Abstract
The brown marmorated stink bug, Halyomorpha halys (Stål, 1855) (Hemiptera: Pentatomidae), is an invasive harmful pest species due to its economic losses. Its wide host range and continuous movement make its control difficult with insecticides. Biological control has recently gained importance due to the negative aspects of chemical control. The study evaluated the biological control tools by testing the entomopathogens against the pest by 11 bacteria strains and 1 fungal isolate. Brevibacillus, Bacillus, Pantoea, Vibrio, Pseudomonas, and Beauveria were tested against the nymphs of H. halys under controlled conditions. All applied entomopathogens had potentials for controlling H. halys. Mortality rates of 75 and 100% were obtained by the bacteria strains and 76.19% by the fungus, B. bassiana. Successfully reaching a 100% control rate, the bacterial isolates of the Bacillus cereus GC subgroup B and Pantoea agglomerans GC subgroup were recorded to have a greater potential than the others.
Highlights
The brown marmorated stink bug, Halyomorpha halys (Stål, 1855) (Hemiptera: Pentatomidae) is a polyphagous pest that has more than 300 host plants
This study aimed to evaluate the potentials of some entomopathogens such as B. thuringiensis kurstaki, Bacillus atrophaeus, Bacillus sphaericus, Bacillus cereus, Pantoea agglomerans, Pseudomonas flourescens, Vibrio
Beauveria bassiana ET 10 fungal isolate that was available in the Mycology Laboratory of the Atatürk University, Faculty of Agriculture, Plant Protection Department and kept in tubes containing Potato Dextrose Agar (PDA; Difco) after isolation the Sphenoptera antiqua (Illiger) larvae, a pest of sainfoin (Onobrychis sativa L. (Fabacea)), was investigated (Table 1)
Summary
The brown marmorated stink bug, Halyomorpha halys (Stål, 1855) (Hemiptera: Pentatomidae) is a polyphagous pest that has more than 300 host plants. It is originated from East Asia (Rider 2006). It was identified as a new invasive species in the USA in 2001 (Hoebeke and Carter, 2003) and widely populated in several countries worldwide (Haye et al 2015). Göktürk and Tozlu (2019) reported that they identified the species in 2016 in the coasts of the Black Sea. The damage caused by H. halys is known by its feeding on various plant species worldwide including economically important plants (Kuhar et al 2012 and Rice et al 2014). The pest is known spreading certain plant diseases (Bernon et al 2004)
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