Elytra and pronotum have a beautiful metallic emerald iridescence that shows no to very weak reflectance in the near-infrared.

Stages 1 to 4 remain in the soil for 3–4 months where they feed upon the roots of the adult host plants.

Adult beetles have a short lifespan of 1–3 weeks, though the complete life cycle takes up to two years.

[6] S. aequisignata and the similar S. ruficornis are both consumed by humans as a source of food in northern Thailand, Laos, and China.

[6] The bright metallic green elytra of S. aequisignata are collected and used as a material in jewellery making.