Alfalfa Leafcutter Bee vs Clouded Yellow

Side-by-side species comparison

Attribute Alfalfa Leafcutter Bee Clouded Yellow
Scientific Name Megachile rotundata Colias croceus
Order Hymenoptera Lepidoptera
Family Megachilidae Pieridae
Size 7-9 mm Wingspan 46-54mm
Habitat Farmland Farmland
Diet Herbivores Herbivores
Regions North America, Europe, introduced to other regions Europe, Africa, Asia
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.

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Did You Know?

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

Clouded Yellow

A fast-flying bright orange-yellow butterfly with black wing borders. A pale female form called helice has greenish-white wings instead of orange.

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Did You Know?

It migrates north from the Mediterranean each year but the return generation flies south at such high altitude it is rarely observed.