Dark Cerulean (Jamides bochus bochus)

Common butterfly of all the year round in all over the island, especially in South. It is a migratory butterfly and Ormiston has recorded that “It often flights in great numbers and these flights are usually composed of dwarf specimens” (Ormiston W. 1924). Males sometimes settle on wet patches on roads to absorb minerals. Its larva feeds on Centrosema plumieri,  Senna occidentalis (පැණි තෝර/Coffee Senna/Coffee Weed), Acacia auriculiformis (Earpod wattle), Cajanus cajan (රට තෝර/Dhal/Pigeon Pea/Chick Pea/Red Gram), Canavalia cathartica (මූදු අවර/වල් අවර), Clitoria ternatea (නිල් කටරොළු/Blue butterfly pea/Butterfly bean),  Crotalaria micans (Caracas rattle box), Derris scandens (කල වැල්), වල් උඳු (Flemingia macrophylla), Gliricidia sepium (කෝන/Mexican Lilac), Lablab purpureus, Macrotyloma uniflorum, Derris elliptica, Phaseolus vulgaris,  Pongamia pinnata (මඟුල් කරඳ/ගල් කරඳ/කරඳ/Indian Beech/Mullikulam Tree), Pterocarpus indicus, Neustanthus phaseoloides, Sesbania grandiflora (කතුරු මුරුංගා/Agati/Vegetable hummongbird), Tephrosia candida, Tephrosia vogelii (Vogel's tephrosia), Vigna radiata (මුං/මුං ඇට/බූ මෑ/Green gram/Jerusalem pea/Mung bean),  Vigna unguiculata (මෑ කරල්/ ලී මෑ/වඳුරු මෑ/Black-eye Bean/Cowpea) and Centrosema pubescens (Butterfly-pea).

Common sailor (Neptis hylas varmona)

Very common butterfly flying throughout the year and abundant in everywhere of the island. It takes part in migrations. Larva feeds on

• Calopogonium mucunoides (Calopo)
• Desmodium heterocarpon (ඇත් උඳුපියලිය/Asian ticktrefil)
• Grona heterophylla (මහ උඳුපියලි/Spanish clover)
• Desmodium tortuosum
• Glycine max
• Phyllodium pulchellum
• Tadehagi triquetrum (බා‍‍‍ලොලියා)
• Vigna radiata (මුං/මුං ඇට/බූ මෑ/Green gram/Jerusalem pea/Mung bean)
• Pityranthe verrucosa
• Helicteres isora (ලීනිය)
• Sterculia zeylanica
• Mitragyna parvifolia (හැළඹ)
•  Celtis philippensis (මැදිතැල්ල) 
• Celtis timorensis (ගූරැන්ද/බූරැන්ද)
• Trema orientale(ගැඩුඹ/Charcoal Tree)
• Aeschynomene americana (Thornless mimosa)
• Arachis pintoi (Perennial peanut/Pinto peanut)
• Bauhinia purpurea (රත් කොබෝලීල/Purple orchid tree)
• Cassia fistula (ඇහැළ/Indian Laburnum/Shower of Gold)
• Centrosema pubescens (Butterfly-pea)
• Clitoria ternatea (නිල් කටරොළු/Blue butterfly pea/Butterfly bean)
• Codariocalyx motorius
• Dalbergia pseudo-sissoo (බඹර වැල්)
• Desmodium pryonii
• Pseudarthria viscida (ගස් ගොනික)
• Psophocarpus tetragonolobus
• Neustanthus phaseoloides
• Senna alata (රට තෝර/Candle bush/Candle stick/Rinworm shrub)
• Vigna hosei
• Vigna unguiculata (මෑ කරල්/ ලී මෑ/වඳුරු මෑ/Black-eye Bean/Cowpea)
• Nothapodytes nimmoniana
• Grewia bracteata
• Grewia damine (දමිණිය)
• Grewia helicterifolia (බොරු දමිණිය)
• Grewia orientalis (වැල් කෑලිය/වැල් මැදිය)
• Triumfetta pentandra (ඇපල/කපු කිනිස්ස)
• Urena lobata (පට්ට ඇපල/ඇපල/Caesar weed/Bur mallow)
• Gouania microcarpa
• Ventilago madraspatana (යකඩ වැල්)
• Wendlandia bicuspidata (රාවන් ඉදල/වන ඉදල/රත් වැනිදල)
• Microcos paniculata (කෑලිය/කොහුකිරිල්ල)
• Berrya cordifolia (Trincomalee wood/හල්මිල්ල)
• Erythrina fusca

Butterfly-pea (Centrosema pubescens)

An introduced twining vine native to tropical America, now naturalized and occurs along roads, waste places etc, probably throughout the island. Flowering from April, September to October and January.