Maculergithus luteomaculatus (Constant & Pham, 2016)

Fig. 2G

Gergithus (Maculergithus) luteomaculatus Constant & Pham, 2016: 6 (keyed, described), figs 2a–b, 3–4 (habitus, details, male terminalia).

Gnezdilovius luteomaculatus – Meng et al. 2017: 18 (transferred to Gnezdilovius Meng, Webb & Wang, 2017).

Maculergithus luteomaculatus – Gnezdilov 2017b: 1345 (transferred to Maculergithus).

Diagnosis

Maculergithus luteomaculatus can be recognized by:

(1) the frons with a yellow spot along dorsal margin;

(2) the yellow vertex;

(3) the two yellow spots on tegmina along sutural margin;

(4) the tegmina with 8 yellow spots in total;

(5) the left ventrolateral lobe of periandrium laminate and projecting laterally with 3 pointed processes projecting anterolaterally, the median one more developed, and another, more posterior pointed process projecting laterally.

Material examined

VIETNAM • 2 ♀♀; Quang Ninh Province, Dong Son-Ky Thuong Nature Reserve; 21°08′29″ N, 107°04′53″ E; 27 Aug. 2022; 550 m a.s.l.; secondary forest; GTI Project; J. Constant, J. Bresseel and L. Semeraro leg.; I.G.: 34.518; RBINS • 1 ♀; same collection data as for preceding; VNMN .

Note

This represents the first record of the species outside its type locality in Tam Dao National Park, and the first record from Quang Ninh Province.