Mosquitos culex (Linnaeus)
Eugnamptus decemstatus (Schonher)
From the Eocene ,green river formation, Parachute creek member.
Collected from Raydome locality ,Douglas pass ,Garfield county,Colorado USA.
Fantastic buff siltstone split to reveal the fossilised remains of 50 million year old adult craneflies, mosquitos and a fantastic snout beetle,a very busy piece!
The entire piece measures 67mm x 52mm.