Smoky-winged Threadtail (Elattoneura leucostigma)

An endemic very rare damselfly inhabiting small streams of montane forests and marshlands in the central hills. 

Green Pergesa Hawkmoth (Pergesa acteus)

Location - Polgasowita
Wing expanse - 6 to 7 cm
Food Plants - Elephant Ear/Caladium bicolor (Sujeeva Gunasena, Personal communication), පණු අල /Typhonium trilobatum (Moore F., 1882-3)
Life Cycle - https://www.facebook.com/kamanijeeva/media_set?set=a.1299671540099821&type=3
Reference - The Lepidoptera of Ceylon - F. Moore, F.Z.S. Vol 2 Page 23.
External Links - https://www.inaturalist.org/taxa/322014-Pergesa-acteus

කොක්මොට[Kokmota] (Eriocaulon sexangulare [Syn: Eriocaulon fergusonii)

An indigenous perennial herb of low country swampy places. Flowering from September to June. 

Drooping Shadowdamsel (Ceylonosticta lankanensis)

Commonest Shadowdamsel of Sri Lanka occurs from lowlands to mid-hills of southwestern part of the country in both forested steams as well as the disturbed habitats. It is also endemic to the island as all other Shadowdamsels. 

Dark Forestdamsel (Platysticta apicalis)

Locally common insect inhabiting streams and rivulets of southwestern and central forested areas from lowlands to mid-hills. It occurs mainly during April to September. (Bedjanic, M., K. et. al. 2014)

Dark Knob-tipped Shadowdamsel (Ceylonosticta montana)

An endemic damselfly occurs in small streams and seeps of the montane forests from 1000 to 2000 m elevations. 

Adam's Shadowdamsel (Ceylonosticta adami)

Adam's Shadowdamsel is one of the rarest endemic damselfly so far recorded only from few localities of the Knuckles range and its outskirts in the north-central part of the country . It was originally described from specimens collected from Madugoda near Urugalla in 1932 by F.C. Fraser.  After more than seven decades Karen Conniff observed and photographed it in Simpson's forest near Hunnasfalls in April 2006 and again in October 2007 and 2010. Karen Conniff and Matjaz Bedjanic observed a single juvenile female near Urugalla in end of May 2009. Matjaz Bedjanic also reported it from two streams in Simpson's forest in October 2012. Above pictures were taken at Dothalugala Camp Site area of the Knuckles mountain range.

Serendib Forestdamsel (Platysticta serendibica)

Common endemic damselfly inhabiting small streams in secondary and primary forests as well as the degraded habitats of the central and southwestern parts of the country. Much common in the wet low country but occurs also up to about 1000 m a.s.l. in the hills.