S. caecilia species-group:

the aedeagus and saccus are elongated to very elongated; sphragis mostly absent.

Stephenia asboloplintha (Karsch, 1894), Stephenia atatis (Pierre, 2004), Stephenia atergatis (Westwood, 1881), Stephenia axina (Westwood, 1881), Stephenia braesia (Godman, 1885), Stephenia buettneri (Rogenhofer, 1890), Stephenia caecilia (Fabricius, 1781), Stephenia caldarena (Hewitson, 1877), Stephenia doubledayi (Guérin-Méneville, 1849), Stephenia ella (Eltringham, 1911), Stephenia equatorialis (Neave, 1904), Stephenia intermediodes (Ackery, 1995), Stephenia leucopyga (Aurivillius, 1904), Stephenia lyci (Pierre, 2006), Stephenia lygus (Druce, 1875), Stephenia natalica (Boisduval, 1847), Stephenia oncaea (Hopffer, 1855), Stephenia pseudegina (Westwood, [1852]), Stephenia pudora (Aurivillius, 1910), Stephenia pudorella (Aurivillius, [1899]), Stephenia regalis (Oberthür, 1893), Stephenia rhodesiana (Wichgraf, 1909), Stephenia stenobea (Wallengren, 1860), Stephenia sykesi (Sharpe, 1902), Stephenia zoumi (Pierre, 1995).