Daher Elissa, Chierici Elena, Urbani Stefania, Cinosi Nicola, Rondoni Gabriele, Servili Maurizio, Famiani Franco, Conti Eric
Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121 Perugia, Italy.
Insects. 2023 Oct 31;14(11):848. doi: 10.3390/insects14110848.
The brown marmorated stink bug, (Stål), is an invasive species causing economic crop losses. This species was recently detected attacking olive fruits. The aim of this study was to characterize feeding damage. Olive samples were initially collected from a field where was reported to cause damage to olive fruits. Hence, we conducted a field trial on the Moraiolo variety using sleeve cages to test the effect of feeding pressure on olive fruit drop and evaluated the effect of feeding on fruit quality. We tested two densities of (two or eight adults/cage) at two different stages of olive development, pre- and post-pit hardening. High pressure of before pit hardening caused a significant fruit drop compared to the control. In addition, chemical analysis of damaged and infested fruits revealed higher levels of total phenols compared to healthy fruits. These findings indicate that feeding by induced a stress response in the plants that could translate in quality variations in the olive drupes.
棕色木蝽（Stål）是一种造成经济作物损失的入侵物种。该物种最近被发现会攻击橄榄果实。本研究的目的是描述取食造成的损害。橄榄样本最初是从一个据报道该物种会对橄榄果实造成损害的田地中采集的。因此，我们在莫拉约洛品种上进行了田间试验，使用套筒笼来测试该物种取食压力对橄榄落果的影响，并评估取食对果实品质的影响。我们在橄榄发育的两个不同阶段，即硬核前和硬核后，测试了该物种的两种密度（每笼两只或八只成虫）。与对照相比，硬核前该物种的高压导致了显著的落果。此外，对受损和受侵染果实的化学分析表明，与健康果实相比，总酚含量更高。这些发现表明，该物种的取食在植物中引发了应激反应，这可能导致橄榄核果的品质发生变化。
