Revision of fossil Bibionidae (Insecta: Diptera) from the Miocene of Radoboj, Croatia
Author
Skartveit, John
Author
Krizmanić, Katarina
text
Zootaxa
2020
2020-04-03
4759
3
351
378
journal article
10.11646/zootaxa.4759.3.3
9675f3d4-930d-4e4c-97e1-bcc7e6c5120d
1175-5326
3741178
FBD53C14-07AA-4E01-9739-214680A1DE4C
Plecia lugubris
Heer, 1849
(
Figs. 6
,
26
)
Plecia lugubris
Heer, 1849: 209
.
Penthetria lugubris
(Heer)
Handlirsch, 1907: 960
.
Material:
Possible
type
(female,
NHMW
) in Wien, fits one of the illustrations in Heer except it is reversed, maybe the counterpart of the specimen described by Heer.
Additional material:
four females (
CNHM
1824, 1825, 1828, 1831)
Female
: Total length
7.9–10.3 mm
(N=4).
Head: Length
0.84 mm
(N=1), width 0.86–1.00 mm (N=2).
Thorax: Length
2.4–3.1 mm
(N=3), width
1.9–2.4 mm
(N=2). Brown, poorly preserved. Halter brown.
Wing: Length
8.4–9.7 mm
(N=4), width
3.1–3.6 mm
(N=3). Brownish fumose (colour preservation questionable), rather narrow. Veins fine and distinctive, pterostigma not apparent. Subcosta distinctive, long and straight.
R
2+3
straight and oblique. Costa extends to apex of
R
4+5
. CuA and its continuation CuA
2
very strong and prominent, CuA
2
apically curved. CuP straight, basally strong and prominent. Vein measurements: basal
R
2.1–2.7 mm
(N=3), distal
R
1
2.7–3.5 mm
(N=2), basal
R
s
1.5
–2.2 mm (N=3), distal
R
s
1.9
–2.0 mm (N=2),
R
2+3
0.8–1.3 mm
(N=2),
R
4+5
2.9–3.1 mm
(N=2), R-M
0.41–0.44 mm
(N=3), basal M
2.9–4.2 mm
(N=3), distal M
0.5–0.7 mm
(N=3), M
1
3.2–4.2 mm
(N=2), M
2
2.5–3.2 mm
(N=2), CuA
1.9–2.3 mm
(N=2),CuA
1
3.5–3.7 mm
(N=2), CuA
2
2.6–2.7 mm
(N=2).
Legs: Brown, slender.
Abdomen: Length
5.4–7.1 mm
(N=3), width
1.9–2.3 mm
(N=2). Brown, cylindrical, relatively slender.