Alfalfa Leafcutter Bee vs Small Rivulet

Side-by-side species comparison

Attribute Alfalfa Leafcutter Bee Small Rivulet
Scientific Name Megachile rotundata Perizoma alchemillata
Order Hymenoptera Lepidoptera
Family Megachilidae Geometridae
Size 7-9 mm 18-22 mm wingspan
Habitat Farmland Rivers & Streams
Diet Herbivores Herbivores
Regions North America, Europe, introduced to other regions Europe
Conservation Not Evaluated Least Concern

Alfalfa Leafcutter Bee

A small solitary bee that cuts precise circular pieces from leaves to construct nest cells. It is the most important managed pollinator of alfalfa seed crops in North America.

💡

Did You Know?

Alfalfa seed yields increased up to 1,000% when this bee was introduced as a managed pollinator.

Small Rivulet

A delicate small moth found in damp habitats where hemp agrimony grows. The larvae feed inside the flowers. Has subtle grey and white wing markings.

💡

Did You Know?

The larvae develop entirely within hemp agrimony flower heads, emerging only to pupate.