Courtship and mating behaviors had been observed over the last week and today, despite the cooler indoor environment and limited sunlight, the first batches of eggs have been laid. The eggs were deposited on the underside of the leaves of...Read more
April 27, 2017: Baltimore Checkerspots: The Next Generation
April 07, 2017: Our Baltimore Checkerspots are pupating
This is our first Baltimore Checkerspot pupa of the season. It completed larval development so fast because it's been kept at rather high temperatures (32°C).
March 24, 2017: Prof. Ries seminar at American University
Prof. Ries will give a talk on March 29th on butterfly responses to climate change as part of American University's Humanities series on energy. For more information, see here:...Read more
March 23, 2017: Our Baltimore Checkerspots are waking up from diapause
Our first generation of Baltimore Checkerspot caterpillars are resuming activities. They overwintered as 4th instar larvae and are getting ready to complete development this spring.
February 13, 2017: Paper published: Monarch demographics and conservation
A spatially explicit demographic model for North American monarchs and implications for conservation by Dr. Ries and colleagues was published by Ecological Entomology. The model results indicate that conservation actions in multiple regions will...Read more
February 13, 2017: Dr. Ries seminar at Howard U.
Dr. Ries visited Howard University in January to speak at their departmental seminar about the work of the Ries Lab at Georgetown.
September 21, 2016: 1st generation of caterpillars emerging
Our first generation of silver-spotted skipper caterpillars are almost all finished developing (except for the unfortunate individuals who were put in the coldest treatments). We now have adults emerged and in the mating cage - hopefully ready...Read more
August 19, 2016: Chambers are up and running!
After two months of electrical mishaps, our growth chambers are finally up and running and filled with hundreds of caterpillars.
August 04, 2016: Kevin presents results of summer research
Kevin presents the results of the species distribution model on the Baltimore Checkerspot at the Georgetown REU summer poster session. His poster was, of course, a smashing success.