Disease symptoms occurring in caterpillars of Malacosoma neustria L. (Lepidoptera) infected by some fungi

Zofia Machowicz-Stefaniak

Abstract


The infection of M. neustria<-i> caterpillars by Beauveria bassiana<-i> (Bals.) Vuill., Metarrhizium anisopliae<-i> (Metsch.) Sorok., Paecilomyces farinosus<-i> (Dicks. ex Fr.) Brown et Smith, Verticillium lecanii<-i> (Zimm.) Viegas causes the decrease of their viability, paralysis and mummification of the body. Only in the case of B. bassiana the character distinguishing infection by this fungus are black spots on the surface of the cuticle. The easy development and aboundant spore formation of the above-mentioned hyphomycetous fungi on M. neustria<-i> facilitate the determination of the causes of the disease.

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