Red Mason Bee vs Horse Chestnut Leafminer Parasitoid

Side-by-side species comparison

Attribute Red Mason Bee Horse Chestnut Leafminer Parasitoid
Scientific Name Osmia bicornis Pnigalio agraules
Order Hymenoptera Hymenoptera
Family Megachilidae Eulophidae
Size 8-13 mm 1-2 mm
Habitat Orchards Underground
Diet Fruit Feeders Parasitoids
Regions Western Europe, Central Europe, Northern Europe Europe, Asia
Conservation Least Concern Least Concern

Red Mason Bee

A compact, ginger-haired solitary bee that nests in hollow stems and bee hotels. It is an exceptionally efficient pollinator of fruit trees in spring.

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Did You Know?

A single red mason bee can do the pollination work of 120 honeybees on apple trees.

Horse Chestnut Leafminer Parasitoid

A small metallic-green ectoparasitoid wasp that attacks leafminer larvae inside leaf mines. It has a broad host range across many leafminer species.

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Did You Know?

It is one of the few natural enemies that attacks the invasive horse chestnut leafminer in Europe.