''Mesotrichoca'' is a genus of midges in the family

Cecidomyiidae Cecidomyiidae is a family of diptera, flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are very fragile small in ...

. The one described species in the genus - '' Mesotrichoca mesozoica'' - is known only from Siberia from a sediment fossil associated with the

Late Jurassic The Late Jurassic is the third Epoch (geology), epoch of the Jurassic Period, and it spans the geologic time scale, geologic time from 161.5 ± 1.0 to 143.1 ± 0.8 million years ago (Ma), which is preserved in Upper Jurassic stratum, strata.Owen ...

and

Lower Cretaceous Lower may refer to: * ''Lower'' (album), 2025 album by Benjamin Booker * Lower (surname) * Lower Township, New Jersey *Lower Receiver (firearms) * Lower Wick Gloucestershire, England See also * Nizhny {{Disambiguation ...

epochs. This species was placed in '' Catotricha'' when it was first described by Russian entomologist Vladimir Grigoryevich Kovalev. This genus was established by Mathias Jaschhof and Catrin Jaschhof in 2008.

References

Cecidomyiidae genera Insects described in 2008 Taxa named by Mathias Jaschhof Taxa named by Catrin Jaschhof Monotypic Diptera genera Prehistoric Diptera genera Monotypic prehistoric insect genera {{Sciaroidea-stub