Ceylonosticta alwisiCeylonosticta alwisi, or Alwis's shadowdamsel, is a species of damselfly in the family Platystictidae. It is endemic to Sri Lanka, which was found recently from Samanala Nature Reserve, Ratnapura.EtymologyThe species name alwisi was named as an honor for Lyn De Alwis, who is the founder of the Young Zoologists’ Association, Sri Lanka in 1972, and former director of the National Zoological Garden, Dehiwala.