''Ubristes'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
hoverflies
Hoverflies, also called flower flies or syrphids, make up the insect family (biology), family Syrphidae. As their common name suggests, they are often seen Hover (behaviour), hovering or nectaring at flowers; the adults of many species feed main ...
, with four known species.
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 bee
Stingless bees (SB), sometimes called stingless honey bees or simply meliponines, are a large group of bees (from about 462 to 552 described species), comprising the Tribe (biology), tribe Meliponini (or subtribe Meliponina according to other aut ...
s in the tribe Meliponini.
The presence or absence of the appendix on vein R4+5 is variable within this group.
The type species of ''
Carreramyia
''Carreramyia'' is a genus of hoverflies, with five known species currently.
Biology
Larvae are found in ant nests.
Distribution
Distribution is Neotropical
The Neotropical realm is one of the eight biogeographic realms constituting Earth' ...
'', ''
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).
[
]
Biology
Larva
A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase ...
e are found in ant
Ants are Eusociality, eusocial insects of the Family (biology), family Formicidae and, along with the related wasps and bees, belong to the Taxonomy (biology), order Hymenoptera. Ants evolved from Vespoidea, vespoid wasp ancestors in the Cre ...
nests.
Distribution
They are native to the Neotropics
The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone.
Definition
In biogeog ...
.
Species
*'' U. flavitibia'' Walker
Walker or The Walker may refer to:
People
*Walker (given name)
*Walker (surname)
*Walker (Brazilian footballer) (born 1982), Brazilian footballer
Places
In the United States
*Walker, Arizona, in Yavapai County
*Walker, Mono County, California
* ...
, 1852
*'' U. ictericus'' Reemer, 2013[
*'' U. rex'' Reemer, 2017][
]
References
{{taxonbar, from1=Q2746867
Hoverfly genera
Diptera of South America
Microdontinae
Taxa named by Francis Walker (entomologist)