Trigonometopus
Macquart, 1835
Species Guides
1Trigonometopus is a of true flies in the Lauxaniidae, established by Macquart in 1835. The genus contains at least 25 described . Lauxaniidae flies are generally small to medium-sized and often associated with decomposing plant material.
Pronunciation
How to pronounce Trigonometopus: /ˌtrɪɡəˌnɒmɪˈtoʊpəs/
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Identification
As a within Lauxaniidae, Trigonometopus share -level characteristics including a rounded , large , and often patterned wings. Species-level identification requires examination of male genitalia and other fine morphological details.
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Distribution
Recorded from Denmark (DK), Norway (NO), and Sweden (SE) based on distribution records. The likely has a broader Palearctic distribution given the number of described .
Similar Taxa
- LauxaniaBoth are in Lauxaniidae; separation requires examination of wing venation and male terminalia.
- MinettiaAnother common lauxaniid ; Trigonometopus differs in details of the structure and wing patterning.
More Details
Taxonomic history
The was established by Pierre-Justin-Marie Macquart in 1835. The etymology of the name likely refers to the triangular shape (from Greek trigonon 'triangle' and metopon 'forehead, ') characteristic of some .
Species diversity
With 25 described , Trigonometopus represents a moderately diverse within Lauxaniidae. Species-level remains active, with identifications often requiring examination.