A well preserved fossil of a March Fly from the Green River Formations in Wyoming. They were inhabitants of grasslands and are called after their habi

---

A well-preserved fossil of a March Fly from the Green River Formations in Wyoming. They were inhabitants of grasslands and are called after their habit of appearing in Spring.

---

Size: 5000px × 4637px
Location: Scarborough, UK
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 3, 50, abdomen, alecia, antenna, antennae, arthropoda, bibionidae, chitin, compound, detail, diaphanous, diptera, ecdysis, egg, environment, eocene, excellent, exoskeleton, extinct, eyes, fly, formation, fossil, green, growth, habitat, halteres, head, holometabolous, insect, invertebrate, laying, legs, lenses, march, metamorphosis, million, mouthparts, nectar, pair, pairs, pasture, pealei, pollination, preserved, proboscis, river, rock, seasonal, shed, short, skin, thorax, true, vision, wildlfowers, wings, wyoming, years