“…In agricultural crops, entomopathogenic fungi applied to foliage may be affected not only by sunlight exposure but also by rain, temperature variation, humidity, leaf surface chemistry, and phylloplane microbiota (see Jaronski 2010). On parasiteinfested livestock, in addition to the environmental factors noted above, the efficacy of topically applied fungal products may challenge the host-skin environment, with special consideration to the skin temperature, pH, secretions, sweat (with many components such as a wide range of ions), and skin microflora (Polar et al 2008;Fernandes et al 2012). Therefore, screening for promising fungal strains and formulating them for their tolerance to UV is just one of the basic important factors to be considered before evaluating the efficacy of the formulation in complex field experiments for pest control.…”