He is president of a newly formed society, the North American Butterfly Association.
The Xerces Society and the North American Butterfly Association are sponsors of this annual census, and there is no charge to participate.
The event is sponsored by the Xerces Society and the North American Butterfly Association.
The president of the North American Butterfly Association, Jeffrey Glassberg, denounced yesterday's event, calling it a "circus sideshow."
Jeffrey Glassberg, president of the North American Butterfly Association, remembers much bigger flocks as recently as the 1980's.
The North American Butterfly Association operates the National Butterfly Center adjacent to the park.
The July 4 counts are organized by the North American Butterfly Association.
The North American Butterfly Association sponsors the count (this year's is the 28th) to check the status of common and endangered species.
The North American Butterfly Association also publishes the American Butterflies magazine quarterly.
Q. What are the goals of the North American Butterfly Association?