Overview
Heterocerids tunnel in mud at the edges of ponds and streams and apparently subsist on algae, diatoms and organic debris.
Description
Elongate, densely pubescent beetles, with maculate elytra, prognathous head, large labrum, thick antennae, flattened, spinose tibiae and simple tarsi. Larvae elongate, tapered posteriorly, and clothed with scattered, dark, erect setae; mandibles flattened with a sub-basal, concave mola; ventral mouth-parts consolidated; S10 forming conical pygopod.
Distribution
The Australian fauna consists of the rare and unusual
Elythomerus elongatulus
from Qld and several species currently placed in
Heterocerus
. [Charpentier 1968.]