Bibio pannosus Heyden & Heyden, 1865 (figs. 77, 196)

Bibio? pannosus Heyden & Heyden, 1865: 20 .

Localities: Rott

Material examined: Holotype, female, NHMUK In 58815 (fig. 77)

Additional material (female) STIPB A 568.

Description:

Female (N=2, figs 77, 196):

Total length 10.7 mm.

Head: Length 1.4 mm. Reddish-brown, oval. Not well preserved.

Thorax: Length 3.4 mm. Reddish-brown.

Legs: Fore femur 2.6 mm long, 1.0 mm wide, reddish, fore tibia 2.3 mm long, tarsi dark brown.

Wing: Length 9.7 mm, width 3.3 mm, length/width = 2.9, rather narrow, light brownish, veins dark brown, strongly pigmented. Venation preserved apically only. Pterostigma oval, blackish, distinctive. Costa extends to apex of R 4+5, which is rather straight. Basal Rs nearly three times as long as R-M. M-veins apically straight. dM-Cu joins M 2 some distance apical to furcation. CuA 1 strong, strongly pigmented, CuA 2 not preserved. Vein measurements are given in Table 5.

Abdomen: Length 6.4 mm. Reddish-brown, cylindrical, apically truncate, cerci rather large.

Male unknown.