Description: English: Rhyothemis triangularis female. Date: 2 April 2015, 09:19:36. Source: : This image is uploaded from observation number 1731522 at India Biodiversity Portal, a source of nature observations in India. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information.. Author: Bala Chandran.