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Parasitic Wasp Ichneumon from Hawes Quarry Rio Blanco Colorado

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Parasitic Wasp Ichneumon from Hawes Quarry Rio Blanco Colorado

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Ichneumon (Parasitic Wasp)

Age : Eocene ( 49 Ma)
Formation : Parachute Creek Member / Green River Formation
Locality : Hawes Quarry, Rio Blanco, Colorado

Wasp : 1 x 0.9 cm

The term parasitoid wasp refers to a large evolutionary grade of hymenopteran (the hind wings are connected to the fore wings by a series of hooks called hamuli) superfamilies, mainly in the Apocrita. They are parasitoids of various animals, mainly other arthropods. Parasitic wasps range from some of the smallest species of insects, to wasps about an inch long. Some are parasitoids that complete their metamorphosis in a single small egg of a small insect, and such a wasp is necessarily less than 1 mm long.


The Green River Formation is famous worldwide for its fossil fish and other associated fauna (reptiles, birds, mammals, & plants). The Green River Fm. also provides us a rare snapshot glimpse into life 49 million years ago.

The preservation of the fossil insects in the Hawes Quarry are just spectacular, some good enough to allow not only identification to family and subfamily, but will sometimes show color patterns, wing venation, and sex-related characters.

This fossil specimen was collected by William Hawes, from his quarry, the Hawes Quarry, in Rio Blanco County, Colorado. The Hawes Quarry has produced some of the most amazingly beautiful insect fossils from the Green River Fm. and these represent the hand selected, choice picks, from Hawes years of collecting in the mountains of Colorado.

Specimen will come with an identification card.

Scientific Classification :
Kingdom:    Animalia
Phylum:    Arthropoda
Subphylum:    Hexapoda
Class:    Insecta
Order:    Hymenoptera
Suborder:    Apocrita
Superfamily:    Ichneumonoidea
Family:    Ichneumonidae
Subfamily:    Ichneumoninae
Genus:    Ichneumon (Linnaeus, 1758)