Bibio firmus Heer, 1849: 226 Revision of fossil Bibionidae (Insecta: Diptera) from the Miocene of Radoboj, Croatia Skartveit, John Krizmanić, Katarina Zootaxa 2020 2020-04-03 4759 3 351 378 8B739 Heer, 1849 Heer 1849 [151,444,153,180] Insecta Bibionidae Bibio Animalia Diptera 13 364 Arthropoda species firmus  ( Figs. 11, 31)      Bibio firmus Heer, 1849: 226.   Type material:  Holotype(female) SLJG 77471.   Description:  Maleunknown.  Female: Total length 10.6 mm. The specimen is entirely grayish brown, details difficult to make out as it is a very vague impression. Head: Length 1.4 mm. Antenna quite thin, flagellum possibly 7-segmented. Thorax: Length 3.0 mm, width 2.5 mm. No details possible to see in typespecimen. Wing ( Fig. 31): Length 7.6 mm, width 2.4 mm, length/width = 3.1. Crossvein R-M nearly equal to basal R sin length. Legs: Hind legs quite slender, otherwise no details possible to see in typespecimen. Abdomen: Length 6.3 mm, width 3.5 mm. No details possible to see in typespecimen. 2595809706 [334,696,328,355] SLJG 13 364 SLJG 77471 1 holotype