Insecta · කෘමීන්
17 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Wall’s Grappletail | — | — | Heliogomphus walli | VU | Endemic | |
| Wall’s Shadowdamsel | — | — | Ceylonosticta walli | EN | — | |
| Wandering Glider | — | தேசாந்திரித் தட்டான் | Pantala flavescens | LC | — | |
| Wandering Midget | — | குட்டி ஊசித்தட்டான் | Agriocnemis pygmaea | LC | — | |
| Wandering Pennant | — | — | Macrodiplax cora | LC | — | |
| Water Snow Flat | — | — | Tagiades litigiosa | — | ||
| Western Golden Dartlet | — | — | Ischnura rubilio | LC | — | |
| White Albatross | — | — | Appias albina | — | ||
| White Banded Awl | — | வெள்ளைப் பட்டைத் தாவி | Hasora taminatus | — | ||
| White Four Ring | — | வெள்ளை நால்வளையம் | Ypthima ceylonica | — | ||
| White Hedge Blue | — | — | Udara akasa | — | ||
| White Orange Tip | — | — | Ixias marianne | — | ||
| White Royal | — | — | Pratapa deva | — | ||
| White-Tipped Demon | — | — | Indothemis carnatica | LC | — | |
| White-Tipped Line Blue | — | — | Prosotas noreia | — | ||
| Wijaya’s Scissortail | — | மைக்ரோகோம்பஸ் வைஜயா | Microgomphus wijaya | VU | Endemic | |
| Woodhouse’s Four Lineblue | — | — | Nacaduba ollyetti | Endemic |
