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Entomology Group

600 400 Stroud Water Research Center

The Entomology Group studies factors that affect the distribution and abundance of aquatic invertebrates, the functional role of invertebrates in stream and river ecosystems, and how these invertebrate communities respond to human activities in temperate and tropical watersheds.

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Looking for macroinvertebrate identification resources?

Entomology Staff

Headshot of Jan Battle.

Juliann Battle

Staff Scientist
Katie Billé

Catherine Billé

Staff Scientist
Michael Broomall headshot.

Michael Broomall

Staff Scientist, Taxonomic Certification Program Coordinator
David Funk

David Funk

Entomologist, Director of Facilities
Adam Gochnauer

Adam Gochnauer

Staff Scientist
Courtland Hess

Courtland Hess

Staff Scientist
John Jackson, Ph.D.

John Jackson, Ph.D.

Senior Research Scientist
Sherman Roberts

Sherman Roberts

Staff Scientist

Entomology News

Stroud Center Collaborations Amplify Impact on Fresh Water
Stroud Center Collaborations Amplify Impact on Fresh Water
Scientists, educators, and watershed restoration professionals are working together to create long-lasting and positive impacts on waterways.
The 2023 interns pose in front of a Stroud Center backdrop.
Meet Our 2023 Interns
Our interns assist with research and other mission-focused work and gain valuable professional experience and networking opportunities.
Two scientist collecting and recording data in a stream.
Meet Our 2022 Summer Interns
This is the 50th year that the Stroud Center has welcomed interns to help develop their skills and give them memorable experiences in their fields.
A female mayfly with a ball of eggs attached to the underside of her abdomen.
The Magic of Mayflies
Without any mouth parts, fully mature adult mayflies, called spinners, cannot eat, and so most live but a single day.
A close view of green-dyed road salt on a walking path in Fairfax County, Virginia.
Who Can You Trust? Stroud Center Scientist Testifies on Threats of Road Salt to Fresh Water
The invitation came on the heels of the Stroud Center sharing data with the Philadelphia Inquirer underlining the gravity of the road salt crisis as it affects clean fresh water.
A metal scoop full of road salt being sprinkled on pavement.
Over-Seasoned: Our Taste for Salt is Killing Our Freshwater Ecosystems
The intense use of salt is now threatening our streams and rivers, marshes and ponds, and even groundwater — freshwater resources that were never meant to be so salty.