Spheginobaccha

Spheginobaccha
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Microdontinae
Genus:	Spheginobaccha de Meijere, 1908
Type species
Sphegina macropoda Bigot, 1883

Spheginobaccha is a genus of hoverflies, with 13 known species. The genus is readily separated from other microdons by the incomplete metathoracic bridge, round/oval basoflagellomere, occiput with a dorsolateral crease, and other characters.

Larvae feed as scavengers in the nests of ants.

They are native to Africa (five species) and Asia (eight species).

The macropoda group (Asia):

The rotundiceps group (South Africa):

The perialla group (Malawi):

The ruginosa group (Madagascar):

...
Wikipedia