Bibiodes
Coquillett, 1904
March flies
Bibiodes is a of ( ) established by Coquillett in 1904. The genus contains eight described , including two extinct species known from Baltic amber (B. balticus and B. nanus) and one from Florissant shale (B. intermedia). Most extant species are found in the Northern Hemisphere, with records from North America, Europe, and China.
Pronunciation
How to pronounce Bibiodes: //baɪˈbaɪoʊdiːz//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
of Bibiodes can be distinguished from other by examination of , leg coloration, and body proportions. B. halteralis, the species, has distinctive reduced . B. femoratus and B. aestivus show pronounced femoral enlargement in males. The extinct species B. balticus and B. nanus are known only from compression fossils and are distinguished by size differences and details preserved in amber.
Distribution
Extant occur in North America (B. halteralis, B. aestivus, B. femoratus), southern France (B. provincialis), and China (B. sinensis). Fossil species are known from Eocene Baltic amber (B. balticus, B. nanus) and Oligocene Florissant Formation, Colorado (B. intermedia).
Similar Taxa
More Details
Fossil record
Bibiodes has a significant fossil record with three described extinct , making it one of the better-documented in the paleontological record. The Baltic amber species (B. balticus, B. nanus) date to approximately 48-34 million years ago, while B. intermedia from Florissant is approximately 34 million years old.
Taxonomic history
The was established by Daniel William Coquillett in 1904 with B. halteralis as . Species have been added sporadically, with the most recent description being B. provincialis in 2017 from French Eocene amber.