Spring Firefly vs Prostoia Forestfly

Side-by-side species comparison

Attribute Spring Firefly Prostoia Forestfly
Scientific Name Photinus ardens Prostoia besametsa
Order Coleoptera Plecoptera
Family Lampyridae Nemouridae
Size 5-8 mm 5-8 mm
Habitat Woodlands Woodlands
Diet Predators Detritivores
Regions North America North America
Conservation Least Concern Least Concern

Spring Firefly

A small early-season firefly of the eastern United States with a distinctive fast double-pulse flash pattern. It has a dark body with a pinkish-red pronotum and is among the first fireflies to appear each year.

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Did You Know?

This species often begins flashing earlier in the evening than most other North American fireflies.

Prostoia Forestfly

A small spring stonefly of eastern North American woodland streams. Nymphs are detritivores among leaf packs in gentle currents.

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Did You Know?

The genus name Prostoia was coined to distinguish these North American species from the European Protonemura.