FIG. 17 in A Revision of fossil Bibionidae (Insecta: Diptera) from the Oligocene of Germany

FIG. 17. Plecia collossea, female. Holotype of Plecia collossea Heyden & Heyden, 1865. NHMUK In 58789. Image reproduced with permission from NHMUK. FIG. 18. Plecia collossea, male. Illustrated specimen of Plecia sp. 1 Statz, 1943. LAC- MIP 2533.257. FIG. 19. Plecia collossea, male. Illustrated specimen of Plecia sp. 2 Statz, 1943. LACMIP 2533.258.