Eastern Pondhawk vs Pacific Seashore Rove Beetle

Side-by-side species comparison

Attribute Eastern Pondhawk Pacific Seashore Rove Beetle
Scientific Name Erythemis simplicicollis Cafius canescens
Order Odonata Coleoptera
Family Libellulidae Staphylinidae
Size 55-63 mm wingspan 5-7 mm
Habitat Ponds & Lakes Beaches & Coastal
Diet Predators Predators
Regions North America, Central America Pacific coast of North America, Hawaii
Conservation Least Concern Least Concern

Eastern Pondhawk

A robust skimmer dragonfly where mature males are powdery blue and females are vivid green. It is an aggressive predator that ambushes prey from low perches.

💡

Did You Know?

Eastern pondhawks are fierce predators that regularly attack and eat other dragonflies, including species larger than themselves.

Pacific Seashore Rove Beetle

A small, grayish-pubescent rove beetle found along the Pacific coast of the Americas under kelp and seaweed deposits. It is an important predator of seaweed fly larvae on beaches.

💡

Did You Know?

This species has colonized the remote Hawaiian Islands, likely arriving on floating mats of kelp and seaweed across the Pacific Ocean.