South American Giant Diving Beetle vs Lance-tipped Darner

Side-by-side species comparison

Attribute South American Giant Diving Beetle Lance-tipped Darner
Scientific Name Megadytes ducalis Aeshna constricta
Order Coleoptera Odonata
Family Dytiscidae Aeshnidae
Size 35-45 mm 65-74 mm
Habitat Rivers & Streams Ponds & Lakes
Diet Omnivores Omnivores
Regions Brazil, Amazon Basin North America
Conservation Least Concern Least Concern

South American Giant Diving Beetle

One of the largest diving beetles in South America with a glossy dark olive body. It inhabits large rivers and lakes of the Amazon basin.

💡

Did You Know?

It is among the largest dytiscid beetles in the Western Hemisphere.

Lance-tipped Darner

A large brown darner with blue spots common in eastern North America. It is a late-season flier, active well into autumn.

💡

Did You Know?

Its name refers to the lance-shaped cerci (tail appendages) used by males to grasp females during mating.