Dark Grass Blue
- Common Name : Dark Grass Blue
- Scientific Name : Zizeeria knysna (Kollar)
- Family : LYCAENIDAE
- Wingspan : 18-24mm
- Colour : Upperside dark blue, underside usually brown, occassionaly brown, spots are rounded and dark.
- Habit : Commonly found in and around garden, wetland, along the forest edges of South Bengal; weak flier, flies very close to ground; often seen basking with its wings half open.
- Larval Host Plants : Oxalis sp. and Leguminosae plants, Strobilanthes sp. etc.
- Location : Throughout West Bengal