Pathogenicity bioassay of entomopathogenic nematode, Steinernema carpocapsae GSN1 strain (Nematoda: Steinernematidae) on the shiitake fungus moth, Morophagoides moriutii (Lepidoptera: Tineidae)

Abstract

Pathogenicity of Steinernema carpocapsae GSN1 strain was evaluated against Morophagoides moriutii larvae. In Petridish tests, insect mortality by the nematode was dose dependent, which increased with dose from 5 to 160 infective juveniles(IJs)/larva. Pathogenicity against fourth-instar larvae was higher than the rate of corresponding second-and third-instar larvae, showing 100% insect mortality with the dose of 40 IJs/4