Nanna puberula ( Becker, 1894 )

Ozerov, A. L. & Krivosheina, M. G., 2015, A review of the genera Cleigastra Macquart, Gonarcticus Becker, Gonatherus Rondani, Hexamitocera Becker, Nanna Strobl, Orthacheta Becker and Spathephilus Becker (Diptera, Scathophagidae) of Russia, Zootaxa 4012 (2), pp. 201-258 : 240-244

Nanna puberula ( Becker, 1894)

Figs 146–150 .

puberula Becker, 1894: 114 (Amaurosoma) . Type-locality: not stated.

Remarks. This species was recorded for the first time for Russia by Šifner (2008: 154) from Moscow Oblast.

Material examined. No material was examined from the territory of Russia.

Additional material examined. “ Czech Republic: Krkonoše, Labský důl near Labe river, MT, 1040 m (50°45'48"N, 15°33'05"E), 15–21.VI 2006, J. Vaněk”, “ Nanna puberula det. M. Barták” (1 ♂, ZMUM).

Diagnostic description. Male. Body-length about 4 mm. Head. Frons black in upper half and reddish-yellow in lower half. 3 orbital setae present. Antenna black. Postpedicel with acutely angled upper apical corner, approximately 2.5 times as long as wide. Thorax black, grey dusted, but scutum with two shining spots, also postpronotal lobe shining anteriorly. Proepisternum with hairs in central part. Katepisternum with strong anterior katepisternal and upper posterior katepisternal black setae. Legs yellow, only tarsi slightly darkened. Fore femur with 8–9 anteroventral setae ( Fig. 146 ). Hind tibia with strong apical posteroventral seta. Wing tinged with brownish. Abdomen black, greyish dusted. Male sternite 4 rectangular, approximately 2 times as long as wide ( Fig. 147 ). Male sternite 5 with black lobes, as in Fig. 148 . Epandrium, cerci and surstyli as in Figs 149, 150 . Female not examined.

Distribution. Russia: Moscow Oblast ( Šifner, 2008: 154).—Europe.

Figures

FIGURES 146 – 150. Nanna puberula (Becker): 146 — fore femur, anterior view; 147 — male sternite 4; 148 — male sternite 5; 149 — epandrium, cerci and surstyli, lateral view; 150 — same, dorsal view. Fig. 146 after Ozerov (2013 e, Figure 15).