Ubristes ictericus

Ubristes rex sp. n., a hoverfly of the subfamily Microdontinae (Diptera: Syrphidae) is described from northern Brazil (Roraima). A diagnosis and a key are provided for distinguishing this species from the other three known species of Ubristes, which are all Neotropical. Information on distribution and habitat of all known Ubristes species is summarized. A brief comment is made on the decision to describe this species based on a single female specimen

Ubristes ictericus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Flies
Suborder:	Aschiza
Family:	Syrphidae
Subfamily:	Microdontinae
Genus:	Ubristes
Species:	U. ictericus
Binomial name
Ubristes ictericus Reemer, 2013

Diagnosis

Within Ubristes s.s. this is the only known species with an entirely yellow abdomen.

Distribution

Neotropical: Brazil, Ecuador

REFERENCES

• 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