Ubristes

There are four myrmecophilous species in this genus. All are characterized by their metatibiae, which are usually enlarged, but always with a brush of long pile along the dorsal edges. These flies are probably mimics of the stingless bees in the tribe Meliponini.

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List of Ubristes and their Host Ants

Genus and species	Author and Year	Ant Host	Distribution
Ubristes flavitibia	Walker, 1852	ants	Neotropics:Brazil
Ubristes ictericus	Reemer, 2013	ants	Neotropics: Brazil, Ecuador
Ubristes jaguarinus	Reemer, 2013	ants	Neotropics: Costa Rica
Ubristes rex	Reemer, 2017	ants	Brazil

REFERENCES

• Reemer, Menno (2008). "Surimyia, a new genus of Microdontinae, with notes on Paragodon Thompson, 1969 (Diptera, Syrphidae)". Zool. Med. Leiden. Naturalis. 82: 177–188.

• Reemer, Menno, 2013, Taxonomic exploration of Neotropical Microdontinae (Diptera: Syrphidae) mimicking stingless bees, pp. 1-88 in Zootaxa 3697 (1) on pages 49-51

• Reemer, Menno (2017). "Ubristes rex sp. n., a new microdontine hoverfly from northern Brazil (Diptera: Syrphidae: Microdontinae)". Zootaxa. 4362 (2): 280–286

• Reemer, M. & G. Stahls 2013. Phylogenetic relationships of Microdontinae (Diptera: Syrphidae) based on molecular and morphological characters. Systematic Entomology 38 (4): 661-688.

• Reemer, M, Stahs, G. 2013. Generic revision and species classification of the Microdontinae (Diptera, Syrphidae). ZooKeys 288:1-213.

• Walker, F. (1852) Diptera. Insecta Saundersiana, 1(3), 157–252.