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Entomology

Abigail Duimering samples macroinvertebrates in White Clay Creek.

Wading Through Disciplines

800 450 Stroud Water Research Center

From aquatic insects to microbial DNA, an intern explores how collaboration across disciplines advances stream and soil health research.

A sample of aquatic macroinvertebrates viewed under a microscope.

Building Scientific Rigor Through Certified Taxonomic Expertise

800 450 Stroud Water Research Center

Taxonomic certification administered by the Stroud Center is the gold standard, with certifications in aquatic invertebrates, diatoms, and soon, fish.

Dave Funk collects macroinvertebrate samples from a stream.

Six New Species of Mayfly Identified: A Video Interview with Dave Funk

800 450 Stroud Water Research Center

Entomologist Dave Funk shares how his 2025 study named six new Ameletus mayflies — and what these parthenogenetic insects reveal about stream health.

Publication title with image of a mayfly

Ameletus Mayflies (Ephemeroptera: Ameletidae) of the Eastern Nearctic

350 210 Stroud Water Research Center

Funk, D.H. 2025. Insects 16(5): 530.

Publication title with image of a mayfly

High fecal indicator bacteria in temperate headwater streams at baseflow: implications for management and public health

350 210 Stroud Water Research Center

D.T. Myers, L. Zgleszewski, R. Bier, J.R. Price, S. Morgan, J.K. Jackson, D. Oviedo-Vargas, M. Daniels, D.B. Arscott, J. Kan. 2025. Water Research X 29: 100347.

Stroud Center Executive Director David B. Arscott along with Director of Watershed Restoration Matthew Ehrhart and Senior Research Scientist Jackson, Ph.D., accept the Watershed Champion award.

Stroud Center Named Watershed Champion by Philly–Area Collaborative

800 450 Stroud Water Research Center

A collaborative led by the Pennsylvania Environmental Council honors Stroud Center for its role in protecting and restoring the Delaware River Watershed.

An adult mayfly with large eyes sitting on a leaf.

Four Seasons of Salt Threaten Wildlife

720 540 Stroud Water Research Center

Excessive winter salt use is leading to year-round pollution in fresh water. Discover why this is a problem and what you can do about it.

Two entomologist preparing a sample and recording data alongside a stream.

Conducting World-Leading, Innovative Freshwater Research

800 450 Stroud Water Research Center

On the Start Local podcast, John Jackson, Ph.D., shares insights into how the Stroud Center uses innovative science to protect and preserve fresh water.

Publication title with image of a mayfly

Watershed survey of streams in western Bhutan with macroinvertebrates, water chemistry, bacteria and DNA barcodes

350 210 Stroud Water Research Center

Battle, J.M., B.W. Sweeney, B. Currinder, A. Aufdenkampe, B. Fisher, and N. Islam. 2024. Journal of Threatened Taxa 16(11): 26089–26103.

Two scientists and a TV weatherman look at a crayfish captured from White Clay Creek.

Stroud Center Goes Live with Fox 29 Weather Team

800 450 Stroud Water Research Center

Meteorologist Drew Anderson got his feet wet in White Clay Creek as some of our scientists discussed healthy streams with viewers of the live show.