File:Xu & Zhou 2015 F27-30.jpg

Summary
Figures 27-30. Head, full-face view, of (27)  Echninopla melanarctos worker, (28) E. pallipes holotype worker, (29) E. tritschleri holotype worker, (30) E. cherapunjiensis holotype worker. Images from AntWeb (2014).

[[Media:Zhenghui_Xueying_2015.pdf|Xu, Z.-H. & Zhou, X. 2015. Species grouping and key to known species of the ant genus Echinopla Smith (Hymenoptera: Formicidae) with reports of Chinese species. Asian Myrmecology. 7:19-36.]]