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Dr. Richard A. Casagrande

Professor of Entomology and Chairman of the Plant Science Department

University of Rhode Island

Direct Phone: (401) ***-****       

Email: c***@***.edu

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University of Rhode Island

79 Upper College Road

Kingston, Rhode Island 02881

United States

Company Description

The University of Rhode Island (URI) is located in Kingston, Rhode Island. URI offers more than 80 majors and more than 50 minors. With 13,000 undergraduates coming from 45 different states and 58 countries, the student/faculty ratio remains 15:1. The Wal ... more

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Background Information

Employment History

Professor of Entomology

Plant Sciences University of Rhode Island



Web References (136 Total References)

Beetles v. Purple Loosestrife - Northeastern IPM Center [cached]

In Rhode Island, Lisa Tewksbury and Richard Casagrande (Univ. of Rhode Island) have tracked the effects of the three species in a wetland where purple loosestrife had taken over.

Swallow-wort Biocontrols Pass Test - Northeastern IPM Center [cached]

Entomologists Richard Casagrande and Heather Faubert helped rid a Rhode Island farm of cypress spurge, an invasive weed, in the late 1990s.

"Then," says Casagrande (Univ. of Rhode Island), "along came swallow-wort. Now Casagrande is leading a team to help find biocontrol foes to take on swallow-wort, research backed by Northeast IPM Partnership funds.
"They stopped eating after a single bite," says Casagrande.
Working off a TAG (technical advisory group) test-plant list approved by the USDA's Animal and Plant Health Inspection Service, Casagrande's team examined five possible biocontrol specialists in their quarantine lab, including two moths that evolved to feed on swallow-wort leaves. The researchers wanted to be sure these biocontrol insects wouldn't jump to plants on the TAG list, since the last thing anyone wants is a new pest dominating the landscape.
"No-choice" tests ensure guests you want
The TAG list includes, naturally, most native milkweed relatives and even their sixth cousins. "Luckily, none of our native plants are closely related to swallow-wort," says Casagrande.
Both leaf-eating moths "passed the acid test," says Casagrande.
Rhode Island entomologist Richard Casagrande is identifying natural enemies of this pest.

Richard Casagrande, ... [cached]

Richard Casagrande, University of Rhode Island, Kingston, Rhode Island

Richard Casagrande, ... [cached]

Richard Casagrande, University of Rhode Island, Kingston, Rhode Island

Richard Casagrande, ... [cached]

Richard Casagrande, University of Rhode Island, Kingston, Rhode Island

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