Sand-Case Caddisfly vs Agave Snout Weevil

Side-by-side species comparison

Attribute Sand-Case Caddisfly Agave Snout Weevil
Scientific Name Sericostoma personatum Scyphophorus acupunctatus
Order Trichoptera Coleoptera
Family Sericostomatidae Curculionidae
Size 10-14 mm 10-15 mm
Habitat Rivers & Streams Farmland
Diet Herbivores Herbivores
Regions Europe Mexico, Southwestern United States, Mediterranean (invasive)
Conservation Least Concern Least Concern

Sand-Case Caddisfly

A caddisfly whose larvae build smooth, curved cases entirely from fine sand grains cemented with silk. Adults are dark with hairy wings.

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Did You Know?

The curved sand-grain cases built by these larvae are so precisely constructed they resemble tiny miniature architectural works.

Agave Snout Weevil

A large, black weevil that attacks agave and yucca plants by boring into the base. It can destroy entire agave plantations used for tequila production.

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Did You Know?

Infestations of this weevil have threatened Mexico's tequila industry by killing the blue agave plants used to make the spirit.