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Guy Smagghe
Ghent University
712Publications
53H-index
16.3kCitations
Publications 709
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#1Luo-Luo Wang (UGent: Ghent University)H-Index: 4
#2Ivan Meeus (UGent: Ghent University)H-Index: 19
Last.Guy Smagghe (UGent: Ghent University)H-Index: 53
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Bee pollinators are exposed to multiple natural and anthropogenic stressors. Understanding the effects of a single stressor in the complex environmental context of antagonistic/synergistic interactions is critical to pollinator monitoring and may serve as early warning system before a pollination crisis. This study aimed to methodically improve the diagnosis of bee stressors using a simultaneous untargeted and targeted metabolomics-based approach. Analysis of 84 Bombus terrestris hemolymph sampl...
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#1Pedro F.S. Toledo (UFV: Universidade Federal de Viçosa)
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Abstract Plant essential oils are regarded as interesting alternative tools to be integrated into the management of pest insects. However, as they generally consist of mixtures of numerous molecules, the physiological basis for their action is unresolved. Here, we evaluated the effects of essential oil of the Neotropical plant Siparuna guianensis Aubl., commonly known as Negramina, against an important pest insect: the green peach aphid Myzus persicae (Sulzer), and also in two non-target natural...
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#1Bart Broeckx (UGent: Ghent University)H-Index: 6
#2Lina De Smet (UGent: Ghent University)H-Index: 18
Last.Dirk C. de Graaf (UGent: Ghent University)H-Index: 29
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Host-parasite co-evolution history is lacking when parasites switch to novel hosts. This was the case for Western honey bees (Apis mellifera) when the ectoparasitic mite, Varroa destructor, switched hosts from Eastern honey bees (Apis cerana). This mite has since become the most severe biological threat to A. mellifera worldwide. However, some A. mellifera populations are known to survive infestations, largely by suppressing mite population growth. One known mechanism is suppressed mite reproduc...
2 CitationsSource
#1Kevin Maebe (UGent: Ghent University)H-Index: 7
#2Reet KariseH-Index: 9
Last.Guy Smagghe (UGent: Ghent University)H-Index: 53
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Several population genetic studies investigated the extent of gene flow and population connectivity in bumblebees. In general, no restriction in gene flow is considered for mainland populations of common bumblebee species. Whether this assumption holds true for all species is not known. An assessment of bumblebee genetic structure in the context of their geographic distribution is needed to prioritize conservation and management needs. Here, we conducted a genetic study on seven bumblebee specie...
1 CitationsSource
#1Kleber de Sousa Pereira (UGent: Ghent University)H-Index: 1
#2Ivan Meeus (UGent: Ghent University)H-Index: 19
Last.Guy Smagghe (UGent: Ghent University)H-Index: 53
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The trade of bumble bees started in the early nineties for pollinator-dependent greenhouse plants. Nowadays, its rearing and transport have received public attention, since managed bees can transfer pathogens to wild bee populations. Therefore, guaranteeing pathogen-free bumble bees is fundamental. The major protein source used in rearing facilities is honey bee-collected pollen. This can carry pathogens, however to date, solid data on the risk of this food source to the health of bumble bees is...
1 CitationsSource
#1San‐Yuan Ma (SWU: Southwest University)H-Index: 2
#2Guy Smagghe (UGent: Ghent University)H-Index: 53
Last.QingyouXia (SWU: Southwest University)H-Index: 41
view all 3 authors...
3 CitationsSource
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#1Sinue I. Morales (UMSNH: Universidad Michoacana de San Nicolás de Hidalgo)H-Index: 1
#2Ana Mabel Martínez (UMSNH: Universidad Michoacana de San Nicolás de Hidalgo)H-Index: 7
Last.Samuel Pineda (UMSNH: Universidad Michoacana de San Nicolás de Hidalgo)H-Index: 11
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Abstract A greenhouse study was conducted to investigate the degradation kinetics of spinosad, flufenoxuron, dimethoate and imidacloprid in tomato ( Solanum lycopersicum L.) foliage and their residual toxicity on Engytatus varians (Distant) (Hemiptera: Miridae), a predator of the tomato psyllid Bactericera cockerelli (Sulcer) (Hemiptera: Triozidae). Insecticides were sprayed at 100% and 50% of their maximum field-registered concentrations (MFRC). Starting 6 h after spraying, leaf samples were ta...
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#1Hanne Vissenaekens (UGent: Ghent University)H-Index: 4
#2Charlotte Grootaert (UGent: Ghent University)H-Index: 13
Last.John Van Camp (UGent: Ghent University)H-Index: 41
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Abstract As the interface between the luminal and internal environment, the intestinal epithelium is strongly exposed to food-related, host-related and microbial stress. Furthermore, the endothelial stress response plays an important role in vascular disease development, which may be improved upon consumption of dietary bioactives such as polyphenols. The impact of the latter, however, is largely individual-dependent and effects are, in most cases, only observed under mild diseased conditions. H...
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#1Maxime Eeraerts (UGent: Ghent University)H-Index: 2
#2Guy Smagghe (UGent: Ghent University)H-Index: 53
Last.Ivan Meeus (UGent: Ghent University)H-Index: 19
view all 3 authors...
Abstract Declines of pollinator diversity are causing concern about pollination service security for agriculture and natural ecosystems. Landscape composition has been found to regulate the diversity of pollinator communities and their corresponding pollination services in agricultural fields, with previous research concluding positive effects of semi-natural habitat or negative effects of intensive agriculture. In our study we assessed pollinator diversity and pollination services in sweet cher...
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