Trichonta
Winnertz, 1863
Trichonta is a of fungus gnats in the Mycetophilidae, established by Winnertz in 1863. The genus contains both extant and extinct , with fossil records dating to the Eocene. It has an almost distribution, with documented occurrences in Europe, North America, and Asia. Species-level includes both modern species and amber-preserved specimens from Baltic and North American deposits.
Pronunciation
How to pronounce Trichonta: /trɪˈkɒntə/
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Identification
As a of Mycetophilidae, Trichonta likely exhibit the 's characteristic features: small to medium-sized flies with long, slender legs, elongated , and typically patterned wings. Definitive generic identification requires examination of genitalic structures and other microscopic features not discernible from the provided sources.
Distribution
Almost . Documented occurrences include Denmark, Norway, Sweden, Vermont (USA), and additional US records. Fossil are known from Baltic Amber (Priabonian, Eocene) and Quesnel (Eocene?, British Columbia, Canada).
More Details
Fossil Record
The includes three extinct preserved in amber: Trichonta brachycamptoides and T. crassipes from Baltic Amber (Priabonian, ~38–34 million years ago), and T. dawsoni from the Quesnel deposits (Eocene?, British Columbia).
Taxonomic Note
The name Trichonta has been used since 1863. Two share the specific epithet 'aberrans': T. aberrans Lundstrom, 1911 and T. aberransida Hong, Wang & Xu, 2008, the latter distinguished by the suffix '-ida'.