Bibio firmus Heer, 1849

(Figs. 11, 31)

Bibio firmus Heer, 1849: 226 .

Type material: Holotype (female) SLJG 77471.

Description:

Male unknown.

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 type specimen.

Wing (Fig. 31): Length 7.6 mm, width 2.4 mm, length/width = 3.1. Crossvein R-M nearly equal to basal R s in length.

Legs: Hind legs quite slender, otherwise no details possible to see in type specimen.

Abdomen: Length 6.3 mm, width 3.5 mm. No details possible to see in type specimen.