Banded Ichneumon vs Western Bumble Bee

Side-by-side species comparison

Attribute Banded Ichneumon Western Bumble Bee
Scientific Name Ichneumon xanthorius Bombus occidentalis
Order Hymenoptera Hymenoptera
Family Ichneumonidae Apidae
Size 14-18 mm 10-22 mm
Habitat Gardens Mountains
Diet Parasitoids Nectar Feeders
Regions Europe Western North America
Conservation Least Concern Vulnerable

Banded Ichneumon

A boldly patterned black-and-yellow parasitoid wasp commonly found in European gardens. It parasitizes large moth caterpillars that pupate in soil.

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Did You Know?

Despite its wasp-like warning colors, it rarely stings and is harmless to humans.

Western Bumble Bee

A once-common bumble bee of western North America that has experienced dramatic population declines since the late 1990s. They nest underground in abandoned rodent burrows.

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Did You Know?

Their catastrophic decline is linked to a pathogen accidentally spread through commercial bumble bee rearing facilities.