Myrmecina asthena Okido, Ogata & Hosoishi, 2020

Gu, Zhuojian, Zhang, Chen, Du, Congcong & Chen, Zhilin, 2025, Synopsis of the ant genus Myrmecina Curtis, 1829 from China (Hymenoptera, Formicidae, Myrmicinae), with description of eleven new species, Deutsche Entomologische Zeitschrift 72 (2), pp. 395-448 : 395-448

Myrmecina asthena Okido, Ogata & Hosoishi, 2020

Fig. 29

Myrmecina asthena Okido, Ogata & Hosoishsi, 2020: 21 , fig. 6 (w.) CHINA.

Material examined.

Unexamined. High-resolution images of the holotype from Okido et al. (2020) were reviewed.

Diagnostic features.

(1) Eyes extremely small, composed of 5–8 ommatidia; (2) head subrectangular, distinctly longer than broad ( CI 86–88), with dense puncta and sometimes faint longitudinal rugae; (3) mandible with a curved masticatory margin, apical tooth strong, third tooth robust, followed by 5 small teeth and a basal tooth; (4) propodeal spines triangular, usually extending beyond posterior propodeal margin; (5) petiole distinctly longer than height in profile and longer than broad in dorsal view; (6) postpetiole with 4 ventral hairs.

Distribution.

Yunnan; VIETNAM, MALAYSIA.

Figures

Figure 29. Line drawing of Myrmecina asthena (redrawn after the original SEM images of Okido et al. 2020). A. Head in full-face view; B. Body in dorsal view; C. Body in lateral view.