Anochetus gracilis Karavaiev, 1925

Chen, Zhilin, Yang, Zhigang & Zhou, Shanyi, 2019, Review of the ant genus Anochetus Mayr, 1861 (Hymenoptera, Formicidae) from China, with revival of the valid status of Anochetus gracilis, Journal of Hymenoptera Research 68, pp. 49-74 : 49

Anochetus gracilis Karavaiev, 1925 stat. n.

Fig. 11

Anochetus gracilis Karavaiev, 1925: 286. Junior synonym of Anochetus risii : Brown, 1978: 558.

Material examined.

Two syntype worker images examined, AntWeb, CASENT0916847 & CASENT0915166, photos by Will Ericson.

Recognition and discussion.

After observation of the syntype worker images of A. risii (Fig. 8 ) and A. gracilis (Fig. 11 ) from AntWeb, we find that there are clear differences between them: 1) inner margin of mandibles has no denticles in the worker of A. gracilis , but possesses several distinct denticles in the worker of A. risii ; 2) the maximum diameter of eye is much larger than the maximum width of mandible in the worker of A. gracilis , but smaller than or just equal to maximum width of mandible in the worker of A. risii ; 3) pronotal sides distinctly striate in the worker of A. gracilis , but smooth and shining in the worker of A. risii . Therefore, the status of A. gracilis is restored from the synonymy of A. risii here.

Distribution.

Known from Indonesia (Java).

Figures

Figure 8. Anochetus risii worker (Syntype, AntWeb, CASENT 0907411, photos by Will Ericson). A head in full-face view B labels C body in dorsal view D body in lateral view.

Figure 11. Anochetus gracilis worker (Syntype, AntWeb, CASENT 0916847, photos by Will Kate Martynova). A head in full-face view B labels C body in dorsal view D body in lateral view.