SHERA, P.S. et al. 2017. On-farm impact of egg parasitoid, Trichogramma chilonis against maize stem borer, Chilo partellus in Punjab. The Indian Journal of Agricultural Sciences. 87, 10 (Oct. 2017), 1412–1415. DOI:https://doi.org/10.56093/ijas.v87i10.75062.