Horned Mason Bee vs Black Ichneumon Wasp

Side-by-side species comparison

Attribute Horned Mason Bee Black Ichneumon Wasp
Scientific Name Osmia cornuta Coelichneumon deliratorius
Order Hymenoptera Hymenoptera
Family Megachilidae Ichneumonidae
Size 12-15 mm 18-25 mm
Habitat Orchards Heathland
Diet Fruit Feeders Parasitoids
Regions Europe, North Africa, Western Asia Europe, Western Asia
Conservation Least Concern Least Concern

Horned Mason Bee

A robust spring-flying bee with distinctive horn-like projections on the female's face. It is widely used as a managed pollinator in European fruit orchards.

💡

Did You Know?

It is three times more efficient at pollinating almond flowers than the honeybee.

Black Ichneumon Wasp

A large, entirely black ichneumon wasp with a robust build. It is a solitary parasitoid of large moth pupae hidden in soil.

💡

Did You Know?

Its all-black coloration makes it one of the most imposing-looking ichneumon wasps in Europe.