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Erythemis collocata

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description Erythemis collocata Overview

Erythemis collocata, commonly called the western pondhawk, is a dragonfly in the family Libellulidae. It occurs in western North America, from southwestern Canada through much of the western United States and into Mexico, and is typically found around ponds, lakes, marshes, and slow water. Mature males are predominantly blue, while females and immature males are green, and both sexes are active predators of smaller flying insects.

help Erythemis collocata FAQ

How can I identify a western pondhawk?

Adult males usually develop a powdery blue coating over much of the body, while females and immature individuals are predominantly green with darker abdominal markings. The species is a medium-sized skimmer dragonfly often seen perching low beside ponds and slow water.

Where is Erythemis collocata found?

The western pondhawk occurs from western Canada through much of the western United States and into Mexico. It uses ponds, marshes, canals, and other still or slow-moving freshwater habitats.

What does a western pondhawk eat?

Western pondhawks are active predators that catch mosquitoes, flies, and other small insects. They may also overpower other dragonflies, making them conspicuous hunters around productive ponds.

Is the western pondhawk the same species as the eastern pondhawk?

No. The western pondhawk is Erythemis collocata, whereas the eastern pondhawk is Erythemis simplicicollis; their ranges approach or overlap in parts of North America, so location and markings both matter.

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