Nature World News: 

Scientists Trace Butterfly Evolutionary History Using DNA Advances

AAAS EurekAlert!:

Biologist David Lohman leads $2.5 million NSF-funded study on butterfly evolution

Florida Museum Pressroom: 

$2.5 million NSF grant to fund online butterfly family tree, field guide

Phys.org:

At last, butterflies get a bigger, better evolutionary tree

Sci-News:

Scientists Complete Butterfly Evolutionary Tree