Dicromantispa Mantidfly vs American Grannom

Side-by-side species comparison

Attribute Dicromantispa Mantidfly American Grannom
Scientific Name Dicromantispa sayi Brachycentrus americanus
Order Neuroptera Trichoptera
Family Mantispidae Brachycentridae
Size 18-28 mm wingspan 9-13 mm
Habitat Forests Rivers & Streams
Diet Omnivores Omnivores
Regions Eastern North America North America
Conservation Least Concern Least Concern

Dicromantispa Mantidfly

A brown mantidfly found across eastern North America in forested habitats. Named after the eminent entomologist Thomas Say.

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Did You Know?

Females lay thousands of eggs on stalks, but only larvae that find spider egg sacs survive.

American Grannom

A case-building caddisfly whose larvae attach their cases to rocks in fast current and filter-feed. Cases are chimney-shaped and built from silk and plant fragments.

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Did You Know?

Larvae can switch between filter-feeding and scraping algae depending on current speed.