1. Anon., 1978. Biological agents for pest control, status and prospects. Special Study Team Report, Office of Environmental Quality Activities, US Dept. Agriculture, 138 pp.
2. Estimating parasitism levels in Lygus spp. (Hemiptera: Miridae) field populations using standard and molecular techniques;Ashfaq;Biocontrol Sci. Technol.,2004
3. Hyperparasitism by Mesochorus spp. (Hymenoptera: Ichneumonidae) in Peristenus sp. (Hymenoptera: Braconidae) and development of PCR primers for hyperparasitoid detection;Ashfaq;Biol. Control,2005
4. Barbosa, P., Segarra-Carmona, A., 1993. Criteria for the selection of pest arthropod species as candidates for biological control. In: van Driesche, R.G., Bellows Jr., T.S. (Eds.), Steps in Classical Arthropod Biological Control. Proceedings of the Thomas Say Publications in Entomology, pp. 5–23.
5. Bon, M.C., Ramualde, N., Hoelmer, K., Coutinot, D., 2003. Species-specificity and sensitivity of a PCR-based assay for Peristenus stygicus, a parasitoid of Lygus spp. In: Proceedings of the 1st International Symposium on Biological Control of Arthropods. US Dept. Agriculture, Forest Service Publication 2003-05, pp. 444–448.