Bathanthidium, Mavromoustakis, 1953

Key to the known species of Bathanthidium View in CoL

(Females of B. bicolor , B. monganshanense , males of B. fengkaiense , B. hainanense , B. emeiense unknown, not be included in the key)

1 Flagellum 10-segmented, female......................................................................... 2

- Flagellum 11-segmented, male.......................................................................... 11

2 Fovea behind propodeal spiracle rounded, delimited by strong carina....................... 3 B. ( Bathanthidium View in CoL s. str.)

- Fovea behind propodeal spiracle elongate, weakly delimited................................................... 5

3 Paraocular area with thin and long yellow marking extending along the inner margin to the top of the eye......................................................................... B. ( Bathanthidium View in CoL s. str.) bifoveolatum ( Alfken, 1937) View in CoL

- Paraocular area near ventral extreme with a small sub-triangle or sub-rectangle dull yellow marking................... 4

4 T1–T2 black, without yellow marking, T3–T5 with broader yellow bands, the band on T3 obviously interrupted medially; paraocular area yellow marking sub-rectangle; the lowest tooth on mandible acute......................................................................................... B. ( Bathanthidium View in CoL s. str) fengkaiense Niu & Zhu View in CoL , sp. nov.

- T1 black, T2 medially with a pair of small, stripe-like yellow markings, T3–T5 with broader yellow bands, the bands on T3–T5 entire, not interrupted medially; the lowest tooth on mandible slightly rounded........................................................................................... B. ( Bathanthidium View in CoL s. str) hainanense Niu, Wu & Zhu, 2012 View in CoL

5 Basal zone of propodeum not distinct, with irregular, sculptured, sloping pits laterally................. 6 B. ( Manthidium )

- Basal zone of propodeum distinct laterally, with regular, shiny, nearly horizontal pits...............8 B. ( Stenanthidiellum)

6 T6 yellow or with yellow fasciae basally; paraocular area black or with thin and long yellow marking.................. 7

- T6 black; paraocular area near ventral extreme with dull yellow marking or black.................................................................................................... B. ( Manthidium) atriceps ( Morawitz, 1890) View in CoL

7 T6 with yellow fasciae basally; paraocular area with thin and long yellow marking extending along the inner margin nearly to the top of the eye..................................................... B. ( Manthidium) barkamense ( Wu, 1986) View in CoL

- T6 yellow; paraocular area black, without yellow marking..................... B. ( Manthidium) binghami ( Friese, 1901) View in CoL

8 Scutellum with two broad yellow markings apically.......................... B. ( Stenanthidiellum) emeiense Wu, 2004 View in CoL

- Scutellum black...................................................................................... 9

9 Metasomal terga dull, not shiny; mandible with four teeth.................. B. ( Stenanthidiellum) malaisei ( Popov, 1941) View in CoL

- Metasomal terga shiny; mandible with two or three teeth..................................................... 10

10 Mandible with two teeth; paraocular area near ventral extreme with small yellow marking....................................................................................... B. ( Stenanthidiellum) sibiricum ( Eversmann, 1852) View in CoL

- Mandible with three teeth, 3 rd tooth more than 2x as far from dorsal tooth as from 2 nd tooth; paraocular area black, without yellow marking................................................... B. ( Stenanthidiellum) rubopunctatum ( Wu, 1993) View in CoL

11 Fovea behind propodeal spiracle rounded, delimited by strong carina; T7 trilobed, median lobe longest and broad, lateral lobe short and acute; paraocular area with thin and long yellow marking extending along the inner margin to the top of the eye............................................................ B. ( Bathanthidium View in CoL s. str.) bifoveolatum ( Alfken, 1937) View in CoL

- Fovea behind propodeal spiracle elongate, weakly delimited; T7 simple or with slightly produced median lobe (T7 of B. malaisei View in CoL otherwise); paraocular area black or with different shape yellow marking.................................... 12

12 Basal zone of propodeum not distinct, with irregular, sculptured, sloping pits laterally................ 13 B. ( Manthidium )

- Basal zone of propodeum distinct laterally, with regular, shiny, nearly horizontal pits..............17 B. ( Stenanthidiellum)

13 Paraocular area yellow marking thin and long, extending along the inner margin to the top or middle of the eye.......... 14

- Paraocular area yellow marking broad and short, only extending to the low margin of antennal socket................. 15

14 Mandible with two teeth; paraocular area yellow marking extending nearly to the top of the eye........................................................................................... B. ( Manthidium) barkamense ( Wu, 1986) View in CoL

- Mandible with three teeth; paraocular area yellow marking extending to the middle of the eye................................................................................................ B. ( Manthidium) bicolor ( Wu, 2004) View in CoL

15 T6 with yellow marking medially........................................ B. ( Manthidium) binghami ( Friese, 1901) View in CoL

- T6 black........................................................................................... 16

16 Clypeus and with shallow and sparse punctures; apicomedian margin of clypeus nearly straight......................................................................................... B. ( Manthidium) atriceps ( Morawitz, 1890) View in CoL

- Clypeus with deep and dense punctures; apicomedian margin of clypeus strongly extend.............................................................................................. B. ( Manthidium) moganshanense ( Wu, 2004) View in CoL

17 Paraocular area yellow marking thin and long, extending along the inner margin to the top or middle of the eye; T7 trilobed, the median lobe long and broad, lateral lobe small and acute................... B. ( Stenanthidiellum) malaisei ( Popov, 1941) View in CoL

- Paraocular area yellow marking broad and short, only extending to the low margin of antennal socket; T7 medially slightly produced or truncated................................................................................. 18

18 T7 medial projection triangular point with lateral shoulders.............. B. ( Stenanthidiellum) rubopunctatum ( Wu, 1993) View in CoL

- T7 simple, truncated apically.................................... B. ( Stenanthidiellum) sibiricum ( Eversmann, 1852) View in CoL