Apolygopsis nigra

Apolygopsis nigra (Poppius, 1915) Fig. 2 Lygus niger Poppius, 1915 b: 35. Yasunaga et al. 2018: 375. Prolygus niger. Schwartz and Kerzhner 1997: 253; Zheng et al. 2004: 563. Material examined. Vietnam • 4 ♂♂ 2 ♀♀, Da Nang City, Phuoc Son District, Kham Duc (15°26'50.74"N, 107°47'50.01"E), 391 m altitude, 4.iv.2025, J. Kim leg. (ZCDTU) ((DTUHMM 0095–0099). Diagnosis and description. Distinguished by the mostly dark brown dorsum; first antennomere mostly pale brown; legs almost unicolorous, mostly yellowish pale brown. See Yasunaga et al. (2018) for the detailed differential diagnosis and the redescription. Measurements (in mm). Male (n = 1) / female (n = 1) Body length, clypeus – apex of membrane: 2.93 / 3.02; head length, excluding collar: 0.24 / 0.29; head width across eyes: 0.95 / 0.94; vertex width: 0.35 / 0.32; length of 1 st antennomere: 0.39 / 0.37; 2 nd: 1.25 / 1.21; 3 rd: 0.66 / 0.66; 4 th: 0.48 / 0.46; mesal pronotal length: 0.64 / 0.65; pronotal maximal width: 1.26 / 1.34; scutellar width: 0.70 / 0.68; mesal scutellar length: 0.56 / 0.61; claval commissure length: 0.62 / 0.69; maximal width across hemelytron: 0.67 / 0.79; length of hind leg (femur: tibia: tarsus): 1.21: 1.77: 0.47 / 1.28: 1.82: 0.48. Plant association. This species was collected from the inflorescence of an unidentified broad-leaved tree. Distribution. Laos, Malaysia, Nepal, the Philippines, Taiwan, Thailand (Poppius 1915 b; Yasunaga et al. 2018), Vietnam (Central) (new records).