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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

Juliann Battle

Juliann Battle

Research Technician
Katie Billé

Catherine Billé

Research Technician
Michael Broomall

Michael Broomall

Research Technician, Taxonomic Certification Program Coordinator
David Funk

David Funk

Entomologist, Director of Facilities
Adam Gochnauer

Adam Gochnauer

Research Technician
Courtland Hess

Courtland Hess

Research Technician
John Jackson, Ph.D.

John Jackson, Ph.D.

Senior Research Scientist
Sherman Roberts

Sherman Roberts

Research Technician
Bernard Sweeney, Ph.D.

Bernard Sweeney, Ph.D.

Distinguished Research Scientist

Entomology News

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.
The Bug Whisperer: Dave Funk Decodes Mysteries of Mayflies and Other Clean-Water Lovers
The Bug Whisperer: Dave Funk Decodes Mysteries of Mayflies and Other Clean-Water Lovers
Funk's insatiable curiousity has served him well during 45 years as a instrumental player on landmark freshwater studies at the Stroud Center.
Katie Billé working with a composite macroinvertebrate sample next to a stream.
What Do Yoga, Creek Swimming, and Mystery Author Agatha Christie Have in Common?
Katie Billé left the Stroud Center to pursue a graduate degree in aquatic ecology. With that goal completed, she has returned for a second go at her dream job.