Scientists led by Dr Ralph Harbach of Natural History Museum in London have reported a stunning discovery: a well-preserved 46-million-year-old female mosquito full of blood. This image shows a 46-million-year-old blood-engorged female mosquito from northwestern Montana. Image credit: Dale E. Greenwalt et al. The unique fossil was found in the Middle Eocene Kishenehn Formation in northwestern Montana. “The preservation of fossil female mosquito...
