FIGURES 1–4 in Revision of Nearctic species of Acerocnema Becker (Diptera: Scathophagidae)

FIGURES 1–4. Male terminalia of Acerocnema. 1. A. fasciventris (Malloch), posterior view; 2. same, lateral view; 3. A. merga sp. nov., posterior view; 4. same, lateral view. Abbreviations: an—anus; cerc—cercus; d sec cerc—dorsal section cercus; epand—epandrium; hypd—hypandrium; pgt—postgonite; sur—surstylus; v sec cerc—ventral section cercus.Published as part of Chagnon, Marie-Eve & Sinclair, Bradley J., 2021, Revision of Nearctic species of Acerocnema Becker (Diptera: Scathophagidae), pp. 523-539 in Zootaxa 4952 (3) on page 526, DOI: 10.11646/zootaxa.4952.3.5, http://zenodo.org/record/469061