Myrmecina sinensis Wheeler, 1921

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 sinensis Wheeler, 1921

Fig. 51

Myrmecina graminicola subsp. sinensis Wheeler, W. M. 1921: 539 (w.) CHINA. Raised to species: Zhou et al. 2008: 290.

Material examined.

Non-type. • 2 workers, Jiuwanshan , Guangxi, China, 25.0553°N, 108.7483°E, 622 m, secondary forest, leaf litter, 30. VII. 2022, Zhilin Chen, GXNU 222289 ; • 2 workers, Dayaoshan , Guangxi, China, 24.1356°N, 110.0861°E, 640 m, secondary forest, leaf litter, 26. VI. 2021, Xiaoyun Liang, GXNU 211658 ; • 3 workers, Daguishan , Guangxi, China, 24.0997°N, 111.8044°E, 127 m, secondary forest, leaf litter, 01. VIII. 2021, Defu Chen, GXNU 210145 .

Diagnostic features.

(1) Head with concave posterior margin, rounded occipital corners, and convex sides; (2) anterior margin of clypeus nearly straight, lacking median denticle; (3) mandibles subtriangular, with 2 distinct apical teeth followed by indistinct denticles; (4) antennae 12 - segmented, scapes reaching occipital corners; (5) mesosoma arched in profile with angular pronotal corners and slightly upturned; propodeal spines stout (broad-based, triangular); (6) petiole rectangular, dorsum bluntly angular; (7) postpetiole dorsum flat with angular anteroventral corner; (8) gaster smooth and shining; (9) mandibles and clypeus smooth and shining; frons and vertex with radiating longitudinal rugae; head sides with curved striae and dense puncta; (10) mesosomal dorsum with sinuous longitudinal rugae, sides rugose; (11) petiole and postpetiole weakly rugulose-punctate.

Distribution.

Guangxi, Yunan, Zhejiang, Liaoning.

Figures

Figure 51. Myrmecina sinensis. A. Head in full-face view; B. Mesosoma in lateral view; C. Body in dorsal view; D. Body in lateral view.