| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Siccia processa processa | Volynkin, 2023 | subspecies | Accepted | ||
| Siccia punctigera | (Felder, 1874) | species | Synonym | ||
| Siccia punctipennis | (Wallengren, 1860) | species | Accepted | ||
| Siccia pustulata | (Wallengren, 1860) | species | Accepted | ||
| Siccia quilimania | Strand, 1922 | species | Accepted | ||
| Siccia rarita | Kühne, 2007 | species | Accepted | ||
| Siccia robusta | Volynkin, 2023 | species | Accepted | ||
| Siccia salonga | Volynkin, Saldaitis & Müller, 2025 | species | Accepted | ||
| Siccia semliki | Volynkin, 2023 | species | Accepted | ||
| Siccia setis | Volynkin, 2023 | species | Accepted | ||
| Siccia smithi | Volynkin, 2023 | species | Accepted | ||
| Siccia sordida | (Butler, 1877) | species | Accepted | ||
| Siccia spinulosia | Volynkin, 2023 | species | Accepted | ||
| Siccia stictica | Hampson, 1914 | species | Accepted | ||
| Siccia subcinerea | (Moore, 1878) | species | Synonym | ||
| Siccia synthetia | Volynkin, 2023 | species | Accepted | ||
| Siccia taita | Volynkin, 2025 | species | Accepted | ||
| Siccia takanoi | Volynkin, 2023 | species | Accepted | ||
| Siccia tanzaniae | Volynkin, 2023 | species | Accepted | ||
| Siccia teitaensis | Strand, 1922 | species | Misapplied | ||
| Siccia terlineata | (Durante, 2009) | species | Synonym | ||
| Siccia trichota | Volynkin, 2023 | species | Accepted | ||
| Siccia tridens | Volynkin, 2023 | species | Accepted | ||
| Siccia tsitsikamma | Volynkin, 2023 | species | Accepted | ||
| Siccia ursulae | Kühne, 2007 | species | Accepted |