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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2014, Vol. 2, Issue 5
Impact of tachinid parasitoids of gypsy moth (Lymantria dispar) after the natural spreading and introduction of fungal pathogen Entomophaga maimaiga in Serbia

Mara Tabaković-Tošić*, Margarita Georgieva, Zdravko Hubenov, Georgi Georgiev

In 2013, parasitoids of Tachinidae family of Lymantria dispar (L.) were studied in 12 forest stands in four regions in Serbia. Biological material for the investigations was collected in mixed oak and beech stands in which gypsy moth increased in number and where entomopathogenic fungus Entomophaga maimaiga Humber, Shimazu & Soper was established or introduced. A total of 1117 larvae and 814 pupae of L. dispar were collected and analyzed. Host mortality caused by tachinids in different localities varied between 0.7% and 37.1%. A total of 274 tachinid larvae and pupae were reared from gypsy moth larvae and pupae. Out of these, 266 died as pupae, resulting in an extremely high overall mortality of 97.1%. Only eight tachinid adult specimens of 3 species (Compsilura concinnata, Exorista larvarum and Carcelia gnava) emerged from tachinid pupae. E. maimaiga azygospores were observed on the surface of 69.5% but not in internal tissues of the dead pupae. The results of this study support the hypothesis of competition between natural enemies of the pest.
Pages : 262-266 | 1342 Views | 44 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Mara Tabaković-Tošić*, Margarita Georgieva, Zdravko Hubenov, Georgi Georgiev. Impact of tachinid parasitoids of gypsy moth (Lymantria dispar) after the natural spreading and introduction of fungal pathogen Entomophaga maimaiga in Serbia. J Entomol Zool Stud 2014;2(5):262-266.

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