Common Burrower Mayflies

Ephemeridae

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Ephemeroptera
Suborder: Furcatergalia
Infraorder: Scapphodonta
Superfamily: Ephemeroidea
Family: Ephemeridae

Pronunciation

How to pronounce Ephemeridae: /ˌɛfəˈmɛrɪdiː/

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Images

Summary

Ephemeridae is a family of mayflies characterized by large size and the ability to burrow in sediments. They play a significant ecological role in freshwater habitats and are found globally except in Australia and Oceania. They have about 150 described species, with several genera recognized.

Physical Characteristics

Size large; 10-30 mm; strongly divergent M and Cu veins in front wings; larvae have long cylindrical bodies, tapered at both ends, sharp mandibles that curve outward like tusks, long fringed antennae, three cauda (anal filaments); legs adapted for digging.

Identification Tips

Look for large mayflies with two or three long tails and distinctively patterned wings.

Habitat

Streams, lakes, and nearby areas; larvae burrow in sand and silt.

Distribution

Worldwide, except Australia and Oceania.

Diet

Nymphs are largely carnivorous, feeding through predation or scavenging.

Life Cycle

Ephemerids breed in a wide range of waters, usually requiring a layer of silt for the nymphs.

Ecosystem Role

Burrowing mayflies are important in aquatic ecosystems, providing food for fish and other predators.