Agonurn (Sericoda) quadripunctatum (De Geek) is a pyropliilous beetle tliat occurs only at sites where forest or peat has been burnt. Adults of this species are certainly attracted to various fires, probably by the smell of smoke from distant places, and stay on a conflagration sites for a short period only. The immature stages of A. (S.) quadripunctatum are described and figured for the first time.