In the laboratory, the 3rd and the 4th instars of the larva were inoculated with an entomogenous fungus, Paecilomyces javanicus which gave 65% and 60% pathogenicty respectively.

• 又于室内以虫生真菌作接种试验，获知爪哇拟青霉菌对其第3龄与第4龄幼虫之感病率分别为65%25及60%25。