"Glaucopsyche xerces is now extinct," he told a friend.
"The locality where it used to be found is converted to building lots, and between German chickens and Irish hogs no insect can exist besides louse and flea" (Pyle 1976).
Williams Anise Swallowtail at Pier 70 feeding on nectar of mallow flower, May 2015 Photo: Lisa Ruth Elliott Red Admiral on Potrero Hill Photo: Margo Bors Mylitta Crescent spot in Glen Canyon.
Photo: Margo Bors needs ID Photo: Chris Carlsson Anise Swallowtail on Twin Peaks, August 2007 Photo: Chris Carlsson As early as the mid-1870s, entomologists and amateur naturalists in San Francisco began to lament the loss of native plant habitat and its effect on butterfly abundance and diversity.
Muir preached to an overwhelmingly white elite that had the means to disengage from the cities when they desired, who worked the levers of power to save his beloved wild lands.
Today, 95 percent of Californians now live in urban areas and whites have made up a minority of our state’s population since 1999. And some projections suggest that visitor numbers in general will decline despite a rise in total population over the next century.
In 1914, federal debt stood at 4 percent of gross domestic product. The capacity of the federal government to acquire and manage wilderness lands is diminishing and there seems little chance of a reversal.
Since 2000, the portion of the federal budget allocated to the National Park Service declined by about 40 percent relative to other programs.
He felt that the National Park system was the only sure way to protect forever these sacred places.
The 52 million acres of National Park land are his gift to us and hope for both our future and the wilderness he cherished.