than almost straight, sinistal lateral margin, and somewhat tapered apicad (Fig. 69). Length of aedeagus 0.44–0.45 mm.</p><p>Female: Gonocoxal plate 1.7 times as long as wide, without basal and subbasal ridge, with subparallel, slightly concave lateral margins, shallowly emarginate posterior margin, and biconvex basal margin (Fig. 250).</p><p><b>Distribution:</b> <i>Frischianus laticollis</i> is spread in western and Central Java, Indonesia, and recorded from 06°51'32"S, 106°31'06"E at Mount Halimun, Jawa Barat, as far east as 07°06.42'S, 109°44.51', Dieng Plateau in Jawa Tengah.</p> |
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| publishDate | 2025 |
| publisher | Zenodo |
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| spellingShingle | Frischianus laticollis Frisch & Herman 2025, comb. nov. Frisch, Johannes Herman, Lee Biodiversity Taxonomy Animalia Arthropoda Insecta Coleoptera Staphylinidae Frischianus Frischianus laticollis <p><b><i>Frischianus laticollis</i> (Cameron), comb. nov.</b></p><p><b>(</b>Figs 2, 44, 67–69, 200, 238, 250)</p><p><i>Scopaeus laticollis</i> Cameron, 1925: 183, 184.</p><p><b>Type specimens examined:</b> Lectotype ♀, Indonesia, Jawa Barat, Cibodas, 400 m, VIII.1921, leg. Dammerman; labelled “Tjibodas / 1400 M. / VIII. 1921 ” (printed except for date), “ <i>Scopaeus</i> / <i>laticollis</i> Cam. / TYPE” (handwritten), “Type” (red, printed), “Lectotype / <i>Scopaeus laticollis</i> / Cameron, 1925 / des. Frisch & Herman, 2025” (NHML); here designated. Paralectotypes (2 specimens): 1 ♀, labelled “ Tjibodas / 1400 M. / VIII. 1921 ” (printed except for date), “ Cameron det.” (handwritten), “Syntypus” (red, printed), “ <i>Scopaeus</i> / <i>laticollis</i> Cam ” (handwritten), “coll. DEI / Eberswalde” (printed), “Paralectotype / <i>Scopaeus laticollis</i> / Cameron, 1925 / des. Frisch & Herman, 2025” (SDEI); 1 ♀, labelled “ Tjibodas / 1400 M. / VIII. 1921 ” (printed except for date), “ Scopaeus laticollis Cam. / Cotype”, “M. Cameron / Bequest / B.M.1955-147.” (printed), “Paralectotype / <i>Scopaeus laticollis</i> / Cameron, 1925 / des. Frisch & Herman, 2025” (NHML).</p><p>Cameron (1925: 183, 184) described <i>Scopaeus laticollis</i> based on “3 examples” from Cibodas [Tjibodas], which we examined. Even though Cameron labeled one of them as “Type”, these specimens are syntypes, because the author did not publish a holotype by original designation (ICZN 1999: Article 73.1.1.). Thus, a lectotype designation is required to stabilize the name <i>S. laticollis</i> Cameron, 1925 according to ICZN 1999, Article 74.1. As no male syntype is available, we select as the lectotype a female from the Cameron collection at NHML, which was collected at the type locality Cibodas and labeled “TYPE” by Cameron himself as can be seen from the example of his handwriting in Horn <i>et al.</i> (1990: 477).</p><p><i>Frischianus laticollis</i> is one of three closely related Javanese species that can accurately be distinguished only by the aedeagus. The other two species are described below as <i>F. similis</i> <b>sp. nov.</b> and <i>F. communis</i> <b>sp. nov.</b>. Even though no male types are available, <i>F. laticollis</i> can be interpreted quite reliably. Both the female lectotype and the two female paralectotypes differ from the females of <i>F. similis</i> and <i>F. communis</i> by the slightly longer gonocoxal plate (Fig. 250) and agree in this feature with a series that was later collected at the type locality Cibodas of <i>F. laticollis</i> and also contains males. We consider it a pragmatic solution to refer the species group name <i>laticollis</i> Cameron, 1925 to this species.</p><p><b>New records:</b> Indonesia: Jawa Barat: Bogor, NOslope of Mt Salak (06°39'55"S, 106°45'36"E), 640 m, 13.IX.2015, leg. Frisch (MFNB, ZMB); Bogor: Lake Warna, VIII.1984, leg. Robert (MHNG); Bogor, Cibodas, 1400 m, 3.–6.IX.1989, leg. Agosti, Burckhardt & Löbl (MHNG); Sukabumi, NNW Cidahu: Cirasamala River (S-slope of Mt Salak), (06°44'18"S, 106°42'52"E), 1210 m, 29.IX.2015, leg. Frisch (MFNB); Sukabumi, Cikaniki: Cikaniki River (Mt Halimun, Halimun–Salak National Park) (06°44'46"S, 106°32'25"E), 1020 m, 5.X.2015, leg. Frisch (ZMB); Sukabumi, Sirnarasa: Cimaja River (S-slope of Mt Halimun), (06°51'32"S, 106°31'06"E), 670 m, 21.IX.2015, leg. Frisch (MFNB, ZMB); Cianjur, Mt Gede, 1400–1500 m, 24.–28.V.1997, leg. Kurbatov (MHNG). Jawa Tengah: Pekalongan, Petungkriono (Nslope Dieng Plateau) (07°06.42'S, 109°44.51'), 1115 m, 22.VIII.2006, leg. Riedel (SMNK).</p><p><b>Description:</b> Habitus (Figs 2, 44). Macrophthalmous, macropterous with palisade fringe of abdominal tergite VII. Body color medium brown to dark brown with lighter brown humeral angles; light brown humeral color often extended across anterior third of elytra and along suture more or less reducing dark color to lateroposterior angles of elytra; tip of abdomen, antennae, palps, and legs light brown. Labral denticulation type 1 (Fig. 10). Forebody surface microsculpture type 2 (Fig. 2). Elytral rows of punctures distinct; sutural row of punctures impressed, occupying anterior half of elytral sutural length. Total body length 3.0– 3.6 mm; forebody length 1.8–2.0 mm.</p><p>Male: Abdominal sternite VII without diagnostic characters. Abdominal sternite VIII with deep, narrow, medioposterior incision with feebly concave lateral margins, occupying about 0.4 of sternite length (Fig. 200). Aedeagus (Figs 67–69) with apical lobe narrow, arising from sinistral half of truncate apical margin of aedeagus (Figs 68, 69); apical lobe with straight dorsal and convex ventral margin, gradually narrowed toward small, triangular, ventrad pointing apical tooth (Fig. 67). Position of endophallus in aedeagus unknown, because evaginated in all male type specimens. Endophallic sclerite elongate, curved dorsally, with strongly sclerotized, subcircular median portion (Fig. 67), in evaginated state broad in dorsal and ventral view (Fig. 68, 69). Dorsal endophallic spine, in lateral view, curved ventrad and narrowed toward thin, acute apical end (Fig. 67), not protruding from ostium when invaginated (cf. Figs 70, 97), in ventral and dorsal view almost straight with parallel lateral margins and acute apical end (Figs 68, 69). Dorsal, midlongitudinal split of phallobase type B (Fig. 39). Aedeagus with ventral margin between postforamen and apical lobe slightly concave (Fig. 67), in dorsal view long oval, slightly asymmetrical with dextral lateral margin more strongly curved than almost straight, sinistal lateral margin, and somewhat tapered apicad (Fig. 69). Length of aedeagus 0.44–0.45 mm.</p><p>Female: Gonocoxal plate 1.7 times as long as wide, without basal and subbasal ridge, with subparallel, slightly concave lateral margins, shallowly emarginate posterior margin, and biconvex basal margin (Fig. 250).</p><p><b>Distribution:</b> <i>Frischianus laticollis</i> is spread in western and Central Java, Indonesia, and recorded from 06°51'32"S, 106°31'06"E at Mount Halimun, Jawa Barat, as far east as 07°06.42'S, 109°44.51', Dieng Plateau in Jawa Tengah.</p> |
| title | Frischianus laticollis Frisch & Herman 2025, comb. nov. |
| topic | Biodiversity Taxonomy Animalia Arthropoda Insecta Coleoptera Staphylinidae Frischianus Frischianus laticollis |
| url | https://doi.org/10.5281/zenodo.18483195 |