Cordilura richterae Ozerov & Krivosheina, sp. nov.

• Main Authors: Ozerov, A. L., Krivosheina, M. G.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Muscidae; Cordilura; Cordilura richterae; Sakhalin
• Online Access: https://doi.org/10.5281/zenodo.6096997; http://treatment.plazi.org/id/AC1F3C20FFF5EF418FA4C1C49860F82E

Cordilura richterae Ozerov & Krivosheina, sp. nov. (Figs. 2–4) Material examined . Holotype male, Russia: Sakhalin Oblast, Kuril Islands, Iturup I., Rybaki (45.2076824N 147.8485107E), 23.VI.1968 V. Richter (in ZISP). The holotype is pinned; the left hind leg is missing but otherwise it is in good condition. Paratype male, Russia: Sakhalin Oblast, Kuril Islands, Iturup I., Kurilsk (45.2252N 147.8754E), 25.VI.1968, V. Richter (in ZMUM). Description . Male . Length of body 6.3–6.4 mm. Length of wing 5.5–5.6 mm. Head . Frontal vitta yellow, matt; fronto-orbital plate black in upper half and yellow in lower half, whitish dusted. Ocellar triangle black. Face and parafacial whitish. Gena yellow-whitish dusted. Postcranium black, thinly greyish dusted, with black setae in upper third and pale hairs in lower part. Setae: 2 orbitals, 4 frontals, 1 ocellar, 1 inner vertical, 1 outer vertical (approximately 0.5 times as long as inner vertical in paratype and subequal in holotype), 1 small postocellar; 1 pair of strong vibrissae and 1–2 pairs of subvibrissae present. Antenna yellow. Postpedicel rounded apically, approximately 1.5 times as long as wide. Arista yellow, plumose in basal third and the rest bare. Palpus, clypeus and proboscis yellow. Palpus with a long apical seta. Thorax black, scutum subshining, thoracic sclerites greyish dusted. Acrostichal hairs in two rows, dorsocentrals 3+3 (first presutural short and directed anteriorly), intra-alars 1+1, supra-alars 1+2, 2 postpronotals, 2 notopleurals (the posterior approximately 0.5 times as long as anterior), 2 postalars. Proepisternum with pale hairs and 1–2 black or yellow setae near ventral margin. Proepimeron with 1 yellow seta ventral to spiracle. Anepisternum with a few pale hairs in posterior half and 2 black setae near posterior margin. Katepisternum with black hairs in ventral corner and posterior half, also with 1 strong long black seta in posterodorsal corner. Anepimeron bare. Scutellum with a pair of strong lateral setae and a pair of apical setulae. ...