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. It is the only genus in the tribe Spheginobacchini.
Biology Larvae are found in ant nests.
Distribution They are native to Africa (five species) and Asia (eight species).
Species The macropoda group (Asia): Spheginobaccha aethusa (Walker, 1849) Spheginobaccha chillcotti Thompson, 1974 Spheginobaccha demeijerei van Doesburg, 1968 Spheginobaccha duplex (Walker, 1857) Spheginobaccha humeralis (Sack, 1926) Spheginobaccha knutsoni Thompson, 1974 Spheginobaccha lieftincki Doesburg, 1968 Spheginobaccha macropoda (Bigot, 1883) Spheginobaccha melancholia Hull, 1937 Spheginobaccha vandoesburgi Thompson, 1974
The rotundiceps group (South Africa): Spheginobaccha dexioides Hull, 1944 Spheginobaccha dubia Thompson, 1974 Spheginobaccha pamela Thompson & Hauser, 2015 Spheginobaccha rotundiceps (Loew, 1857) Spheginobaccha stuckenbergi Thompson & Hauser, 2015
The perialla group (Malawi): Spheginobaccha perialla Thompson, 1974
The ruginosa group (Madagascar): Spheginobaccha ruginosa Dirickx, 1995
References