Short-winged Blister Beetle 
Short-winged firefly 
Siamese rhinoceros beetle 
Silpha tristis 
Silvanus unidentatus 
Silver-green Leaf Weevil 
Simianus pyrochroides 
Simo hirticornis 
Sinuate Peartree Borer 
Sipalinus gigas 
Sisyphus schaefferi 
Sitona discoideus 
Sitona griseus 
Sitona languidus 
Six-banded Longhorn Beetle 
Six-spotted Flower Longhorn Beetle 
Six-spotted Tiger Beetle 
Sixteen-spot Ladybird 
Slender Flower Longhorn Beetle 
Small Black Dung Beetle 
Small Black Longhorn Beetle 
Small Bloody-nosed Beetle 
Small Mulberry Borer 
Small Nettle Weevil