Sierola splendida Magnacca, 2026, sp. nov.
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2026
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| author | Magnacca, Karl |
| author_facet | Magnacca, Karl |
| contents | <p><b><i>Sierola splendida</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act: 847C4523-EEB1-42E9-AD10-0246918372A3</p><p>Figs 182–183</p><p><b>Diagnosis</b></p><p>Part of the species cluster with the clypeus evenly convex dorsally without any carina or ridge, frons shining with smooth reticulation, and head broad. Separated from <i>S. mucronervis</i> sp. nov. and other similar species by having the head not quite as wide as long, mandible black, and cell R of the fore wing with a distinct distal cluster of setae.</p><p><b>Etymology</b></p><p>From the Latin ‘ <i>splendidus</i> ’, ‘lustrous’ or ‘glorious’, referring to both the polished head and the type locality.</p><p><b>Type material</b></p><p><b>Holotype</b></p><p>AUSTRALIA – <b>Queensland</b> • ♀; Mt Glorious; 22 Jun.–18 Oct. 1982; A. Hiller leg.; Malaise trap, “R.F.”; QM T262174.</p><p><b>Paratypes</b></p><p>AUSTRALIA – <b>Queensland</b> • 1 ♀; Hurdle Gully, 14.8 km WSW of Monto; 24°55′ S, 150°59′ E; elev. 460 m; 20 Dec. 1997 – 26 Apr. 1998; G. Monteith leg.; open forest pitfall trap; QM. – <b>Victoria</b> • 1 ♀; Barbara Baehr’s pitfall 8 Ned’s Corner Bush Blitz; 34°07′28″ S, 141°17′50.1″ E; 23–29 Nov. 2011; B. Baehr leg.; BBNC 716, pitfall trap; MVMA HYM-61042.</p><p><b>Description</b></p><p><b>Female</b></p><p>HEAD. Clypeal process semicircular, apex rounded; dorsally flat, not carinate, slightly convex only laterally; in profile evenly curved from base to apex, apical angle slightly acute. Mandible narrow, slightly broadened at base and apex, ventral margin weakly concave; not twisted, at most weakly convex outwardly, outwardly polished and shining distal of bend, coriaceous and dull basally; in ventral view evenly, moderately curved. Apex of mandible vertical, with equally strong teeth. Malar space very small. Dorsal setae of head shorter than flagellar width. Frons moderately punctate, about 2–3 pit widths apart. Vertex and gena setae conspicuous, nearly twice as long as setae of frons and stronger, erect and directed anterior. Frons microsculpture evident but smooth, shining. Vertex in dorsal view very slightly concave; occipital margin narrowly carinate posterior of ocelli, becoming broadly rounded laterally. Lateral ocelli nearly touching vertex crest. Ocellar triangle anterior angle right. Head narrowed posterior to eyes. Eye setae short, only about as long as 1–2 ommatidia. Dorsum of head in lateral view strongly convex, head deepest on line through posterior margin of eye. Venter of head posterior to mandible concave in lateral view, with relatively sparse setae. Genal angle broadly rounded. Side of head posterior to eye with a line of tesselate microsculpture extending from posteroventral margin of eye to vertex crest, distinctly different from smoother sculpting dorsally and ventrally. Gena ventral to eye convex; sculpture mostly even, small area of colliculate sculpture along ventral eye margin. Postgenal depression deep, distinct, broad. Antenna extending to pronotum.</p><p>MESOSOMA. Anterior margin of dorsal pronotal area in lateral view evenly rounded. Pronotal setae about as long as flagellar width or scarcely longer. Propodeal disc laterally finely, weakly striate; median carina absent; transverse carina absent, brow of declivity broadly rounded; metapleural carinae complete. Profemur robust, about twice as long as wide and strongly convex dorsally, with both anterior and posterior surfaces convex, not strongly compressed, more or less straight in dorsal view.</p><p>METASOMA. Shining, with faint microsculpture laterally. S4–6 each with a pair of moderately long erect setae, those on S6 twice as long as others. Sixth sternum glabrous medially, with a mix of long and short setae laterally.</p><p>COLOR. Body entirely dark brown to black. Antenna brown on base of scape and apical flagellomeres, yellow medially. Mandible black. Coxae and femora dark brown to black, tibiae, tarsi, and trochanters yellow.</p><p>WINGS. Membrane hyaline. Basal cells of fore wing mostly glabrous, cell R densely setose apically. Cell 1M weakly convex posteriorly, corner posteroapical. Distal portion of vein Rs strongly curved, meeting anterior wing margin at oblique angle.</p><p>MEASUREMENTS. LFW 1.70 mm; LM 0.92 mm (0.92–0.98); WH/LH 0.95 (0.94–0.97); DH/LH 0.53 (0.51–0.53); EV/HE 0.44 (0.43–0.44); EV/WF 0.42 (0.42–0.43); WF/HE 1.05 (1.02–1.05); WH/WF 1.73 (1.73–1.81); OOL/WOT 1.09 (1.02–1.09); DM/LM 0.37; FL/FW 1.89 (1.78–1.89); HFL/HFW 2.33 (2.25–2.33); A3 L/ W 1.18 (1.18–1.30); 2R1 L/ W 2.69. N = 3.</p><p><b>Distribution</b></p><p>Queensland and Victoria; known from three specimens.</p><p><b>Remarks</b></p><p>The Victoria specimen was collected far away from and in much drier habitat than the Queensland ones, but matches them in all respects.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19566908 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Sierola splendida Magnacca, 2026, sp. nov. Magnacca, Karl Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Bethylidae Sierola Sierola splendida <p><b><i>Sierola splendida</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act: 847C4523-EEB1-42E9-AD10-0246918372A3</p><p>Figs 182–183</p><p><b>Diagnosis</b></p><p>Part of the species cluster with the clypeus evenly convex dorsally without any carina or ridge, frons shining with smooth reticulation, and head broad. Separated from <i>S. mucronervis</i> sp. nov. and other similar species by having the head not quite as wide as long, mandible black, and cell R of the fore wing with a distinct distal cluster of setae.</p><p><b>Etymology</b></p><p>From the Latin ‘ <i>splendidus</i> ’, ‘lustrous’ or ‘glorious’, referring to both the polished head and the type locality.</p><p><b>Type material</b></p><p><b>Holotype</b></p><p>AUSTRALIA – <b>Queensland</b> • ♀; Mt Glorious; 22 Jun.–18 Oct. 1982; A. Hiller leg.; Malaise trap, “R.F.”; QM T262174.</p><p><b>Paratypes</b></p><p>AUSTRALIA – <b>Queensland</b> • 1 ♀; Hurdle Gully, 14.8 km WSW of Monto; 24°55′ S, 150°59′ E; elev. 460 m; 20 Dec. 1997 – 26 Apr. 1998; G. Monteith leg.; open forest pitfall trap; QM. – <b>Victoria</b> • 1 ♀; Barbara Baehr’s pitfall 8 Ned’s Corner Bush Blitz; 34°07′28″ S, 141°17′50.1″ E; 23–29 Nov. 2011; B. Baehr leg.; BBNC 716, pitfall trap; MVMA HYM-61042.</p><p><b>Description</b></p><p><b>Female</b></p><p>HEAD. Clypeal process semicircular, apex rounded; dorsally flat, not carinate, slightly convex only laterally; in profile evenly curved from base to apex, apical angle slightly acute. Mandible narrow, slightly broadened at base and apex, ventral margin weakly concave; not twisted, at most weakly convex outwardly, outwardly polished and shining distal of bend, coriaceous and dull basally; in ventral view evenly, moderately curved. Apex of mandible vertical, with equally strong teeth. Malar space very small. Dorsal setae of head shorter than flagellar width. Frons moderately punctate, about 2–3 pit widths apart. Vertex and gena setae conspicuous, nearly twice as long as setae of frons and stronger, erect and directed anterior. Frons microsculpture evident but smooth, shining. Vertex in dorsal view very slightly concave; occipital margin narrowly carinate posterior of ocelli, becoming broadly rounded laterally. Lateral ocelli nearly touching vertex crest. Ocellar triangle anterior angle right. Head narrowed posterior to eyes. Eye setae short, only about as long as 1–2 ommatidia. Dorsum of head in lateral view strongly convex, head deepest on line through posterior margin of eye. Venter of head posterior to mandible concave in lateral view, with relatively sparse setae. Genal angle broadly rounded. Side of head posterior to eye with a line of tesselate microsculpture extending from posteroventral margin of eye to vertex crest, distinctly different from smoother sculpting dorsally and ventrally. Gena ventral to eye convex; sculpture mostly even, small area of colliculate sculpture along ventral eye margin. Postgenal depression deep, distinct, broad. Antenna extending to pronotum.</p><p>MESOSOMA. Anterior margin of dorsal pronotal area in lateral view evenly rounded. Pronotal setae about as long as flagellar width or scarcely longer. Propodeal disc laterally finely, weakly striate; median carina absent; transverse carina absent, brow of declivity broadly rounded; metapleural carinae complete. Profemur robust, about twice as long as wide and strongly convex dorsally, with both anterior and posterior surfaces convex, not strongly compressed, more or less straight in dorsal view.</p><p>METASOMA. Shining, with faint microsculpture laterally. S4–6 each with a pair of moderately long erect setae, those on S6 twice as long as others. Sixth sternum glabrous medially, with a mix of long and short setae laterally.</p><p>COLOR. Body entirely dark brown to black. Antenna brown on base of scape and apical flagellomeres, yellow medially. Mandible black. Coxae and femora dark brown to black, tibiae, tarsi, and trochanters yellow.</p><p>WINGS. Membrane hyaline. Basal cells of fore wing mostly glabrous, cell R densely setose apically. Cell 1M weakly convex posteriorly, corner posteroapical. Distal portion of vein Rs strongly curved, meeting anterior wing margin at oblique angle.</p><p>MEASUREMENTS. LFW 1.70 mm; LM 0.92 mm (0.92–0.98); WH/LH 0.95 (0.94–0.97); DH/LH 0.53 (0.51–0.53); EV/HE 0.44 (0.43–0.44); EV/WF 0.42 (0.42–0.43); WF/HE 1.05 (1.02–1.05); WH/WF 1.73 (1.73–1.81); OOL/WOT 1.09 (1.02–1.09); DM/LM 0.37; FL/FW 1.89 (1.78–1.89); HFL/HFW 2.33 (2.25–2.33); A3 L/ W 1.18 (1.18–1.30); 2R1 L/ W 2.69. N = 3.</p><p><b>Distribution</b></p><p>Queensland and Victoria; known from three specimens.</p><p><b>Remarks</b></p><p>The Victoria specimen was collected far away from and in much drier habitat than the Queensland ones, but matches them in all respects.</p> |
| title | Sierola splendida Magnacca, 2026, sp. nov. |
| topic | Biodiversity Taxonomy Animalia Arthropoda Insecta Hymenoptera Bethylidae Sierola Sierola splendida |
| url | https://doi.org/10.5281/zenodo.19566908 |