FIGURE 2 in Review of Mesozoic Perissommatidae (Insecta: Diptera)

FIGURE 2. Male of Collessomma sibirica gen. et sp. nov. A–E. holotype PIN No. 5340/1681. A. Total view. B. Terminalia. C, D. Head, dorsal and ventral view. E. Anterior part of wing with pterostigma. F. PIN No. 5026/1558, head with facets of different size. Scale bars 1 mm (A), 200 μm (B–F).