Tarucus (Kongmingius) waterstradti Druce, 1895

Li, Hua-Zhao, Liu, Zhe, Yin, Wen-Xi & Li, Jia-Ling, 2025, Morphological and genetic evidence reveals a new subgenus of Tarucus Moore, [1881] (Lepidoptera: Lycaenidae), Zootaxa 5646 (3), pp. 400-408 : 405

Tarucus (Kongmingius) waterstradti Druce, 1895 (īa"ĸ)

Tarucus waterstradti waterstradti Druce, 1895: 585 for original description + pl. 32, fig. 21 for ♀; Evans (1955): 181 for ♂ genitalia; Seki et al. (1991): pl. 14, L67 for ♂ and ♀ lectotype; Takanami (1992): 42, fig. 13 for ♀ lectotype.

Castalius ananda waterstradti : Fruhstorfer (1918): 26; Fruhstorfer (1923): 885 + pl. 153 for ♀.

Castalius ananda vileja Fruhstorfer, 1918: 25 for original description + pl. 4, fig. 3 for ♂ genitalia; Fruhstorfer (1923): 885.

Tarucus waterstradti vileja : Evans (1955): 186; Maschwitz et al. (1985): 187 for early stages + 189 for underside + 190 for host; D’Abrera (1986): 649 for ♀; Saito & Inayoshi (2018): figs. 58, 59 for ♂ and ♀; van der Poorten & van der Poorten (2020): pl. 77, fig. 15 for ♂ and ♀; Inayoshi (2025): ♀♀.

Tarucus dharta Bethune-Baker, 1918: 291 for original description + pl. 14, fig. 15 for ♂ + pl. 17, fig. 14 for ♂ genitalia; Evans (1932): 215; Bailey (1951): 283.

Tarucus waterstradti dharta : Evans (1955): 186; Basu et al. (2019): fig. 1a for ♂ lectotype and ♀ paralectotype + fig. 1c for ♂ + fig. 2 for ♂ and genitalia + fig. 3b for ♂ genitalia; Sajan & Sapkota (2024): fig. 18; Inayoshi (2025) and Kunte et al. (2025): ♂♂ and ♀♀ + early stages.

Tarucus waterstradti simillimus Schröder & Treadaway, 1985 : for original description.

Castalius ananda [misid.]: de Nicéville (1884): pl. 1, 11a for ♀.

Materials. Ssp. dharta: ♂, 29.I.2023, Thailand, Chiang Mai, Y. Inayoshi leg. ( CYI). Ssp. vileja: ♂, 28.XI.2020, Thailand, Yala, Betong, S. Atdhabhan leg. ; ♀: 28.VIII.2022, Thailand, Yala, Betong, S. Atdhabhan leg. ( CYI) .

Distribution. India, Nepal, Myanmar, Thailand, Malaysia, Indonesia, Philippines.

Remarks. In addition to the differences listed by Evans (1955), this species can be also distinguished from the preceding species by the following characteristics: (i) the marginal spots on the hindwing underside, especially in space 2, are less conspicuous and adorned with blue scales; (ii) the postdiscal spots on the hindwing underside are more developed.