Giant Dobsonfly vs South African Dobsonfly

Side-by-side species comparison

Attribute Giant Dobsonfly South African Dobsonfly
Scientific Name Acanthacorydalis fruhstorferi Taeniochauliodes ochraceus
Order Megaloptera Megaloptera
Family Corydalidae Corydalidae
Size 60-90 mm body, 210 mm wingspan 25-40 mm body
Habitat Rivers & Streams Rivers & Streams
Diet Predators Predators
Regions Asia Africa
Conservation Data Deficient Least Concern

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.

South African Dobsonfly

A large dobsonfly from southern African rivers with broad amber-tinged wings.

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Did You Know?

Its hellgrammite larvae are important predators in South African freshwater ecosystems.