Analysing the European genera of family Lestidae (Odonata: Zygoptera) with special emphasis on the status of Chalcolestes based on the morphological characteristics of male adults

Lestidae is a heterogeneous family with more than 150 species worldwide. There are many debates concerning its resolution. One of them is whether the genus Chalcolestes should be recognized as a genus or considered as a synonym of Lestes. We compared male characteristics of eight Hungarian species of three genera (Lestes, Chalcolestes and Sympecma) of…

A new species of Ceylonosticta Fraser, 1931 (Odonata: Zygoptera: Platystictidae) from Sri Lanka

A new species of Ceylonosticta from the wet zone of Sri Lanka is described and illustrated, namely Ceylonosticta goodalei sp. nov. (Kuruwita-Erathana foot path, Seethagangula, Adam’s Peak, Samanala Nature Reserve, Ratnapura, 6.8196°N, 80.4615°E, 1109 m asl). The species is described from male specimens only and the genital ligula is described and illustrated. Females are as…