Yellow May Dun vs Brazilian Antlion

Side-by-side species comparison

Attribute Yellow May Dun Brazilian Antlion
Scientific Name Heptagenia sulphurea Myrmeleon brasiliensis
Order Ephemeroptera Neuroptera
Family Heptageniidae Myrmeleontidae
Size 10-15 mm 50-65 mm wingspan
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions Europe Brazil, South America
Conservation Least Concern Least Concern

Yellow May Dun

A bright sulfur-yellow mayfly common across European rivers during early summer. Its flat nymphs are adapted to fast-flowing water on stony substrates.

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Did You Know?

The striking yellow color of this mayfly makes it one of the most easily recognizable species on European rivers.

Brazilian Antlion

A common South American antlion found in sandy cerrado and caatinga habitats. Its larval pit traps dot the sandy floors of sheltered spots.

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Did You Know?

In the Brazilian cerrado, antlion pits are so abundant they have been used to estimate soil disturbance levels.