Entomopathogenic fungus Entomophaga aulicae as agents in classic biological control of browntail moth in some broadleaf forest in Serbia

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Entomopathogenic fungus Entomophaga aulicae as agents in classic biological control of browntail moth in some broadleaf forest in Serbia

Description

Abstract: In some forest areas of Central Serbia, the entomopathogenic fungus Entomophaga aulicae was first discovered in 2015. In the literature, this species is referred as entomopathogen of browntail moth larvae, and there is no data about its pathogenicity for other development stages, primarily for pupae.The studies were conducted during the growing season in the period 2015-2016, in some broadleaved forests in Novi Pazar region. A detailed quantitative and qualitative analysis of sampled browntail moth Euproctis chrysorrhoea caterpillars litters were conducted at the laboratory of the Institute of Forestry. In the litters, there were an average of 9.7 pupae, of which 15% were alive, 23% were parasites by species from order Diptera, and 62% dead (causing ocular invisible). By the detailed microscope survey of the causes of the mortality of the browntail moth pupae, the presence of hyphal bodies, primary conidia and resting spores of the entomopathogenic fungus E. aulicae were confirmed in them. As entomopathogenic fungus on two development stages of the host, larvae and pupae, presented results indicate that E. aulicae is a promising microbial control agent against the browntail moth in some broadleaf forests and orchards in central part of Serbia.

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