Stilbum Spinola, 1806
Hosts are mud-nesting wasps of the genus Delta (Eumeninae) and Sceliphron (Sphecidae), and bees of the genus Chalicodoma (Megachilidae) (Kimsey and Bohart 1991).
Barthélémy C & Guénard B. 2025. An annotated and illustrated checklist of Hong Kong aculeate wasps (Hymenoptera: Apoid wasps; Pompilioidea; Scolioidea; Thynnoidea; Tiphioidea; Vespoidea; Chrysidoidea). Insecta Mundi 1115: 1–230.