(15) Anterhynchium (Dirhynchium) flavomarginatum flavomarginatum (Smith, 1852)

Figs 49-55, 143-146

Rhynchium flavo-marginatum Smith, 1852: 35, type locality: not indicated although probably North China, NHMUK. Type: female.

Material examined.

CHINA: Hong Kong: 4♀ 4♂, Pak Sha O, reared, 20.iv.2010, 01.v.2010, 19.v.2010, 19.v.2013 & 11.vi.2016, UTM: 50Q KK 242 852, 70m, refs.: 0395. A.Hy. 1, 0403. A.Hy. 1, 0502.A. Hy. 1 & 0596.G. Hy. 1 [CBC] ; 1♀, High Island Reservoir, Sai Kung, hand net, 28.viii.2012, UTM: 50Q KK 269 786, 150m, ref.: 0482. B.Hy. 6 [CBC] ; 1♀, Ping Shan Chai, hand net, 04.vi.2016, UTM: 50Q KK 106 893, 140m, ref.: 0592. B.Hy. 7 [CBC] ; 13♂, Pak Sha O, reared, 22.vi.2009, 11.viii.2009, 25.iv.2010, 22.vii.2010, 24.vii.2010, 29.vii.2010, 28.iv.2011, 15.vi.2011, 12.v.2013, 17.v.2013 & 24.iv.2016, UTM: 50Q KK 242 849, 70m, refs.: 0349.A.Hy.2 [CBC], 0369.A.Hy.1 [CBC], 0398.A.Hy.1 [CBC], 0422.A.Hy.1, leg. C. Barthélémy [AMNH], 0424.A.Hy.1 & 2 [CBC], 0425.A.Hy.1 & 2 [CBC], 0438.A.Hy.1 [CBC], 0441.A.Hy.1 [CBC], 0498.A.Hy.1 [CBC], 0501.A.Hy.1 [CBC] & 0583.C.Hy.1, leg. C. Barthélémy [AMNH]; 6♀, same location, Malaise Trap, 14-31.v.2009, 31.v.-23.vi.2009, 21.xi.-26.xii.2010, 03-24.vii.2011 & 29.ix.-14.x.2012, refs.: M062.C. Hy. 10 [CBC], M063.C. Hy. 1 [CBC], M085.C. Hy. 1 & 2, leg. C. Barthélémy [AMNH], M095.C. Hy. 2, leg. C. Barthélémy [AMNH] & M116. C.Hy. 1 [CBC] .

Distribution.

China (Chongqing, Fujian, Guangxi, Hong Kong, Jiangxi, Shanghai, Sichuan, Zhejiang); Pakistan; India; Nepal; Laos; Vietnam, Mongolia; Korea; Japan.

Remarks.

An abundant wasp in Hong Kong. Dover (1926) first recorded this species from Hong Kong as Odynerus (Rygchium) flavomarginatum Sauss. Its nesting biology was described by Barthélémy (2012) and erroneously identified as Xenorhynchium sp.1. Cells are mass-provisioned with caterpillars belonging to the family Crambidae ( Barthélémy, 2012). There are two colour forms locally (see Figs 52-55). In fact this taxon is known for its colour variability and the nominotypical species has no less than 11 recognised subspecies, which is far from being satisfactory, further elucidation of this taxon is needed.