Wood-carving Leafcutter Bee vs Rusty Patched Bumble Bee

Side-by-side species comparison

Attribute Wood-carving Leafcutter Bee Rusty Patched Bumble Bee
Scientific Name Megachile ligniseca Bombus affinis
Order Hymenoptera Hymenoptera
Family Megachilidae Apidae
Size 13-16 mm 13-20 mm
Habitat Woodlands Underground
Diet Nectar Feeders Nectar Feeders
Regions Europe, Western Asia Upper Midwest and northeastern United States, now extremely restricted
Conservation Near Threatened Critically Endangered

Wood-carving Leafcutter Bee

A large, dark leafcutter bee that nests in rotten wood and dead tree stumps across Europe. Females cut large leaf pieces from roses, birch, and willows.

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Did You Know?

Unlike most leafcutter bees that use pre-existing holes, it chews its own nest cavities directly into soft rotten wood.

Rusty Patched Bumble Bee

A once-common bumble bee named for the rust-colored patch on the second abdominal segment of workers. It was the first bumble bee in the continental United States listed as endangered.

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Did You Know?

Its range has shrunk by nearly 87 percent since the 1990s, making it one of the rarest bees in North America.