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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

A Costa Rican stream.
UpStream Newsletter, Spring 2003
The United Nations has declared 2003 the International Year of Fresh Water to galvanize action on one of the world’s most urgent crises.
Publication title with image of a mayfly
Dietary and stable isotope (δ 13C, δ 15N) analyses in alpine Ephemeroptera and Plecoptera
Füreder, L., C. Welter, and J.K. Jackson. 2003. Dietary and stable isotope (δ13C, δ15N) analyses in alpine Ephemeroptera and Plecoptera. Pages 39-46 in E. Gaino (editor). Research Update on Ephemeroptera and
A stream cascade in Lofty Creek, Pennsylvania.
The effects of nonindigenous Norway maple (Acer platanoides) on an aquatic insect community
Fenstermacher, H. 2002. M.S. Thesis, Entomology and Applied Ecology, University of Delaware. Adviser: J.K. Jackson.
Louis Kaplan taking a streamwater sample.
UpStream Newsletter, Spring 2002
Stroud scientists are studying how organic molecules support stream microorganisms and how far the molecules travel downstream before they are metabolized.
Publication title with image of a mayfly
Effects of Bacillus thuringiensis israelensis on black flies and nontarget macroinvertebrates and fish in a large river
Jackson, J.K., R.J. Horwitz, and B.W. Sweeney. 2002. Transactions of the American Fisheries Society 131:910–930.