Purple Bush-Bean Macroptilium atropurpureum (Fabaceae): a new larval host plant for Euchrysops cnejus (Fabricius) (Lepidoptera: Lycaenidae) in South Asia

Purple Bush-Bean Macroptilium atropurpureum, an introduced perennial legume, native to the Americas, is recorded here as a new host plant for the common South Asian Lycaenid Euchrysops cnejus (Fabricius) in India. Butterflies were observed laying eggs on the new flower buds, and caterpillars feeding on flower buds and leaves of Macroptilium atropurpureum.