Endangered and Threatened Pollinators in Maine

Maine's native pollinators face unprecedented challenges. Learn about the species at risk and how we can help protect these vital members of our ecosystem.

Rusty patched bumblebee
At Risk

Rusty patched bumblebee

Bombus affinis

Federal Endangered Status

Once common across the U.S., now critically endangered due to habitat loss, pesticides, and disease.

Southeastern blueberry bee
At Risk

Southeastern blueberry bee

Habropoda laboriosa

State species of concern in Maine

Key pollinator of blueberries; habitat loss threatens their populations.

Yellow-banded bumblebee
At Risk

Yellow-banded bumblebee

Bombus terricola

Species of concern in Maine

Declining due to habitat fragmentation, pesticides, and disease.

Monarch butterfly
At Risk

Monarch butterfly

Danaus plexippus

Threatened in 2024

Declines due to loss of milkweed habitat, pesticides, and climate change.

How You Can Help

Plant Native Flowers

Choose native Maine plants that provide nectar and pollen throughout the growing season.

Avoid Pesticides

Eliminate or minimize pesticide use. Choose organic methods instead.

Sponsor Our Programs

Join our sponsorship programs to directly support pollinator conservation efforts.