June 20, 2024: New collaborative article shows the dangers of neonicotinoids

After many years of work, a collaborative article between Leslie and scientists from Michigan State University and Iowa State shows the negative impacts of insecticides in general and neonicotinoids in particular. The study was...

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June 14, 2024: The Ries Lab gets a private tour

On June 11, Bob Robbins - the head curator of Lepidoptera at the Smithsonian's Museum of Natural History - gave our lab a tour of the collections (huge and overwhelming) - and also showed us some specimens of particular interest. Thanks Bob!!...

June 14, 2024: Digging up host plants for Anngely's first season!

Anngely is digging up invasive plantain to keep in our lab garden - this will be fed to experimental caterpillars along with their native hostplant - white turtlehead. Now all we need are caterpillars!

April 23, 2024: First field trip of the season - successful!

Our first collecting trip of the season was to Green Ridge State Forest to catch silvery blues for our study of genetic patterns across our species' range. We were able to find five individuals for our study and discovered a beautiful park that...

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April 09, 2024: Alumnus Kevin Czuchara returns!

Kevin, now at USFWS working with DOD to manage habitat and species, is back to work on a collaborative project with Anngely, picking up his lab Baltimore Checkerspot work where we left off! Welcome back Kevin!

April 04, 2024: Planting caterpillar food

Lab members are busy preparing for this summer's experimental work raising butterflies. Recently, several lab members headed to a nearby campus garden to plant Chelone glabra (White Turtlehead) seedlings, a plant eaten by Euphydryas...

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March 04, 2024: New Global Change Bio publication

Check out lab alumnus Vaughn's latest publication of PhD dissertation research.
Rising minimum temperatures contribute to 50 years of occupancy decline among cold-adapted Arctic and boreal butterflies in North America (published in Global...

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October 14, 2023: Leslie is excited to start an NSF rotator position

Leslie will be working 80% time at NSF in the Division of Biological Infrastructure to help devise a new system for assessing project outcomes for infrastructure awards. Building infrastructure is an essential component of supporting research...

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August 30, 2023: Welcome Anngely

The Ries Lab welcomes new graduate student Anngely Leeds to Georgetown! Anngely will be presenting past work at the Entomology 2023 conference in November.

August 25, 2023: Congratulations Dr. Shirey!

Belated congratulations to Dr. Vaughn Shirey, who passed their dissertation defense with flying colors on May 12. Vaughn has been an integral part of the Ries Lab, and know that they will continue to do incredible work for the insect...

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