California Darner

Rhionaeschna californica

The California Darner is a beautiful dragonfly with bright colors and long wings. It loves to fly over ponds and streams, catching bugs in the air. Watching them zip around is a fun sight!

Habitat: Wetlands

Appearance

The California Darner has a robust body, usually featuring a bright green thorax and a striking blue abdomen, especially in mature males. Its large compound eyes meet at the top of its head, a key feature distinguishing it from other dragonflies, giving it an almost helmeted appearance.

KingdomAnimaliaPhylumArthropodaClassInsectaOrderOdonataFamilyAeshnidaeGenusRhionaeschna

California Darner

Interesting facts

California Darners warm up in the sun by pointing their heads at it, like tiny solar panels!

Dragonflies were among Earth's first winged insects, flying millions of years before dinosaurs!

Their babies, called nymphs, live underwater for years before they finally emerge and fly!

They can hunt with incredible precision, snatching tiny flies right out of the air mid-flight!

Special abilities

California Darner has huge compound eyes that give it almost 360-degree vision, helping them spot tiny prey and predators.

California Darner can move its two pairs of wings independently, allowing it to hover, fly backward, and turn rapidly in mid-air.

California Darner has spiky legs that form a basket to scoop up insects right out of the air while flying at high speed.

Measurements & details

Wingspan: 90-110 mm
Size: 60-80 mm
Lifespan: 30-60 days
Flight Speed: 50 km/h
Leg Count: 6

Diet & Feeding

These expert hunters quickly snatch up other insects in mid-air with their strong jaws.

Age differences: Nymphs hunt aquatic invertebrates and small tadpoles; adults hunt flying insects.

Primary Foods

mosquitoes
flies
midges
gnats
butterflies
moths

Foraging Method

Pursuit

Ecological connections

hunts

Western Encephalitis Mosquito

Culex tarsalis

Adults prey on adult mosquitoes.

eaten by

American Bullfrog

Rana catesbeiana

Adults and nymphs are prey for frogs.

eaten by

Mallard Duck

Anas platyrhynchos

Ducks may eat dragonfly nymphs.

hunts

House Fly

Musca domestica

Adults actively pursue and eat flies.

Traits

Solitary

Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.

Aerial

Aerial creatures spend a significant portion of their lives airborne, utilizing flight for various activities such as hunting, migration, or nesting.

Colorful

Colorful describes organisms or objects displaying a wide range of bright and distinct colors.

Insectivorous

This trait identifies organisms whose diet primarily consists of insects and other small invertebrates.

Wetland

This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.