Culicoides in Burmese

Szadziewski, Ryszard, Dominiak, Patrycja, Sontag, Elżbieta, Krzemiński, Wiesław, Wang, Bo & Szwedo, Jacek, 2019, Haematophagous biting midges of the extant genus Culicoides Latreille (Diptera: Ceratopogonidae) evolved during the mid-Cretaceous, Zootaxa 4688 (4), pp. 535-548 : 537

Key to females of Culicoides in Burmese amber

1. Palpal segment 3 slender ( Figs 3B , 6D )................................................................... 2

- Palpal segment 3 swollen ( Figs 4B , 5B )................................................................... 3

2. Flagellomeres 2–4 cylindrical ( Fig. 3C ). Entire wing membrane with macrotrichia. Proboscis 2.1 x longer than eye height................................................................ C. bojarskii Szadziewski & Dominiak, sp. nov.

- Flagellomeres 2–4 spherical ( Fig. 6C ). Wing membrane with macrotrichia on distal 1/3. Proboscis 1.25 x longer than eye height...................................................... C. myanmaricus Szadziewski & Dominiak, sp. nov.

3. Palpal segment 3 with distinct sensory pit ( Fig. 4B ). Flagellomeres 2–8 long, cylindrical ( Fig. 4B ). Entire wing membrane except basal radial cell with macrotrichia............................ C. burmiticus Szadziewski & Dominiak, sp. nov.

- Palpal segment 3 without sensory pit ( Fig. 5B ). Flagellomeres 2–8 short, spherical to subcylindrical ( Fig. 5C ). Wing membrane with macrotrichia on distal portion................................. C. ellenbergeri Szadziewski & Dominiak, sp. nov.

Figures

FIGURE 3. Fossil Culicoides (Groganomyia) bojarskii Szadziewski & Dominiak, sp. nov., female holotype. A—total habitus, B—head, C—flagellum.

FIGURE 4. Fossil Culicoides (Groganomyia) burmiticus Szadziewski & Dominiak, sp. nov., female holotype. A—total habitus, B—palpus and flagellum.

FIGURE 5. Fossil Culicoides (Groganomyia) ellenbergeri Szadziewski & Dominiak, sp. nov., female holotype. A—total habitus, B—palpus, C—flagellum.

FIGURE 6. Fossil Culicoides (Groganomyia) myanmaricus Szadziewski & Dominiak, sp. nov., female holotype. A—total habitus, B—head, C—flagellum, D—palpus.