Hu, Gao ORCID: 0000-0002-1000-5687 , Stefanescu, Constanti ORCID: 0000-0001-8952-7869 , Oliver, Tom H., Roy, David B. ORCID: 0000-0002-5147-0331 , Brereton, Tom, Van Swaay, Chris ORCID: 0000-0003-0927-2216 , Reynolds, Don R. ORCID: 0000-0001-8749-7491 and Chapman, Jason W. (2021) Environmental drivers of annual population fluctuations in a trans-Saharan insect migrant. Proceedings of the National Academy of Sciences, 118 (26):e2102762118. ISSN 0027-8424 (Print), 1091-6490 (Online) (doi:https://doi.org/10.1073/pnas.2102762118)