ammonites
Sciara dormitans Melander 1949 (dark-winged fungus gnat)

Insecta - Diptera - Sciaridae

Full reference: A. L. Melander. 1949. A Report on Some Miocene Diptera from Florissant, Colorado. American Museum Novitates 1407:1-61

Belongs to Sciara according to A. L. Melander 1949

Sister taxa: Sciara acuminata, Sciara atropha, Sciara brevipetiola, Sciara burmitina, Sciara defectuosa, Sciara deperdita, Sciara difficilis, Sciara electriphila, Sciara flichei, Sciara florissantensis, Sciara gurnetensis, Sciara ignorata, Sciara inflata, Sciara lacoei, Sciara martii, Sciara minuscula, Sciara oblonga, Sciara protoberidis, Sciara protogaea, Sciara rara, Sciara requieta, Sciara saportana, Sciara schremmeri, Sciara scopuli, Sciara sepulta, Sciara sopora, Sciara splendida, Sciara villosoides

Type specimen: AMNH 26464:1, an exoskeleton. Its type locality is Florissant, Station 13, which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Ecology:

Average measurements (in mm): body length 4.20, wing length 2.70