Argia sp. E Coenagrionidae
Tandem pair
Male appendages, dorsal view
MaleFemaleTandem pairMale appendages, dorsal view
Male appendages, lateral view
MaleFemaleMale appendages, lateral viewMale

Male identification:

  • Markings on face and postocular spots blue-gray; a pale bar between the spots.
  • Side of pronotum and antehumeral stripe blue-gray.
  • Mesepimeron blue-gray with a broad black band not reaching posterior end.
  • Metepimeron and metepisternum purple-blue with a thick black stripe over the suture.
  • Pale posterior spot on mesepimeron connected to pale stripe on metepisternum.
  • S3 with a pale dorsal triangle.
  • S8-10 purple-blue on sides and dorsum.
  • Antenodals 3/3.
  • Upper appendage much shorter than lower with a small inner hook.

Female identification:

  • Pale mark on posterior of mesepimeron connected to pale stripe of metespisternum as in male.
  • Ovipositor clearly longer than cerci.

Male abdomen length: 25.0-27.0

Male hind wing length: 18.0-19.0

Female abdomen length: 25.0

Female hind wing length: 18.0-19.0

Local distribution: Eastern foothills, 400 to 1000 m.

Habitat: Small roadside trickles and marshy swamps.

Abundance: Uncommon.

Species range: Ecuador

Updated: 26 July 2013

Credits: Text and images copyright by William Haber and David Wagner, 2013