Winter Firefly vs Giant Dobsonfly

Side-by-side species comparison

Attribute Winter Firefly Giant Dobsonfly
Scientific Name Ellychnia corrusca Acanthacorydalis fruhstorferi
Order Coleoptera Megaloptera
Family Lampyridae Corydalidae
Size 10-14 mm 60-90 mm body, 210 mm wingspan
Habitat Woodlands Rivers & Streams
Diet Predators Predators
Regions Eastern North America Asia
Conservation Least Concern Data Deficient

Winter Firefly

A day-active firefly that does not produce light as an adult. It is commonly found on tree trunks during late winter and early spring in eastern North America.

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Did You Know?

Despite being a firefly, adults completely lack the ability to produce bioluminescence.

Giant Dobsonfly

The largest aquatic insect in the world by wingspan, found in streams in Vietnam and China. Males have enormous mandibles resembling reindeer antlers.

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Did You Know?

With a wingspan of 21 cm, this is the worlds largest aquatic insect — its bizarre mandibles resemble reindeer antlers and are used exclusively for grappling rival males.