Sengupta, Jayita, et al. “How Altitudinal Gradient Affecting Distributional Pattern of Pollinating Hover Flies Along the Agro-Climatic Zones of Himachal Pradesh, India”. Records of the Zoological Survey of India, vol. 123, no. 4, Sept. 2024, pp. 377-89, doi:10.26515/rzsi/v123/i4/2023/172388.