Polyodaspis Duda

Key to Palaearctic species of the genus Polyodaspis Duda View in CoL View at ENA

1. First basal cell ( bp) wide in the middle. Scutellum with many subapical setae or with single pair of subapical setae (Figs 8, 10).................................................................................................... 2

- First basal cell ( bp) not widened. Scutellum with single pair of subapical setae..................................... 6

2. Surface of frons with a swelling before ocellar triangle. Postocellar setae slightly convergent ( Fig. 7 View FIGURE 7. P ).—Europe ( Hungary)........................................................................... P. convexa Ismay et Schulten, 2003

- Surface of frons flat without a swelling before ocellar triangle. Postocellar setae parallel............................. 3

3. Scutellum with apical and many subapical setae on lateral margin.............................................. 4

- Scutellum with apical and one pair of subapical setae......................................................... 5

4. Scutum and scutellum more dull, covered compact setulae. Frontal triangle with minute reticulate sculpturing. Haltere black. (Figs 8–12)—Palaearctic and Oriental Regions...................................... P. ruficornis (Macquart, 1835) (= P. n uci s ( Perris, 1839); P. marginata (Loew, 1858) ; P tarsalis Frey, 1923 ; P. flavipila Duda, 1934 ; P. endogena de Meijere, 1938; P. flavisetosa Nartshuk, 1991 ; P. similis Nartshuk, 1991 ) (see Nartshuk, 2010, 2011a).

- Scutum and scutellum more shiny, less compactly setulose. Frontal triangle shiny. Haltere yellow.—South of France.......................................................................................... P. picardi Séguy, 1946

5. Anterior part of frons, face, anterior part of gena, antenna, palpi and legs including coxa brownish yellow. Proboscis short. Cerci in male genitalia fused ( Figs 13, 14).— Turkey.................................... P. splendida Nartshuk, 2012

- Frons, gena, antenna, and palpi black, legs black except yellowish tarsi.. Proboscis long geniculate. Cerci in male genitalia sep- arate ( Figs 15–19).—Europe ( Romania)............................................. P. maritima Nartshuk, 2014

6. Gena wide, twice wide as postpedicel and ¾ as high as eye................................................... 7

- Gena not so wide...................................................................................... 8

7. Gena not projecting before eye border and without diagonal ridge. Setae and setulae white ( Figs 1–6 View FIGURES 1 – 6 ).—Central Asia (Uzbeki- stan)............................................................................ P. ferulae Nartshuk , sp. n.

- Gena projecting before eye border and with diagonal ridge. Setae and setulae dark to black.—Central Asia ( Kyrgyzstan)...................................................................................... P. asiatica Becker 1910

8. Postpedicel onion-shaped, arista longer than frons ( Figs 20, 21)—Central Asia ( Uzbekistan)...... P. palpata Nartshuk, 2011

- Postpedicel not so thick, discoidal....................................................................... 9 9. Ocellar triangle smooth and shining. Surface of frons mat. 5th tergum of abdomen not longer than 4th. Abdomen without mem-