Verma, S.C., Sharma, S. and Sharma, P.L. 2019. Spatial distribution of cabbage aphid, <i>Brevicoryne brassicae</i> (L.) and its parasitoid, <i>Diaeretiella rapae</i> (Mc Intosh) under sub-temperate conditions of Himachal Pradesh, India. Journal of Biological Control. 33, 2 (Jul. 2019), 103–108. DOI:https://doi.org/10.18311/jbc/2019/22522.