Small Dusty Wave vs Grain Moth Parasitoid

Side-by-side species comparison

Attribute Small Dusty Wave Grain Moth Parasitoid
Scientific Name Idaea seriata Pteromalus cerealellae
Order Lepidoptera Hymenoptera
Family Geometridae Pteromalidae
Size 16-20 mm wingspan 1.5-3 mm
Habitat Indoors Indoors
Diet Detritivores Parasitoids
Regions Europe Worldwide
Conservation Least Concern Least Concern

Small Dusty Wave

A tiny pale moth with subtle wavy cross-lines. Commonly found inside buildings where larvae feed on dried organic matter. One of the few moths adapted to indoor living.

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Did You Know?

One of the few moth species that has adapted to complete its life cycle entirely inside buildings.

Grain Moth Parasitoid

A small metallic parasitoid wasp that attacks stored-product moth larvae and pupae. It is found in grain stores and warehouses globally.

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Did You Know?

This wasp can detect host larvae hidden inside grain kernels using chemical and vibrational cues.