Thomas Van Leeuwen
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View article: Is the CncC/Keap1 complex a major factor in conferring pesticide resistance in arthropods? - A critical review
Is the CncC/Keap1 complex a major factor in conferring pesticide resistance in arthropods? - A critical review Open
The CncC/Keap1 signalling pathway regulates antioxidant and detoxification gene expression in arthropods and is frequently associated with metabolic insecticide resistance. This review critically assesses evidence for its role in resistanc…
View article: Population genomics reveal multiple independent origins of pesticide resistance in the polyphagous pest, Tetranychus urticae
Population genomics reveal multiple independent origins of pesticide resistance in the polyphagous pest, Tetranychus urticae Open
View article: Over-expression and increased copy numbers of a cytochrome P450 and two UDP-glucuronosyltransferase genes in macrocyclic lactone resistant Psoroptes ovis of cattle
Over-expression and increased copy numbers of a cytochrome P450 and two UDP-glucuronosyltransferase genes in macrocyclic lactone resistant Psoroptes ovis of cattle Open
Psoroptes ovis is a mite species that feeds on sheep, cattle, other ungulates, rabbits, and horses, which can develop into a severe exudative dermatitis known as psoroptic mange. The macrocyclic lactone (ML) family of acaricides are common…
View article: Over-expression and increased copy numbers of a cytochrome P450 and two UDP-glucuronosyltransferase genes in macrocyclic lactone resistant<i>Psoroptes ovis</i>of cattle
Over-expression and increased copy numbers of a cytochrome P450 and two UDP-glucuronosyltransferase genes in macrocyclic lactone resistant<i>Psoroptes ovis</i>of cattle Open
Psoroptes ovis is a mite species that feeds on sheep, cattle, other ungulates, rabbits, and horses, which can develop into a severe exudative dermatitis known as psoroptic mange. The macrocyclic lactone (ML) family of acaricides are common…
View article: The Iolinid Mite Pronematus Ubiquitus Controls a Key Tomato Pest and Pathogen by Both Predation and Induction of Specific Plant Defenses
The Iolinid Mite Pronematus Ubiquitus Controls a Key Tomato Pest and Pathogen by Both Predation and Induction of Specific Plant Defenses Open
View article: Knockout of nAChR subunits in spider mites and their phytoseiid predators confers spinosyn cross-resistance and reveals a conserved mode of action in mites
Knockout of nAChR subunits in spider mites and their phytoseiid predators confers spinosyn cross-resistance and reveals a conserved mode of action in mites Open
View article: Independent Genetic Mapping Experiments Identify Diverse Molecular Determinants of Host Adaptation in a Generalist Herbivore
Independent Genetic Mapping Experiments Identify Diverse Molecular Determinants of Host Adaptation in a Generalist Herbivore Open
Interactions between plants and herbivores promote evolutionary change. Studying the evolution of herbivore mechanisms aimed to cope with different host plant species is a critical intersection between evolutionary biology and sustainable …
View article: Redescription of Homeopronematus anconai (Baker) (Acari, Iolinidae) and description of Quasihomeopronematus nordestinus n. gen. n. sp.
Redescription of Homeopronematus anconai (Baker) (Acari, Iolinidae) and description of Quasihomeopronematus nordestinus n. gen. n. sp. Open
In a survey of natural enemies of Aculops lycopersici (Tryon, 1917), we collected specimens of Homepronematus anconai (Baker, 1943) in different European countries and redescribed the species based on specimens collected in Belgium. The ne…
View article: SYNCAS based CRISPR-Cas9 gene editing in predatory mites, whiteflies and stinkbugs
SYNCAS based CRISPR-Cas9 gene editing in predatory mites, whiteflies and stinkbugs Open
View article: Description of two new genera, three new species, and redescription of two species of Pronematinae (Acari: Iolinidae)
Description of two new genera, three new species, and redescription of two species of Pronematinae (Acari: Iolinidae) Open
Duoparus n. gen. with its type species Duoparus hyeresensis n. gen. n. sp. from Rubus in France are described. Duoparus is the first genus within the Pronematinae with two ag setae. In the genus Pseudopronematulus, two new species, P. duff…
View article: Functional Response of Four Phytoseiid Mites to Eggs and First-Instar Larvae of Western Flower Thrips, Frankliniella occidentalis
Functional Response of Four Phytoseiid Mites to Eggs and First-Instar Larvae of Western Flower Thrips, Frankliniella occidentalis Open
The predation capacity and functional responses of adult females of the phytoseiid mites Amblyseius largoensis (Muma), Proprioseiopsis lenis (Corpuz and Rimando), Paraphytoseius cracentis (Corpuz and Rimando), and Amblyseius swirskii (Athi…
View article: Unveiling the diet of two generalist stink bugs, <i>Halyomorpha halys</i> and <i>Pentatoma rufipes</i> (<scp>Hemiptera: Pentatomidae</scp>), through metabarcoding of the <scp>ITS2</scp> region from gut content
Unveiling the diet of two generalist stink bugs, <i>Halyomorpha halys</i> and <i>Pentatoma rufipes</i> (<span>Hemiptera: Pentatomidae</span>), through metabarcoding of the <span>ITS2</span> region from gut content Open
BACKGROUND The use of DNA metabarcoding has become an increasingly popular technique to infer feeding relationships in polyphagous herbivores and predators. Understanding host plant preference of native and invasive herbivore insects can b…
View article: Predation efficacy of Chrysoperla carnea on two economically important stink bugs
Predation efficacy of Chrysoperla carnea on two economically important stink bugs Open
View article: Independent genetic mapping experiments identify diverse molecular determinants of host adaptation in a generalist herbivore
Independent genetic mapping experiments identify diverse molecular determinants of host adaptation in a generalist herbivore Open
Interactions between plants and herbivores promote evolutionary change. Studying the evolution of herbivore mechanisms aimed to cope with diUerent host plant species is a critical intersection between evolutionary biology and sustainable p…
View article: Life table parameters of Amblyseius largoensis, Amblyseius swirskii and Proprioseiopsis lenis (Acari: Phytoseiidae) fed on eggs and larvae of Frankliniella occidentalis
Life table parameters of Amblyseius largoensis, Amblyseius swirskii and Proprioseiopsis lenis (Acari: Phytoseiidae) fed on eggs and larvae of Frankliniella occidentalis Open
View article: A novel target-site mutation (H146Q) outside the ubiquinone binding site of succinate dehydrogenase confers high levels of resistance to cyflumetofen and pyflubumide in Tetranychus urticae
A novel target-site mutation (H146Q) outside the ubiquinone binding site of succinate dehydrogenase confers high levels of resistance to cyflumetofen and pyflubumide in Tetranychus urticae Open
View article: The role of ATP-binding cassette transporters in arthropod pesticide toxicity and resistance
The role of ATP-binding cassette transporters in arthropod pesticide toxicity and resistance Open
View article: Redescription of Pronematus ubiquitus (McGregor, 1932) (Acari, Iolinidae), description of two new species and redescription of two additional species with a review of and key to all Pronematus species
Redescription of Pronematus ubiquitus (McGregor, 1932) (Acari, Iolinidae), description of two new species and redescription of two additional species with a review of and key to all Pronematus species Open
Pronematus ubiquitus (McGregor) is redescribed based on specimens collected at the type locality. Additionally, in a survey for natural enemies of Aculops lycopersici (Tryon), P. ubiquitus was found in most European countries where samples…
View article: Distribution and genetic diversity of the invasive pest Halyomorpha halys (Hemiptera, Pentatomidae) in Belgium
Distribution and genetic diversity of the invasive pest Halyomorpha halys (Hemiptera, Pentatomidae) in Belgium Open
The brown marmorated stink bug, Halyomorpha halys , native to East Asia, is an invasive pest of economic importance. It has invaded North America and many European countries and is further expanding its range. In Belgium, it was first obse…
View article: SYNCAS: Efficient CRISPR/Cas9 gene-editing in difficult to transform arthropods
SYNCAS: Efficient CRISPR/Cas9 gene-editing in difficult to transform arthropods Open
The genome editing technique CRISPR/Cas9 has led to major advancements in many research fields and this state-of-the-art tool has proven its use in genetic studies for various arthropods. However, most transformation protocols rely on micr…
View article: Predation Efficacy of Chrysoperla Carnea on Two Economically Important Stink Bugs
Predation Efficacy of Chrysoperla Carnea on Two Economically Important Stink Bugs Open
View article: Adaptation of an arthropod predator to a challenging environment is associated with a loss of a genome‐wide plastic transcriptional response
Adaptation of an arthropod predator to a challenging environment is associated with a loss of a genome‐wide plastic transcriptional response Open
BACKGROUND Structural and chemical plant defence traits may reduce the efficacy of biological control agents in integrated pest management. Breeding programmes have shown arthropod predators’ potential to acclimate to challenging host plan…
View article: Interaction of Whitefly Effector G4 with Tomato Proteins Impacts Whitefly Performance
Interaction of Whitefly Effector G4 with Tomato Proteins Impacts Whitefly Performance Open
The phloem-feeding insect Bemisia tabaci is an important pest, responsible for the transmission of several crop-threatening virus species. While feeding, the insect secretes a cocktail of effectors to modulate plant defense responses. Here…
View article: Contrasting roles of cytochrome P450s in amitraz and chlorfenapyr resistance in the crop pest Tetranychus urticae
Contrasting roles of cytochrome P450s in amitraz and chlorfenapyr resistance in the crop pest Tetranychus urticae Open
View article: A glutamate-gated chloride channel as the mite-specific target-site of dicofol and other diphenylcarbinol acaricides
A glutamate-gated chloride channel as the mite-specific target-site of dicofol and other diphenylcarbinol acaricides Open
Dicofol has been widely used to control phytophagous mites. Although dicofol is chemically related to DDT, its mode of action has remained elusive. Here, we mapped dicofol resistance in the spider mite Tetranychus urticae to two genomic re…
View article: Structural and functional studies reveal the molecular basis of substrate promiscuity of a glycosyltransferase originating from a major agricultural pest
Structural and functional studies reveal the molecular basis of substrate promiscuity of a glycosyltransferase originating from a major agricultural pest Open
View article: The host plant strongly modulates acaricide resistance levels to mitochondrial complex II inhibitors in a multi-resistant field population of Tetranychus urticae
The host plant strongly modulates acaricide resistance levels to mitochondrial complex II inhibitors in a multi-resistant field population of Tetranychus urticae Open
View article: A nuclear receptor HR96-related gene underlies large trans-driven differences in detoxification gene expression in a generalist herbivore
A nuclear receptor HR96-related gene underlies large trans-driven differences in detoxification gene expression in a generalist herbivore Open
View article: Molecular mechanisms of resistance to spirodiclofen and spiromesifen in Tetranychus urticae
Molecular mechanisms of resistance to spirodiclofen and spiromesifen in Tetranychus urticae Open
View article: Host adaptation and specialization in Tetranychidae mites
Host adaptation and specialization in Tetranychidae mites Open
Composite generalist herbivores are comprised of host-adapted populations that retain the ability to shift hosts. The degree and overlap of mechanisms used by host-adapted generalist and specialist herbivores to overcome the same host plan…