Two monarch butterflies are perched atop a flower in downtown Chicago.

Cities are Key to Saving Monarch Butterflies

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Monarch butterflies have been recommended for protected status by the US Fish and Wildlife Service

Media for Meet Chicago’s Native Bees

Meet Chicago's Native Bees

Dozens of orange and black monarch butterflies perch on tree branches, practically perching on top of one another. Some are blurred as they flap their wings.

Following the Monarch Butterflies to Mexico

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The Field Museum

Camel Spiders: Neither Camels, nor Spiders

A butterfly cocoon, and an orange and black butterfly on a purple flower.

Monarch Butterflies 101

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Close-up of an orange and black butterfly perched on a group of small, unopened flowers

Milkweeds Can Save Monarchs And Beautify Your Garden

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A monarch butterfly on common milkweed

A bright orange and black butterfly on a purple flower with yellow center

Five Reasons to Add Native Plants to Your Garden

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A monarch butterfly on a New England Aster.

Botflies, Chicago Parakeets, and the Smallest Collection | Ask Emily #13

Peregrine Shot

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Peregrines, Dermestids & Social Media

Chicago Adventure, Part Eight: How to be an Insect

Branches on the enormous Beetle Tree of Life

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2009 REU Intern Kristin Kalita

200 species in "LinEpig" Dwarf Spider gallery

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Vials from the RBCM loan

Bringing new beetles to light

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2012 REU Intern Anthony Deczynski

Insects, Arachnids and Myriapods

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Two boys stand in front of a reproduction of a crayfish more than twice their size. The boy to the left crouches, looking down into a window cut in floor. Recreated soil and roots are visible behind them.

Underground Adventure

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Al Newton portrait

Alfred Newton

Margaret Thayer portrait

Margaret Thayer

Bruno de Medeiros

Media for Staff Profile

Petra Sierwald

Jim Louderman

Jessica Wadleigh

Tatiana Sepulveda Villa

Weevils, long-nosed beetles, are unsung heroes of pollination

Monarch butterflies need help, and a little bit of milkweed goes a long way

Monarch butterflies didn’t get the endangered listing they deserve. That might not be a bad thing.

Dwarf Spider ID Gallery

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Face of a female Dwarf Spider.

LinEpig: Dwarf Spider ID Gallery

Insects - Research

Insects - Policies

Eric Smith, Harry Nelson, Hank Dybas, John Kethley, Rupe Wenzel, and Larry Watrous circa. 1980.

Insects - History

Insect Collections

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