Paleontologist S. Bruce Archibald at the McAbee Fossil Site in Canada, one of many spots in British Columbia that preserves tiny fossilized insects in stunning detail.
A fossilized fungus gnat from Driftwood Canyon, Canada. The fly is only a few millimeters long.
A fossil insect from British Columbia. Details are preserved finely enough that scientists can figure out which species the specimens belonged to.
A fossil wasp from the collection of the Stonerose Interpretive Center & Eocene Fossil Site in Republic, Wash.
The wings of a wasp from the Stonerose Interpretive Center & Eocene Fossil Site collection are barely visible.
Paleontologist Rolf Mathewes of Simon Fraser University in British Columbia holds up a tiny insect fossil.
Paleontologist Rolf Mathewes with students at the Quilchena fossil site in British Columbia.