Sparrow.
Sparrow-hawk.
Sphaerophoria.
Sphex (see also Languedocian Sphex, White-banded Sphex, Yellow-winged Sphex.)
Spider (see also Black-bellied Tarantula, Cellar Spider, Epeira.
Spotted Sapyga.
Spurge Hawk-moth.
Stizus (see also the varieties below).
Stizus ruficornis.
Stizus tridentatus.