A survey on the entomopathogens ofHeteropsylla cubanain Baybay and Villaba, Leyte was conducted from May 1986 to June 1987. Among the entomogenous fungi collectedEntomoph‐thorasp. andFusariumsp. were the most prevalent, followed byPaecilomyces farinosusandHirsutella citriformis.Although epizootics often occurred in ViSCA, these were never observed in Villaba. Possible factors influencing the incidence of psyllid diseases in the two areas are discussed.