Wednesday, September 21, 2016

Sri Lanka Treebrown (Lethe daretis)


English: Sri Lanka Treebrown
Binomial: Lethe daretis

Sri Lanka Treebrown is a endemic species of butterflies restricted to the montane zone of Sri Lanka. Host plants of this butterfly belongs to poaceae family(Bamboo family). Due to that reason, a popular place to observe this butterfly is among the bamboo bushes of Horton National Park. Above photograph was taken at Galway's Land National Park in Nuwaraelya.

Saturday, September 10, 2016

Pruinosed Bloodtail (Lathrecista asiatica asiatica)


English: Pruinosed Bloodtail
Binomial: Lathrecista asiatica asiatica

It is a widespread species of dragonflies found in many countries in the world. In Sri Lanka, the population has been distributed in the lowlands. Above photographed specimen was found in Gilimale area in the Rathnapura district. In the IUCN Red List it is in the category of 'Least Concern'.

Reference:
  • Dragonflies of Sri Lanka - Matjaž Bedjaniè, Karen Conniff, Gehan de Silva Wijeyeratne
  • The IUCN Red List of Threatened Species(tm) 2015-4 - http://www.iucnredlist.org

Sunday, September 4, 2016

Yellow-wattled lapwing (Vanellus malabaricus)


English: Yellow-wattled lapwing
Binomial: Vanellus malabaricus
Sinhala: කහ-යටිමල් කිරළා

Yellow-wattled lapwing is a common bird found in the Indian sub continent. They mainly live in dry areas compared to the Red-wattled lapwing. Females lay eggs in a nest made in the ground. Color of the eggs is light brown and there are blackish-brown spots scattered on the surface. It is 'Least concerned' in the IUCN Red List. Above photographs were taken at Yala National Park in June, 2015.

Saturday, August 27, 2016

Sri Lanka wolf snake (Lycodon carinatus)

Scales are identical in size and keeled.

English: Sri Lanka wolf snake
Binomial: Lycodon carinatus
Sinhala: දාර රදනකයා[Dara Radanakaya]

Sri Lanka wolf snake is an endemic and nocturnal species of snakes found in Sri Lanka. They mainly live in lowland wet and submontane zones and prefer damp forest areas. Above photographed one also found while it was in a wet place of the forest ground. This species is non-venomous. But it greatly mimics deadly venomous Sri Lankan krait in morphology and coloration. This snake has identically sized rough scales on the back and those have been keeled. But Kraits have large hexagonal line of scales running down the spine and the body of the Krait is shiny compared to the Sri Lankan wolf snake.

Referaces: 
  •  L. J Mendis Wickramasinghe: Recognizing Deadly Venomous Snakes form Harmless Snakes of Sri Lanka – Dilmah conservation
  •  Richira Somaweera : Snakes of Sri Lanka[in Sinhala]

Tuesday, August 23, 2016

Cleisostoma tenuifolium


Binomial Name: Cleisostoma tenuifolium

C. tenuifolium is a wild orchid found in lowland wet zone forests of Sri Lanka. In addition to that, the same species has been recorded in India and Thailand. Above photographs were taken at Meethirigala forest reserve in August.

Reference: An Annotated Checklist of the Orchids of Sri Lanka, Samantha Suranjan Fernando and Paul Ormerod

Friday, August 19, 2016

Ana Mia's Shadowdamsel (Ceylonosticta anamia)


English: Ana Mia's Shadowdamsel
Binomial: Ceylonosticta anamia

Ana Mia's Shadowdamsel is an endemic species of damselflies found in the wet zone forests of Sri Lanka. Its orange-yellowish colored prothorax is an easy identification method for this shadowdamsel. Above photographed ones were found in Kalugala and Meethirigala forests.

Reference: Dragonflies of Sri Lanka - Matjaž Bedjaniè, Karen Conniff, Gehan de Silva Wijeyeratne

Sunday, August 14, 2016

Plum Judy (Abisara echerius)


English: Plum Judy
Binomial: Abisara echerius

Plum Judy is a butterfly belongs to Riodinidae and they have been distributed in many Asian countries including Sri Lanka. This butterfly is always found in the forest and common in lower elevations.