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Yellow-tailed Ashy Skimmer

Sept. 29, 2025

At the Yamuna Biodiversity Park, Yellow-tailed Ashy Skimmer (Potamarcha congener) has been recorded for the first time during a recent Dragonfly survey in Delhi.

About Yellow-tailed Ashy Skimmer:

  • It is a species of dragonfly in the family Libellulidae.
  • Scientific Name: Potamarcha congener
  • It is one of two species in its group, called Potamarcha. The other species is Potamarcha puella.
  • It is also known as the common chaser, or swampwatcher.
  • Distribution: It is common through much of its range, which stretches through parts of South Asia, Southeast Asia, and Oceania, including in countries such as India, Indonesia, China, Australia, and Vietnam.
  • Features:
    • It is a medium-sized
    • Its body is bluish-black near the head.
    • Its tail is yellow with black marks.
    • The face of this dragonfly can be yellowish-green to dark brown.
    • Its eyes are reddish-brown on to They are bluish-grey underneath.
    • Male Dragonflies: Adult males have a bluish powder-like coating. This covers their upper body and the first part of their abdomen.
    • Female Dragonflies: Females have yellow and black stripes on their sides. Their abdomen is black with dull orange marks.
    • It can fly backward, showcasing incredible aerial agility uncommon in other flying insects.
  • Conservation Status:
    • IUCN Red List: Least Concern.

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