Original scientific paper

https://doi.org/10.17971/ec.20.1.4

Damages caused by the metallic wood-borinig beetle (Coleoptera, Buprestidae: Perotis lugubris fabricius 1777) and use of entomopathogenic fungi as potential biocontrol agent

Tihomir Validžić orcid.org/0000-0001-9396-4789 ; Ministry of Agriculture, Bizovac, Osijek, Croatia
Mladen Šimala orcid.org/0000-0001-7281-0924 ; Croatian Agency for Agriculture and Food, Zagreb, Croatia
Ankica Sarajlić orcid.org/0000-0002-9194-2786 ; University of Osijek, Faculty of Agrobiotecnical Sciences Osijek, Osijek, Croatia
Mirela Varga ; University of Osijek, Faculty of Agrobiotecnical Sciences Osijek, Osijek, Croatia
Emilija Raspudić orcid.org/0000-0002-7959-8062 ; University of Osijek, Faculty of Agrobiotecnical Sciences Osijek, Osijek, Croatia
Ivana Majić ; University of Osijek, Faculty of Agrobiotecnical Sciences Osijek, Osijek, Croatia

Abstract

The first occurence of the metallic wood-boring beetle Perotis lugubris in the area of Eastern Slavonia, and damages in plum, cherry and hazel plantations are reported by this study. Morphological characteristics and parameters of male genitalia and insect antennae were evaluated to identify the pest. The effectiveness of a commercial biological insecticide based on the entomopathogenic fungus Beauveria bassiana against the metallic wood-boring beetle adults was investigated under the laboratory condition. According to the insect morphological characteristics, the metallic wood-boring beetle was identified as subspecies P. lugubris lugubris, but detailed morphometric studies are required to confirm this finding. The critical population abundance of the metallic wood-boring beetle has not been investigated so far, but in our study four pest adults per one seedling of stone fruit did 100% damage to the buds. The metallic wood-boring beetle is susceptible to B. bassiana, considering that after one treatment with a biological agent, mortality was achieved in 60% of insects. From 5 to 7 days after the treatment, the appearance of B. bassiana mycelium on cadavers was noticed. is important for the potential horizontal transmission of the fungus to a new insect hosts.

Keywords

Perotis lugubris lugubris; tresholds; biological insecticide; Beauveria bassiana; efficacy

Hrčak ID:

269580

URI

https://hrcak.srce.hr/269580

Publication date:

29.12.2021.

Article data in other languages: croatian

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