Silvestri Angel Insect vs Mountain Prosimulium

Side-by-side species comparison

Attribute Silvestri Angel Insect Mountain Prosimulium
Scientific Name Zorotypus silvestrii Prosimulium mixtum
Order Zoraptera Diptera
Family Zorotypidae Simuliidae
Size 2-3 mm 2-4 mm
Habitat Forests Mountains
Diet Omnivores Omnivores
Regions Central America North America
Conservation Data Deficient Least Concern

Silvestri Angel Insect

A tropical zorapteran found in Central American forests. It lives in small colonies under loose bark and feeds on fungal hyphae.

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Did You Know?

Despite being described over a century ago, the biology of most angel insect species remains largely unknown.

Mountain Prosimulium

An early-season black fly of cold mountain streams in North America. Larvae develop in small headwater streams during late winter and early spring.

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Did You Know?

Adults emerge so early in spring that they are often the first biting flies encountered by hikers each year.