Other species, for example beetles of the families Latridiidae and Mycetophagidae, are mostly obligatory mould feeders and cannot survive on clean dry grain.
Kleemannia plumigera and Kleemannia plumosus are fungus –feeders and occur in mouldy produce and residues in temperate climates.
The presence of large number of fungus-feeding insects in a store may indicate that a quantity of mouldy produce in present and requires attention. Moisture is usually a major problem in most produce stores and on domestic premises, so moulds are a constant problem.
Grain stored pests: fungal feeders