Ahmad, M. et al. 2001. First Record of Coccinellid Beetles (Coleoptera: Coccinellidae) on Poplar, <I>Populus deltoides</I> from North India. Indian Forester. 127, 8 (Aug. 2001), 891–896. DOI:https://doi.org/10.36808/if/2001/v127i8/2918.