Minnesota Dragonfly

Green-striped Darner

Aeshna verticalis

The Green-striped Darner is a Harlequin or Blue Darner that has a primarily green thorax. It is very similar to the Canada Darner except that the front thoracic stripe is all green and has a shallower notch. The rear thoracic stripe is often blue-green at the top with green below

Identification

Field Marks
  • Average adult size is approximately 3.0 inches
  • Eyes green over brown
  • Face pale green
  • Front thoracic strip is green with shallow notch at the top
  • Front thoracic strip has flag at the top which extends behind and widens at the end
  • Rear thoracic stripe blue-green at the top and green at the bottom
  • Blue abdominal spots
  • Paddle style claspers

Click on photos above for a close-up view.

Field Marks
  • Greener overall than the male
  • Both thoracic stripes green.
  • Rear thoracic stripe has little to no blue
  • Abdominal spots mostly green, possibly blue green on sides
  • Cerci are long and often broken off on mature specimens

Click on photos above for a close-up view.

Similar Species

Canada Darner: These two species are difficult to differentiate between unless you have the specimen in hand. Male Canada Darner's thorax are often blue compared to the green thorax of the Green-striped Darner but this is not always the case. Females of both species are typically mostly green.

Click on the photo to see side by side comparisons of the two species.

Lake Darner: The Lake Darner is slightly larger than the Green-striped Darner. The Lake Darner also has a primarily blue thorax with a deeply notched front stripe compared to the Green-striped which has a predominantly green thorax with a slightly notched front stripe.

Click on the photo to see side by side comparisons of the two species.

Lance-tipped Darner:Green-striped Darners are slightly bigger than Lance-tipped Darners. With a variety of different colored forms and similar shaped thoracic stripes it is difficult to distinguish between the two species especially in flight or from a distance

Click on the photo to see side by side comparisons of the two species.

Natural History

Behavior

Males spend much of their time in flight, patrolling lakeshores and river and stream edges, and catching prey and eating it while flying. They will sometimes join feeding swarms made up of several species of dragonflies. At night they often perch on tree trunks

Habitat

Ponds, small lakes, slow rivers and streams. Often associated with sedges

Reproduction

Mating takes place near water. Female oviposits eggs one at a time in the stems of aquatic vegetation just above or just below the waterline

Range Maps

Click on the icons above for this species' range maps

Click here for county and state checklists from Odonata Central.

Range maps and checklists courtesy of Odonata Central. Copyright © 2016 OdonataCentral. All Rights Reserved. Abbott, J.C. 2006-2018. OdonataCentral: An online resource for the distribution and identification of Odonata. Available at www.odonatacentral.org.