Brazilian Antlion vs Snail-Case Caddis

Side-by-side species comparison

Attribute Brazilian Antlion Snail-Case Caddis
Scientific Name Myrmeleon brasiliensis Helicopsyche borealis
Order Neuroptera Trichoptera
Family Myrmeleontidae Helicopsychidae
Size 50-65 mm wingspan 5-7 mm
Habitat Rivers & Streams Rivers & Streams
Diet Omnivores Omnivores
Regions Brazil, South America North America
Conservation Least Concern Least Concern

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.

Snail-Case Caddis

A remarkable caddisfly whose larvae build coiled cases from sand grains that closely resemble tiny snail shells. It is widespread in North American streams.

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Did You Know?

Its spiral case is so convincing that early naturalists classified the larvae as snails rather than insects.