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Insect Declines

Insect Declines

Monarch larvae on showy milkweed, roadside in Idaho.
Xerces Introduces New Searchable Systemic Insecticides Reference
13. January 2022
A photograph of a farm, looking along a recently planted hedgerow. The hedgerow has three rows of bushy plants that stretch into the distance. Many of the plants are in bloom, showing yellow, white, pink, and purple flowers. To the left is a pond, reflecting the blue sky. To the right is a gravel road and apple trees.
Businesses Support the “Little Things that Run the World”
7. October 2021
A yellow and black bumble bee drinks nectar from pale pink flowers of milkweed
Court Decision Undermines the State of California’s Ability to Protect Insects Under its Endangered Species Act
20. November 2020
A monarch with large pieces missing from both wings perches on an evergreen branch.
New Year’s Count Finds Continued Decline of Monarchs Overwintering in California
4. March 2020
In this hand-drawn/hand-painted image, a grove of trees is shown, with a cut stump and a dead monarch with tattered wings in the foreground.
The Vanishing Butterfly Groves of California
27. January 2020
A monarch clings to the trunk of a tree in a dimly-lit landscape.
Thanksgiving Count Shows Western Monarchs Need Our Help More than Ever
23. January 2020
A woman in a red rain coat and gray hiking pants stands on the edge of a rocky mountain stream, holding a net, and scanning the water carefully. She is in a mountain meadow with yellow flowers.
Xerces' Holistic Approach to Conservation
16. January 2020
A teal-colored house is seemingly dwarfed by a profusion of plants growing around it, including purple and yellow blooms.
Insect Apocalypse? What Is Really Happening; Why it Matters; and How We All Can Help
27. December 2019
With wings spread, a monarch butterfly basks on a milkweed plant among the stems of a tulle marsh.
Western Monarchs: Notes from the Field
21. October 2019
A beautiful, colorful garden bursts with a variety of blooms. In the background, a partially obscured, brightly-painted house stands. In the foreground is a Xerces Society pollinator habitat sign.
Nature Close to Home: Reimagining Gardens to Support Invertebrates
18. September 2019
Two monarchs' wings overlap as they stand back end to back end, mating.
Community Science Powers New Western Monarch Studies
30. July 2019
A beautiful, bright orange monarch perches atop bright pink milkweed blossoms.
Working to Conserve Monarchs from Coast to Coast
21. June 2019
Two women walk through a garden with abundant, colorful flowers.
Bee City USA: Galvanizing Communities to Reverse Pollinator Decline
17. June 2019
A Xerces Society Pollinator Habitat sign stands proudly among a blossoming garden.
Bring Back the Pollinators During National Pollinator Week
17. June 2019
Landscaping outside an office building includes purple coneflower and goldenrod.
Mitigating the Effects of Heat on Urban Pollinators
6. March 2019
A western monarch rests on the side of a tree with furrowed bark.
New Year’s Count of Western Monarchs Confirms Decline, Trends Seen in Previous Years
5. February 2019
A monarch clings to the trunk of a tree in a dimly-lit landscape.
Record Low Number of Overwintering Monarch Butterflies in California—They Need Your Help!
17. January 2019
A monarch, with its wings folded, showing the duller orange side, clings to a rough tree trunk in a dimly-lit landscape.
Early Thanksgiving Counts Show a Critically Low Monarch Population in California
29. November 2018
Brown-belted bumble bee nectaring on eastern redbud.
A Shifting Climate Creates Winners and Losers
27. November 2018
A bumble bee perches on a yellow flower.
The Xerces Society Seeks Endangered Species Protections for California Bumble Bees
16. October 2018
A glowing green mason jar contains a few fireflies.
Keeping the Lights Burning: The Status of Fireflies in the United States and Canada
1. October 2018
A pollen-covered bee sits deep inside a bright-orange squash flower.
Can Robobees Solve the Pollination Crisis?
17. September 2018
A bumble bee sits atop a conical spire of small white flowers.
The Endangered Species Act Needs Your Help!
29. August 2018
Monarchs cluster on an evergreen tree branch.
2017 Monarch Numbers Are Down, Lengthening a Worrying Trend
9. February 2017