Syscia humicola (Ogata, 1983)

Du, Congcong, Xu, Zhenghui & Chen, Zhilin, 2024, Taxonomic account of the ant genus Syscia Roger, 1816 (Hymenoptera, Formicidae) from Asia, with descriptions of two new species from China, European Journal of Taxonomy 930, pp. 157-181 : 165

Syscia humicola (Ogata, 1983)

Fig. 4

Cerapachys humicola Ogata, 1983: 132 , figs 1–13 (w. ergatoid q. m.). Japan.

Syscia humicola – Borowiec 2016: 224.

Diagnosis

Workers have 11-segmented antennae. Head in full-face view subrectangular, longer than broad, with posterior margin slightly convex and posterolateral corners angular. Mesosoma in dorsal view subrectangular, with almost parallel lateral sides; in lateral view, dorsal outline slightly convex. Petiole in dorsal view nearly subquadrate, as broad as long, with lateral sides convex; in lateral view (excluding sternite) trapezoidal, with slightly convex dorsal outline, bilateral edge sloped slightly; subpetiolar process in lateral view subtriangular, with posterior outline slightly concave. Postpetiole in lateral view as broad as long, sternite anteroventrally produced as nearly orthogonal directed downward and forward.

Type material

Paratype (worker) JAPAN • 1 worker; Mt. Shiratake, Tsushima Nagasaki Pref. ; 14 Jul. 1981; K.Ogata leg.; Colony No.CE-0003; currently stored at the IZCAS .

Figures

Fig. 4. Syscia humicola (Ogata, 1983), paratype, worker (IZCAS). A. Head in full-face view. B. Body in dorsal view. C. Body in lateral view (imaged by Zhilin Chen).