Nomada roberjeotiana

Yu, Maxim & Lelej, Arkady S., 2010, Review of the Nomada roberjeotiana species-group (Hymenoptera: Apidae) of Russia, with description of new species, Zootaxa 2335, pp. 1-15 : 11-12

Key to the species of Nomada roberjeotiana species-group

( Nomada albidemaculata Łozi ṅski not included because of unavailability of material)

Males (unknown in N. setteri )

1 Fore wing with two submarginal cells. Antenna 12-segmented .................................................................................. 2

- Fore wing with three submarginal cells. Antenna 13-segmented................................................................................ 3

2 Scutellum with pair bright yellow maculae.................................................................................. N. koikensis Tsuneki

- Scutellum black ................................................................................................................................. N. mitaii sp. nov.

3 Interantennal elevation flattened on top, or wholly rounded without a distinct carina ................................................ 4

- Interantennal elevation with longitudinal keeled carina.............................................................................................. 9

4 Basal part of clypeus black........................................................................................................................................... 5

- Clypeus wholly yellow................................................................................................................................................. 8

5 Hind tibia without apicomedian setae................................................................................................ N. esana Tsuneki

- Hind tibia with apicomedian setae................................................................................................................................ 6

6 T4 and T5 without yellow maculae............................................................................................... N. issikii Yasumatsu

- T4 and T5 with pair small yellow maculae................................................................................................................... 7

7 Scutellum and propodeum black ............................................................................................. N. obtusifrons Nylander

- Scutellum and propodeum reddish-brown................................................................................... N. palmeni Morawitz

8 Antenna and legs largely brownish-yellow or pale brown. Inner eye orbits subparallel .... N. okamotonis Matsumura

- Antenna and legs largely black. Inner eye orbits convergent below........................... N. hakusana hakusana Tsuneki

9 T1 black. Scutellum flat. S2–S6 with yellow maculae.................................................................. N. rufipes Fabricius

- T1 reddish. Scutellum tuberculate. S2–S6 without yellow maculae................ N. roberjeotiana roberjeotiana Panzer

Females

1 Fore wing with two submarginal cells.........................................................................................................................2

- Fore wing with three submarginal cells ....................................................................................................................... 3

2 Scutellum black, propodeum outside metapostnotum polished, impunctate................................ N. koikensis Tsuneki

- Scutellum dark brown, propodeum outside metapostnotum minutely wrinkled, not shining........... N. mitaii sp. nov.

3 Interantennal elevation flattened on top, or wholly rounded without a distinct carina ................................................ 4

- Interantennal elevation with longitudinal keeled carina............................................................................................. 10

4 Face wholly black........................................................................................................................................................ 5

- Face more or less yellow or with pale brown maculae................................................................................................ 7

5 Metasoma black............................................................................................................................. N. issikii Yasumatsu

- Metasoma reddish-brown............................................................................................................................................ 6

6 Scutellum and propodeum black.............................................................................................. N. obtusifrons Nylander

- Scutellum and propodeum reddish-brown................................................................................... N. palmeni Morawitz

7 Pseudopygidium with additional fringe of black setae which upcurved apically.............................. N. setteri sp. nov.

- Pseudopygidium without additional fringe of black setae........................................................................................... 8

8 Hind tibia without apicomedian setae ............................................................................................... N. esana Tsuneki

- Hind tibia with apicomedian setae............................................................................................................................... 9

9 Antenna and legs brownish-yellow or pale brown. Scutellum with transverse yellow macula..................................... .............................................................................................................................................. N. okamotonis Matsumura

- Antenna and legs largely black. Scutellum with two yellow maculae divided medially by thin black stripe................ ...................................................................................................................................... N. hakusana hakusana Tsuneki

10 Scutellum with pair bright yellow maculae. Metanotum and T1 black. Lower paraocular area black.......................... ....................................................................................................................................................... N. rufipes Fabricius

- Scutellum with pair reddish-brown maculae. Metanotum and T1 reddish-brown. Lower paraocular area reddish- brown ................................................................................................................ N. roberjeotiana roberjeotiana Panzer