Insecta · කෘමීන්
59 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Scalloped Spreadwing | — | — | Lestes decipiens | — | ||
| Scarce Shot Silverline | — | — | Cigaritis elima | — | ||
| Scarlet Adjutant | — | — | Aethriamanta brevipennis | LC | — | |
| Scarlet Basker | — | — | Urothemis signata | LC | — | |
| Scarlet Skimmer | — | — | Crocothemis servilia | LC | — | |
| Serendib Forestdamsel | — | — | Platysticta serendibica | VU | Endemic | |
| Shining Gossamerwing | — | — | Euphaea splendens | LC | Endemic | |
| Shiva Sunbeam | — | — | Curetis siva | — | ||
| Silver Forget-Me-Not | — | — | Catochrysops panormus | — | ||
| Silverstreak Blue | — | — | Iraota timoleon | — | ||
| Singalese Hedge Blue | — | — | Udara singalensis | Endemic | ||
| Sinhalese Five Ring | — | — | Ypthima singala | Endemic | ||
| Sinuate Clubtail | — | — | Burmagomphus pyramidalis | LC | — | |
| Slate Flash | — | — | Rapala manea | — | ||
| Slender Blue Skimmer | — | — | Orthetrum luzonicum | LC | — | |
| Slender Skimmer | — | — | Orthetrum sabina | LC | — | |
| Small Branded Swift | — | வயல் தாவி | Pelopidas mathias | LC | — | |
| Small Cupid | — | சிறிய மன்மத நீலன் | Chilades parrhasius | — | ||
| Small Leopard | — | — | Phalanta alcippe | — | ||
| Small Palm Bob | — | — | Suastus minutus | — | ||
| Small Salmon Arab | — | வெளிர்சிவப்பு வெள்ளையன் | Colotis amata | — | ||
| Smaller Dartlet | — | — | Oriens goloides | — | ||
| Smoky-Winged Threadtail | — | — | Elattoneura leucostigma | EN | Endemic | |
| Smooth-Eyed Bushbrown | — | மிருதுக் கண் புதர்ப் பழுப்பு | Orsotriaena medus | — | ||
| Sombre Lieutenant | — | — | Brachydiplax sobrina | LC | — | |
| Southern Duffer | — | — | Discophora lepida | — | ||
| Spot Swordtail | — | கத்திவால் அழகி | Graphium nomius | — | ||
| Spotless Grass Yellow | — | — | Eurema laeta | — | ||
| Spotted Joker | — | — | Byblia ilithyia | LC | — | |
| Spotted Pierrot | — | தாருகசு கேலினாரா | Tarucus callinara | — | ||
| Sri Lanka Black Flat | — | — | Celaenorrhinus spilothyrus | — | ||
| Sri Lanka Blurry Forestdamsel | — | — | Platysticta maculata | EN | Endemic | |
| Sri Lanka Brook Hooktail | — | — | Paragomphus henryi | NT | Endemic | |
| Sri Lanka Cruiser | — | — | Macromia zeylanica | CR | Endemic | |
| Sri Lanka Dark Forestdamsel | — | — | Platysticta apicalis | VU | Endemic | |
| Sri Lanka Forktail | — | — | Macrogomphus lankanensis | NT | Endemic | |
| Sri Lanka Lowland Hooktail | — | — | Paragomphus campestris | LC | — | |
| Sri Lanka Metallic-Backed Reedling | — | — | Indolestes divisus | VU | Endemic | |
| Sri Lanka Midget | — | — | Mortonagrion ceylonicum | EN | Endemic | |
| Sri Lanka Nobel Shadowdamsel | — | — | Ceylonosticta digna | EN | — | |
| Sri Lanka Pied Flat | — | — | Coladenia tissa | — | ||
| Sri Lanka Red-Striped Threadtail | — | — | Elattoneura tenax | VU | Endemic | |
| Sri Lanka Rivulet Tiger | — | — | Gomphidia pearsoni | VU | Endemic | |
| Sri Lanka Sabretail | — | — | Megalogomphus ceylonicus | VU | Endemic | |
| Sri Lanka Treebrown | — | — | Lethe daretis | Endemic | ||
| Sri Lanka Two-Spotted Threadtail | — | — | Elattoneura oculata | VU | Endemic | |
| Sri Lanka Yerbury’s Elf | — | — | Tetrathemis yerburii | VU | Endemic | |
| Sri Lankan Birdwing | මහ කුරුලු පිය පැපිලියා | இலங்கை அழகி | Troides darsius | LC | Endemic |
