A Field Guide to the Bumble Bees of Washington State - Bumble Bees of Washington State Bumble Bees of Washington State

Field Identification tips for Washington Bumble bees

Rusty-patched Bumble Bee Guide - New York Natural Heritage Program

Field Identification overview - Bumble Bees of Washington State Bumble Bees of Washington State

Species Illustrations - PNW Bumble Bee Atlas

Fall Native Bees in Washington State

Hunt bumble bee, Bombus huntii - Bumble Bees of Washington State Bumble Bees of Washington State

Bumbles in our Backyards - WNPS Blog - Botanical Rambles

Bumblebees Missouri Department of Conservation

Shrubs and Trees for Bees

Species Illustrations - PNW Bumble Bee Atlas

15 Types of Bees Found in Washington State – Nature Blog Network

Bumble bee - Washington State Department of Agriculture

15 Types of Bees Found in Washington! (state) - Bird Watching HQ