πŸͺ» Dragonflies & Damselflies

Downy Emerald

Cordulia aenea

About Downy Emerald

A metallic green dragonfly with a distinctive downy thorax covered in fine golden hairs. Males patrol tirelessly along woodland lake edges. Its bright green eyes are a key identification feature.

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Did You Know?

Males patrol relentlessly along a fixed beat at the water's edge, often for hours without stopping.

How to Identify Downy Emerald

Downy Emerald (Cordulia aenea) belongs to the order Odonata, family Corduliidae. Adults typically measure 47-53mm.

Downy Emerald Habitat

Downy Emerald is found in woodlands habitats, particularly across Europe, Asia. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Downy Emerald Diet and Feeding

Downy Emerald is a predatory species that actively hunts and feeds on other insects and small invertebrates. As a predator, it helps control populations of pest species and maintains ecological balance.

Where Is Downy Emerald Found?

Downy Emerald can be found in Europe, Asia, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Downy Emerald can be found

Is Downy Emerald Dangerous?

Downy Emerald is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Downy Emerald Role in Nature

Downy Emerald serves as a natural predator, helping to control populations of other insects. Predatory insects are valuable in both natural ecosystems and agriculture, where they reduce the numbers of pest species without the need for chemical pesticides.

Seasonal Activity

Jan
Feb
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Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Downy Emerald

What does Downy Emerald look like?

The Downy Emerald typically measures 47-53mm.

Where is Downy Emerald found?

The Downy Emerald is found in Europe, Asia and typically inhabits woodlands environments.

What does Downy Emerald eat?

The Downy Emerald is a predator that hunts and feeds on other insects and small invertebrates.

Is Downy Emerald dangerous to humans?

The Downy Emerald is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Downy Emerald?

Males patrol relentlessly along a fixed beat at the water's edge, often for hours without stopping.

Cite This Page

APA:
InsectDiscover. (2026). Downy Emerald (Cordulia aenea). Retrieved from https://insectdiscover.com/insect/downy-emerald

MLA:
"Downy Emerald." InsectDiscover, https://insectdiscover.com/insect/downy-emerald.