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2018
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| Online adgang: | https://doi.org/10.5281/zenodo.3850149 |
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| author | Steenis, Jeroen Van Hippa, Heikki Mutin, Valeri A. |
| author_facet | Steenis, Jeroen Van Hippa, Heikki Mutin, Valeri A. |
| contents | <p><b><i>Sphegina (Asiosphegina) licina</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act: 1372EDE8-F63B-4A5E-9D04-73326D717F31</p><p>Figs 54 F–G, 55, 56B, 59A</p><p><b>Differential diagnosis</b></p><p><i>Sphegina (Asiosphegina) licina</i> sp. nov. is somewhat similar to <i>S. (A.) albolobata</i> sp. nov. For distinguishing characters, see under the latter.</p><p><b>Etymology</b></p><p>The specific epithet is from the Latin ‘ <i>licina</i> ’, meaning ‘bent upwards’ and referring to the upwards bent male superior lobe.</p><p><b>Material examined</b></p><p><b>Holotype</b></p><p>THAILAND • <i>♂</i>; “ Thailand Chiang Mai Chomtong / Doi Inthanon NP, Siribhume waterfall / trap 1 18.546° N, 98.509° E 1376 m / 2–29.V.2014 [leg] W. Srisuka & R. Sawkord / Mal.[aise] Tp. QSBG 2014–132 ”; QSBG.</p><p><b>Description</b></p><p><b>Male</b></p><p>LENGTH. Body 7.2 mm, wing 5.5 mm</p><p>HEAD. Face in lateral view, Fig. 54F, concave, weakly projected antero-ventrally; frontal prominence weakly developed; mouth edge ventrally of eyes very wide. Ratio width of vertex at anterior ocellus: width of head 1: 4.0; ratio width of ocellar triangle: width of vertex 1: 2.1; ratio length of ocellar triangle: length of frons 1: 1.8. Face black, ventral half dark yellow, light grey pollinose, long pilose along eye-margin. Hypostomal bridge brown, long pale pilose. Gena and mouth edge brown-yellow with large subtriangular non-pollinose shiny area. Frons and vertex black, grey pollinose sub-shiny, a trapezoidal area posterior of lunula non-pollinose and shiny and posteriorly from the shiny part with large subtriangular densely grey pollinose macula at eye-margin (Fig. 54G); pile short, light yellow. Frons with elongate oval furrow medially. Occiput black, light grey pollinose, light yellow pilose. Eye without enlarged facets at anterior margin. Antenna with scape and pedicel brown-yellow, basoflagellomere light-brown to yellow with black setae dorsally on scape and pedicel; basoflagellomere squarish, ratio width: length 1: 1.1; arista long pilose, 2.5 times as long as basoflagellomere.</p><p>THORAX. Colour dark brown to black, greyish pollinose, scutum with vague more heavily grey pollinose vitta submedially, pleuron entirely grey pollinose; scutum and pleuron with very short adpressed light yellow pile. Scutellum sub-triangular, black, slightly greyish pollinose sub-shiny, with pile slightly longer than on scutum, with two widely set short setae medially at posterior margin, ratio length of scutellum: length of seta 1: 1.3.</p><p>WING. Microtrichose, basal 1/10 of cell cup bare; hyaline, stigma yellowish, membrane brown infuscated at junction of veins R 2+3 and R 4+5, along veins bm-cu, r-m, bm-cu and M 1, at apical end of veins R 2+3 and R 4+5 and at appendices of vein R 2+3. Crossvein dm-cu meeting vein M perpendicularly and vein M 1 meeting vein R 4+5 perpendicularly. Vein R 2+3 with medial and subapical appendix, vein CuA 1 extending beyond vein dm-cu.</p><p>LEGS. Pro- and mesoleg yellow, tarsomeres 3–5 dark brown to black. Metaleg with coxa and trochanter black; femur black with basal ¼ yellow, strongly incrassate, ratio width: length 1: 3.4; tibia black and yellow biannulate with short rounded apicoventral dens; tarsus entirely black, basitarsomere thin, ratio width: length 1: 4.0.</p><p>ABDOMEN. Length ratio of terga I: II: III: IV 1: 3.8: 1.9: 1.4; ratio width at posterior margin: medial length of tergum II and III 1: 4.0 and 1: 0.7. Terga black, tergum II with sub-anterior lateral brown-yellow macula, tergum III with a brown-yellow fascia on anterior ¼; pile pale, on terga short, laterally on terga I and II long; tergum I with 3 brown setae at lateral margin; sternum III rectangular, ratio width: length 1: 2.3; sternum IV, Fig. 55A: note the unusually medial position of the lobe at posterior margin; sterna VI, VII and VIII simple, with long yellow pile. Genitalia, Fig. 55 B–D: note the slightly asymmetrical surstyli and superior lobes.</p><p><b>Female</b></p><p>Unknown.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_3850149 |
| institution | Zenodo |
| language | |
| publishDate | 2018 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Sphegina (Asiosphegina) licina Steenis & Hippa & Mutin 2018, sp. nov. Steenis, Jeroen Van Hippa, Heikki Mutin, Valeri A. Biodiversity Taxonomy Animalia Arthropoda Insecta Diptera Syrphidae Sphegina Sphegina licina <p><b><i>Sphegina (Asiosphegina) licina</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act: 1372EDE8-F63B-4A5E-9D04-73326D717F31</p><p>Figs 54 F–G, 55, 56B, 59A</p><p><b>Differential diagnosis</b></p><p><i>Sphegina (Asiosphegina) licina</i> sp. nov. is somewhat similar to <i>S. (A.) albolobata</i> sp. nov. For distinguishing characters, see under the latter.</p><p><b>Etymology</b></p><p>The specific epithet is from the Latin ‘ <i>licina</i> ’, meaning ‘bent upwards’ and referring to the upwards bent male superior lobe.</p><p><b>Material examined</b></p><p><b>Holotype</b></p><p>THAILAND • <i>♂</i>; “ Thailand Chiang Mai Chomtong / Doi Inthanon NP, Siribhume waterfall / trap 1 18.546° N, 98.509° E 1376 m / 2–29.V.2014 [leg] W. Srisuka & R. Sawkord / Mal.[aise] Tp. QSBG 2014–132 ”; QSBG.</p><p><b>Description</b></p><p><b>Male</b></p><p>LENGTH. Body 7.2 mm, wing 5.5 mm</p><p>HEAD. Face in lateral view, Fig. 54F, concave, weakly projected antero-ventrally; frontal prominence weakly developed; mouth edge ventrally of eyes very wide. Ratio width of vertex at anterior ocellus: width of head 1: 4.0; ratio width of ocellar triangle: width of vertex 1: 2.1; ratio length of ocellar triangle: length of frons 1: 1.8. Face black, ventral half dark yellow, light grey pollinose, long pilose along eye-margin. Hypostomal bridge brown, long pale pilose. Gena and mouth edge brown-yellow with large subtriangular non-pollinose shiny area. Frons and vertex black, grey pollinose sub-shiny, a trapezoidal area posterior of lunula non-pollinose and shiny and posteriorly from the shiny part with large subtriangular densely grey pollinose macula at eye-margin (Fig. 54G); pile short, light yellow. Frons with elongate oval furrow medially. Occiput black, light grey pollinose, light yellow pilose. Eye without enlarged facets at anterior margin. Antenna with scape and pedicel brown-yellow, basoflagellomere light-brown to yellow with black setae dorsally on scape and pedicel; basoflagellomere squarish, ratio width: length 1: 1.1; arista long pilose, 2.5 times as long as basoflagellomere.</p><p>THORAX. Colour dark brown to black, greyish pollinose, scutum with vague more heavily grey pollinose vitta submedially, pleuron entirely grey pollinose; scutum and pleuron with very short adpressed light yellow pile. Scutellum sub-triangular, black, slightly greyish pollinose sub-shiny, with pile slightly longer than on scutum, with two widely set short setae medially at posterior margin, ratio length of scutellum: length of seta 1: 1.3.</p><p>WING. Microtrichose, basal 1/10 of cell cup bare; hyaline, stigma yellowish, membrane brown infuscated at junction of veins R 2+3 and R 4+5, along veins bm-cu, r-m, bm-cu and M 1, at apical end of veins R 2+3 and R 4+5 and at appendices of vein R 2+3. Crossvein dm-cu meeting vein M perpendicularly and vein M 1 meeting vein R 4+5 perpendicularly. Vein R 2+3 with medial and subapical appendix, vein CuA 1 extending beyond vein dm-cu.</p><p>LEGS. Pro- and mesoleg yellow, tarsomeres 3–5 dark brown to black. Metaleg with coxa and trochanter black; femur black with basal ¼ yellow, strongly incrassate, ratio width: length 1: 3.4; tibia black and yellow biannulate with short rounded apicoventral dens; tarsus entirely black, basitarsomere thin, ratio width: length 1: 4.0.</p><p>ABDOMEN. Length ratio of terga I: II: III: IV 1: 3.8: 1.9: 1.4; ratio width at posterior margin: medial length of tergum II and III 1: 4.0 and 1: 0.7. Terga black, tergum II with sub-anterior lateral brown-yellow macula, tergum III with a brown-yellow fascia on anterior ¼; pile pale, on terga short, laterally on terga I and II long; tergum I with 3 brown setae at lateral margin; sternum III rectangular, ratio width: length 1: 2.3; sternum IV, Fig. 55A: note the unusually medial position of the lobe at posterior margin; sterna VI, VII and VIII simple, with long yellow pile. Genitalia, Fig. 55 B–D: note the slightly asymmetrical surstyli and superior lobes.</p><p><b>Female</b></p><p>Unknown.</p> |
| title | Sphegina (Asiosphegina) licina Steenis & Hippa & Mutin 2018, sp. nov. |
| topic | Biodiversity Taxonomy Animalia Arthropoda Insecta Diptera Syrphidae Sphegina Sphegina licina |
| url | https://doi.org/10.5281/zenodo.3850149 |