Blue Dasher

What it is

The blue dasher (Pachydiplax longipennis) is a dragonfly of the skimmer family. It is the only species in the genus Pachydiplax. It is very common and widely distributed through North America and into the Bahamas.

Where and when to find it

Habitat

You can find them all over the US near still or slow-moving water, like ponds, lakes, marshes, and ditches.

How to find it

Look for them flying low over the water or perched on a stick, reed, or lily pad near the edge. They are usually easy to spot because of their bright colors.

Best time of day

Warm, sunny days, especially from late morning to late afternoon. Active from late spring to early fall.

How it lives

What it eats

Mosquitoes, flies, gnats, and other small flying insects.

What eats it

Birds, frogs, fish, large spiders, and other dragonflies.

Worth knowing

• Males are bright blue, but females are yellow with black stripes.
• They are one of the most common dragonflies in North America.
• Dragonflies have excellent eyesight, with nearly 360-degree vision.
• Young Blue Dashers (larvae) live underwater and eat tiny creatures.
• They are very territorial and males will chase off other dragonflies from their spot.
• Their wings can beat up to 30 times a second.

Why it matters

Blue Dashers help control mosquito and other insect populations. They also serve as food for birds and larger creatures.