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By oilshale
Fungus gnat
Kingdom: Animalia
Eon: Phanerozoic
Era: Cenozoic
Period: Neogene
Sub Period: None
Epoch: Pliocene
International Age: Piacenzian
Willershausen Formation
Collector: T. Bastelberger
Date Collected: 06/10/1968
Acquired by: Field Collection
Length: 8 mm
Clay pit Willershausen
Willershausen a. Harz
Lower Saxony
Germany
Sciara willershausensis together with the much smaller and much more common Sciara strausi.
Taxonomy according to Kohring & Schlüter 1993.
Morphology according to Kohring and Schlüter, 1993, p. 193 (translated from German by oilshale):
“The body length is about 7.2 mm. The wing length is between 4.8 and 5.2 mm. The head is very small. The antennae are only incompletely preserved, in total the antennae are on average 1.5 mm long. Individual antennae are indistinctly recognizable in outline. The thorax is 2,1 mm long and oval shaped. The abdomen is 4.5 mm long and evenly pointed. The wing is round curved. Sc and R1 stands out clearly due to dark coloration. Pedicel of m-fork only slightly longer than branches M1 and M2. Cu with very short pedicel, branches distinctly longer..."
Line drawing of the forewing from Kohring & Schlüter 1993, p. 192:
Identified by oilshale using Kohring & Schlüter 1993.
Reference.:
Kohring, R & Schlüter, T. (1993): Sciariden (Insecta: Diptera: Nematocera) aus dem Oberpliozän von Willershausen. Berliner geowissenschaftliche Abhandlungen (E), 9, p. 191-199; Berlin
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