Japanese Giant Stonefly vs Franklin's Bumble Bee

Side-by-side species comparison

Attribute Japanese Giant Stonefly Franklin's Bumble Bee
Scientific Name Oyamia lugubris Bombus franklini
Order Plecoptera Hymenoptera
Family Perlidae Apidae
Size 25-35 mm 14-18 mm
Habitat Mountains Mountains
Diet Predators Nectar Feeders
Regions Japan Western United States
Conservation Least Concern Critically Endangered

Japanese Giant Stonefly

A large predatory stonefly found in mountainous streams of Japan. Nymphs have powerful mandibles for capturing prey in swift currents.

💡

Did You Know?

It is an indicator of pristine water quality in Japanese mountain streams.

Franklin's Bumble Bee

The world's most range-restricted bumble bee, found only in a small area between southern Oregon and northern California. It has not been reliably seen since 2006 and may be extinct.

💡

Did You Know?

Its entire known range spans only about 190 miles north to south, making it the most geographically restricted bumble bee on Earth.