Anthaxia (Merocratus) angustata Bílý, 2019

Plachetka, Mikuláš, 2025, A new species of Anthaxia (Merocratus) Bílý, 1989 (Coleoptera, Buprestidae, Anthaxiini) from Vietnam, ZooKeys 1244, pp. 185-194 : 185-194

Anthaxia (Merocratus) angustata Bílý, 2019

Figs 9–12 , 15

Type specimens examined.

Anthaxia (Merocratus) angustata Bílý, 2019 : Holotype • ♂ ( NMPC): N-Vietnam, Ninh Binh Pr [ovince]., Cuc Phuong NP [National Park], 270 m, 20°17.5727'N, 105°40.052'E, 22. – 25. v. 2015, leg. A. Weigel // HOLOTYPE / Anthaxia / ( Merocratus ) / angustata sp. nov. / Sv. Bílý det. [red label, printed] .

Additional specimens examined.

Anthaxia (Merocratus) angustata Bílý, 2019 : Vietnam: • 1 ♂, 1 ♀ ( MPCP): VIETNAM V. 2023 / north Vietnam / Cao Bang / leg. local collector // Anthaxia (Merocratus) / angustata / Bílý 2019 / det. M. Plachetka 2024 .

Discussion.

The female (Figs 11 , 12 ) differs from the male (Figs 9 , 10 ) by its stouter body and more convex elytra, which are parallel-sided in the anterior two-thirds, then tapering, apices separately rounded. Elytra shiny black with red tinge in posterior half, green elytral maculae same as in male. Ventral side black to dark blue-green with a shiny green stripe in the anterior margin of the prosternum and mesosternum, and with a narrow stripe along the lateral margins of the sternites. Anal sternite with a “ Y ” notch (in male notch widely rectangular).

Figures

Figures 9–12. 9. Anthaxia (Merocratus) angustata Bílý, 2019, male, MPCP (dorsal view); 10. A. (M.) angustata Bílý, 2019, male (ventral view); 11. A. (M.) angustata Bílý, 2019, female, MPCP (dorsal view); 12. A. (M.) angustata Bílý, 2019, female (ventral view). Scale bars: 1.0 mm.

Figures 13–16. 13. Anthaxia (Merocratus) rydzii sp. nov., paratype, MPCP (aedeagus); 14. A. (M.) rydzii sp. nov., holotype, NMPC (parameres and median lobe); 15. A. (M.) angustata Bílý, 2019, male, MPCP (aedeagus); 16. A. (M.) barbieri Descarpentries, 1958, male, MPCP (aedeagus). Scale bar: 1.0 mm.