It is the castellanization of the term Necydalis, which is a genus of Coleoptera (insects). It means that it lives in dead logs or in dry wood (dead). It is a group of insects of the class of beetles belonging to the family Cerambycidae.
Necidalo : Genus of insects coleoptera of the family of cerambíds, short-headed and finely striated, flat and hind legs longer than those of the first two mats.