Narayanan, K. 1985 Role of entomopathogens in pest management system for horticultural crops.. Microbial Control and Pest Management. Centre for Plant Protection Studies, Tamil Nadu Agricultural University Coimbatore, India 278 pp.

Notes: Natural occurrence of Verticillium lecanii has been reported on citrus soft-green scale, Coccus viridis and citrus brown scale, Saissetia coffeae. Field trials have been conducted using Verticillium lecanii against Coccus viridis on Coorg mandarin and mixed plantation orchards (coffee + citrus). Verticillium lecanii has been shown effective against guava scale Pulvinaria psidii.