Sphegina (Asiosphegina) mirifica Hippa, van Steenis & Mutin 2015
Creators: name: Steenis, Jeroen Van
name: Hippa, Heikki
name: Mutin, Valeri A.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Syrphidae
Sphegina
Sphegina mirifica

description: Sphegina (Asiosphegina) mirifica Hippa, van Steenis & Mutin, 2015
Figs 63B, 77A
Sphegina (Asiosphegina) mirifica Hippa, van Steenis & Mutin, 2015: 36. Type locality: Kambaiti, Myanmar (holotype, ♂, NHM).
Material examined
MYANMAR • 1 ♀; “ N.E. Burma / Kambaiti 2000 m / 12–17.6.[19]34 [leg] Malaise”; JSA.
Description
Female
LENGTH. Body 6.9 mm, wing 5.9 mm.
HEAD. Face in lateral view concave, weakly projected antero-ventrally; frontal prominence weakly developed. Ratio width of vertex at anterior ocellus: width of head 1: 3.5; ratio width of ocellar triangle: width of vertex 1: 2.3; ratio length of ocellar triangle: length of frons 1: 3.0. Face dark brown to black; grey pollinose, long pilose along eye-margin. Hypostomal bridge dark brown, long pale pilose. Gena black, mouth edge red-brown with large subtriangular non-pollinose shiny area. Frons and vertex dark brown, slightly greyish pollinose, except frons with semi-circular non-pollinose and shiny part posteriorly from lunula; pile short, light yellow. Frons with weak, wide pit antero-medially. Occiput black, light grey pollinose, light yellow pilose. Eye without enlarged facets at anterior margin. Antenna dark brown with black setae dorsally on scape and pedicel; basoflagellomere missing.
THORAX. Colour dark brown to black, grey pollinose, pleuron entirely more heavily grey pollinose; scutum and pleuron with very short adpressed light yellow pile. Scutellum semicircular, dark brown, sub-shiny, faintly pollinose, with pile slightly longer than on scutum, with two very widely set, very short setae medially at posterior margin, ratio length of scutellum: length of setae 1: 0.9.
WING. Entirely microtrichose; hyaline, stigma yellowish, membrane brown infuscated at junction of veins R 2+3 and R 4+5, along veins bm-cu, dm-cu, r-m, M 1, the extra crossvein between R 2+3 and R 1, at the junction of veins M 1 and R 4+5 and at apical appendix of vein R 2+3. Crossvein dm-cu meeting vein M perpendicularly and vein M 1 meeting vein R 4+5 perpendicularly. Apical part of vein R 2+3 with long appendix and extra crossvein between veins R 1 and R
2+3.
LEGS. Pro- and mesoleg with femora and tibiae dark brown to black on apical ⅔ to ¾; tarsi with tarsomeres 2–5 black. Metaleg with coxa dark brown and trochanter yellow; femur yellow to orangeyellow, incrassate, ratio width: length 1: 4.2; tibia black and yellow biannulate, without apicoventral dens; tarsus entirely black, basitarsomere thick, ratio width: length 1: 3.3.
ABDOMEN. Length ratio of terga I: II: III: IV: V 1: 2.7: 2.3: 1.6: 0.8; ratio width at posterior margin: medial length of tergum II and III 1: 2.1 and 1: 0.9. Tergum I brown, terga II–V orange-yellow; pile
pale, on terga short, laterally on terga I and II long; tergum I, Fig. 77A with 2 strong light yellow setae at lateral margin; sternum III ellipsoidal, ratio width: length 1: 2.8; sternum IV trapezoidal, ratio width: length 1: 1.6, and sternum V squarish with strong transverse rim at posterior margin, ratio width: length 1: 1.1.
Remarks
Known only from the type material from Myanmar, Kambaiti (Hippa et al. 2015) and the here studied specimen.
description: Published as part of Steenis, Jeroen Van, Hippa, Heikki & Mutin, Valeri A., 2018, Revision of the Oriental species of the genus Sphegina Meigen, 1822 (Diptera: Syrphidae), pp. 1-198 in European Journal of Taxonomy 489 on pages 125-126, DOI: 10.5852/ejt.2018.489, http://zenodo.org/record/3830537