Ubristes

Ubristes is a genus of hoverflies, with four known species.[1][2] 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.[3]

Ubristes
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Syrphidae
Subfamily:
Microdontinae
Genus:
Ubristes

Walker, 1852
Type species
Ubristes flavitibia
Walker, 1852

The presence or absence of the appendix on vein R4+5 is variable within this group. The type species of Carreramyia, Hypselosyrphus and Stipomorpha were formerly included in Ubristes; the latter two genera were also considered subgroups of Ubristes. All three are now considered separate genera by Reemer & Ståhls (2013).[2]

Biology

Larvae are found in ant nests.

Distribution

They are native to the Neotropics.[3]

Species
  • U. flavitibia Walker, 1852
  • U. ictericus Reemer, 2013[4]
  • U. jaguarinus Reemer, 2013[4]
  • U. rex Reemer, 2017[1]

References
  1. Reemer, Menno (2017). "Ubristes rex sp. n., a new microdontine hoverfly from northern Brazil (Diptera: Syrphidae: Microdontinae)". Zootaxa. 4362 (2): 280–286. doi:10.11646/zootaxa.4362.2.7. PMID 29245430.
  2. Reemer, Menno; Ståhls, Gunilla (2013). "Generic revision and species classification of the Microdontinae (Diptera, Syrphidae)". ZooKeys (288): 1–213. doi:10.3897/zookeys.288.4095. PMC 3690914. PMID 23798897.
  3. Cheng, Xin-Yue; Thompson, F. Christian (2008). "A generic conspectus of the Microdontinae (Diptera: Syrphidae) with the description of two new genera from Africa and China" (PDF Adobe Acrobat). Zootaxa. New Zealand: Magnolia Press. 1879: 21–48. doi:10.11646/zootaxa.1879.1.3. ISSN 1175-5334. Retrieved 2009-09-11.
  4. Reemer, Menno (2013). "Taxonomic exploration of Neotropical Microdontinae (Diptera: Syrphidae) mimicking stingless bees" (PDF). Zootaxa. 3697 (1): 1–88. doi:10.11646/zootaxa.3697.1.1. PMID 26079022.
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