Entoma
Eastern pondhawk, Erythemis simplicicollis, plate

Skimmers

Erythemis simplicicollis

Eastern pondhawk

Mature male Eastern Pondhawks turn powder blue with age, while juveniles and females stay bright green, so the same pond can hold both colors at once.

WherePonds, lakes and slow-moving water
Size60 to 80 mm wingspan
WhenApril to October

Adult males have a powder-blue abdomen with a green face and thorax, while females and young males are bright green with a black-banded abdomen. Body length runs from about 36 to 48 millimeters, with a wingspan of roughly 60 to 80 millimeters.

This dragonfly is an aggressive hunter that will take other dragonflies close to its own size, including smaller members of its own species, while perched at the edges of ponds and marshes.

Traits

Habitat

Wetland

Colour

Green, Blue, Black

Active

Day

To people

Common and easy to watch at garden ponds; does not sting or bite people.

Activity through the year

Often confused with

Blue dasherOpen entry ›
Pachydiplax longipennis

Shows a plain white face and green-striped thorax that the Eastern Pondhawk lacks.

Questions

Is the Eastern pondhawk dangerous to people?

Common and easy to watch at garden ponds; does not sting or bite people.

When can you see the Eastern pondhawk?

The Eastern pondhawk can be seen from April to October, by day.

Plate retouched from a museum specimen photo by Davidson College, CC0, GBIF Licence

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Dragonflies and damselflies›Skimmers›Erythemis

Last updated 2026-09-26. Every entry is checked against published sources.