MARCH FLY - EOCENE, COLORADO, USA.

Plecia pealei

​​​​​​​Beautifully preserved complete March fly with both wings outstretched. Nice detail under magnification.

Eocene, Green River Formation, Parachute Creek Member.
'Raydome' locality, Douglass Pass, Garfield County, Colorado, USA.

Matrix : 3.7 x 3.9 cm.