Spiny Oak Slug Moth vs Sand Fly Caddis

Side-by-side species comparison

Attribute Spiny Oak Slug Moth Sand Fly Caddis
Scientific Name Euclea delphinii Glossosoma intermedium
Order Lepidoptera Trichoptera
Family Limacodidae Glossosomatidae
Size 22-30 mm wingspan 6-9 mm
Habitat Orchards Rivers & Streams
Diet Omnivores Omnivores
Regions Eastern North America North America
Conservation Least Concern Least Concern

Spiny Oak Slug Moth

A small colorful moth with green, brown, and silver-spotted forewings. Its flattened, jewel-like caterpillar is green with red and yellow markings and bears stinging spines.

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Did You Know?

The ornate caterpillar has been called one of the most beautiful in North America despite its painful sting.

Sand Fly Caddis

A small caddisfly whose larvae build distinctive tortoise-shell-shaped stone cases. They are important grazers on algae-covered stream rocks.

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Did You Know?

Glossosoma larvae abandon and rebuild their dome-shaped cases each time they need to move to a new grazing site.