Figs 17–20 in Revision of Trechus Clairville, 1806 of the Bale Mountains and adjacent volcanos, Ethiopia (Coleoptera, Carabidae, Trechini)

Figs 17–20. Trechus spp., head, pronotum. 17. T. rira sp. nov., holotype. 18. T. iridescens sp. nov., holotype. 19. T. oppositus sp. nov., paratype, ³. 20. T. bombi sp. nov., holotype.Published as part of Schmidt, Joachim & Faille, Arnaud, 2018, Revision of Trechus Clairville, 1806 of the Bale Mountains and adjacent volcanos, Ethiopia (Coleoptera, Carabidae, Trechini), pp. 1-82 in European Journal of Taxonomy 446 on page 18, DOI: 10.5852/ejt.2018.446, http://zenodo.org/record/382990