Coffin Fly vs Large Dark Olive Mayfly

Side-by-side species comparison

Attribute Coffin Fly Large Dark Olive Mayfly
Scientific Name Conicera tibialis Baetis rhodani
Order Diptera Ephemeroptera
Family Phoridae Baetidae
Size 2-3 mm 6-10 mm
Habitat Underground Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, North America Europe
Conservation Least Concern Least Concern

Coffin Fly

A tiny humpbacked fly capable of burrowing through soil to reach buried remains. It is of forensic importance as it can colonize remains inaccessible to other insects.

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Did You Know?

It can burrow through over a meter of soil to reach a food source below ground.

Large Dark Olive Mayfly

The most common European mayfly, emerging year-round in many rivers. It is a small olive-brown species that serves as a staple food for stream fish.

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Did You Know?

This mayfly can produce up to three generations per year, making it available as fish food in every season.