Antagonistic Effects of <i>Delia antiqua</i> (Diptera: Anthomyiidae)-Associated Bacteria Against Four Phytopathogens

Abstract Recent studies have revealed multiple roles of insect-associated microbes such as lignin degradation, entomopathogen inhibition, and antibiotic production. These functions improve insect host fitness, provide a novel source discovering beneficial for industrial agricultural Previously published research found that in the symbiosis formed by dipteran pest Delia antiqua (Meigen) (Diptera: Anthomyiidae) its associated bacteria, bacteria showed effective inhibition one fungal entomopathogen, Beauveria bassiana. The antifungal activity those indicates their potential to be used biocontrol agents phytopathogens. In this study, we first isolated identified with D. using culture-dependent method. Second, tested these against four phytopathogens including Fusarium moniliforme, Botryosphaeria dothidea, two oxysporum strains dual-culture total, 74 species belonging 30 genera, 23 families, eight classes, phyla were identified. Among Ochrobactrum anthropi, Morganella morganii, Arthrobacter sp. 3, Acinetobacter guillouiae significant volatile F. B. both oxysporum, respectively. Moreover, Rhodococcus equi, Leucobacter aridicollis, Paenibacillus Lampropedia contact oxysporum. Our work provides new