Pseudophilautus hypomelas is a species of frog in the family Rhacophoridae endemic to Sri Lanka. It is sometimes referred to as the webless shrub frog. In 2004 it was declared extinct by the International Union for Conservation of Nature when, despite extensive field efforts, no specimen had been seen in the wild after the species was described by Albert Günther in 1876. However, this frog was rediscovered in 2010 in the Peak Wilderness, a highly biodiverse area in the Central Highlands of Sri Lanka. Thus, this species had been "lost" for more than 130 years.
Cyclogomphus gynostylus is a species of dragonfly in the family Gomphidae. It is endemic to Sri Lanka. Its natural habitats are rivers, water storage areas, and canals and ditches. It is threatened by habitat loss.
Drepanosticta adami is a species of damselfly in the family Platystictidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Drepanosticta austeni is a species of damselfly in the family Platystictidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Drepanosticta hilaris is a species of damselfly in the family Platystictidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Drepanosticta montana is a species of damselfly in the family Platystictidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Drepanosticta submontana is a species of damselfly in the family Platystictidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Elattoneura caesia is a species of damselfly in the family Platycnemididae known commonly as the jungle threadtail. It is endemic to Sri Lanka, where it is distributed across the central and southern parts of the island. It lives in streams and springs in primary rainforest habitat. It is considered to be vulnerable because of the destruction and degradation of local rainforest habitat.
Elattoneura leucostigma is a species of damselfly in the family Platycnemididae known commonly as the smoky-winged threadtail. It is endemic to Sri Lanka, where it is known from only one location. It has not been found in any recent surveys. It is known from streams in dense forest habitat, and the area has undergone habitat destruction and pollution of local waterways.
Gomphidia pearsoni is a species of dragonfly in the family Gomphidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Heliogomphus ceylonicus is a species of dragonfly in the family Gomphidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Heliogomphus lyratus is a species of dragonfly in the family Gomphidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Heliogomphus nietneri is a species of dragonfly in the family Gomphidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Macrogomphus lankanensis is a species of dragonfly in the family Gomphidae. It is endemic to Sri Lanka. Its natural habitats are rivers and irrigated land. It is threatened by habitat loss.
Mortonagrion is a genus of damselfly in the family Coenagrionidae. It contains the following species:
Tetrathemis yerburii is a species of dragonfly in the family Libellulidae. It is endemic to Sri Lanka. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss.
Indolestes gracilis is a species of damselfly in the family Lestidae. It is known only from Sri Lanka, South India and Cambodia.
Lestes elatus is a species of damselfly in the family Lestidae, the spreadwings. It is known commonly as the emerald spreadwing. It is native to India, Thailand and Sri Lanka.
Elattoneura oculata is a species of damselfly in the family Platycnemididae known commonly as the two-spotted threadtail. It is endemic to Sri Lanka, where it is a rare species known from a few locations in the southern and central parts of the island. It lives along streams in primary rainforest habitat, an ecosystem threatened by habitat destruction and degradation.
Indosticta deccanensis, saffron reedtail is a damselfly species in the family Platystictidae. It is endemic to Western Ghats in India.
