Vertex. Scale = 50 µm.  
  Part of: Nielsen S, Kristensen M, Pape T (2015) Three new Scandinavian species of Culicoides (Culicoides): C.boyi sp. nov., C.selandicus sp. nov. and C.kalix sp. nov. (Diptera: Ceratopogonidae). Biodiversity Data Journal 3: e5823. https://doi.org/10.3897/BDJ.3.e5823