Grain Moth Parasitoid vs Blue Orchard Bee

Side-by-side species comparison

Attribute Grain Moth Parasitoid Blue Orchard Bee
Scientific Name Pteromalus cerealellae Osmia lignaria
Order Hymenoptera Hymenoptera
Family Pteromalidae Megachilidae
Size 1.5-3 mm 10-14 mm
Habitat Indoors Orchards
Diet Parasitoids Nectar Feeders
Regions Worldwide North America
Conservation Least Concern Least Concern

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.

💡

Did You Know?

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

Blue Orchard Bee

A metallic dark blue solitary bee that nests in pre-existing holes in wood. It is an exceptionally efficient pollinator of fruit trees, significantly outperforming honey bees per individual.

💡

Did You Know?

A single blue orchard bee can pollinate as effectively as 60 to 80 honey bees, making them increasingly important for commercial fruit production.