Spheginobaccha

Spheginobaccha is a genus of hoverflies, with 15 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.

Biology
Larvae are found in ant nests.

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

Species
The macropoda group (Asia):
 * S. aethusa (Walker, 1849)
 * S. chillcotti Thompson, 1974
 * S. demeijerei van Doesburg, 1968
 * S. duplex (Walker, 1857)
 * S. humeralis (Sack, 1926)
 * S. knutsoni Thompson, 1974
 * S. lieftincki Doesburg, 1968
 * S. macropoda (Bigot, 1883)
 * S. melancholia Hull, 1937
 * S. vandoesburgi Thompson, 1974

The rotundiceps group (South Africa):
 * S. dexioides Hull, 1944
 * S. dubia Thompson, 1974
 * S. pamela Thompson & Hauser, 2015
 * S. rotundiceps (Loew, 1857)
 * S. stuckenbergi Thompson & Hauser, 2015

The perialla group (Malawi):
 * S. perialla Thompson, 1974

The ruginosa group (Madagascar):
 * S. ruginosa Dirickx, 1995