Brady, C., Asplen, M., Desneux, N., Heimpel, G., Hopper, K., Linnen, C., … White, J. (2014). Worldwide populations of the aphid Aphis craccivora are infected with diverse facultative bacterial symbionts. Microbial Ecology, 67(1), 195-204. https://doi.org/10.1007/s00248-013-0314-0