The impact of landscape structure on pesticide exposure to honey bees

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Oct. 22, 2024

Pesticides may have serious negative impacts on bee populations. The pesticide exposure of bees could depend the surrounding landscapes in which they forage. In this study, we assess across various land-use categories, while targeting Japanese honey bee, Apis cerana japonica, a native subspecies eastern bee. project involving public participation, measured concentrations major pesticides and beeswax collected from 175 colonies Japan quantitatively analyzed relationships between presence/absence or concentration categories around colonies. Our findings revealed that environment live strongly influences residues beehive materials, whether are systemic not, with clear trend for each category. Agricultural lands, particularly paddy fields orchards, urban areas resulted higher exposure, whereas forests presented lower risk exposure. To effectively control levels bees, it is essential to understand usage patterns develop appropriate regulatory systems non-agricultural similar those agricultural lands. must be evaluated their diverse landscapes. This study reveals both lands were considered mitigation areas.

Language: Английский

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Achieving “Pesticide-Pest Mutual Management” through Pest-Derived Biochar

Talanta, Journal Year: 2025, Volume and Issue: unknown, P. 128028 - 128028

Published: March 1, 2025

Language: Английский

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Ethanol: dose-dependent flight responses of bark and woodboring beetles, and associated species of Coleoptera

Environmental Entomology, Journal Year: 2025, Volume and Issue: unknown

Published: April 10, 2025

Abstract In 2007 to 2008, I assessed the effects of ethanol release rate (dose) on trap catches bark and woodboring beetles, associated species predators, in 6 experiments north-central Georgia. Multiple-funnel traps were baited with alone or co-baited α-pinene (with without beetle pheromones ipsenol ipsdienol). The following ambrosia beetles exhibited a positive dose-dependent response ethanol, regardless co-baits: Corthylus columbianus Hopkins, Dryoxylon onoharaense (Murayama), Hylastes porculus Erichson, salebrosus Eichhoff, Hylobius pales (Herbst), Monarthrum fasciatum (Say), Orthotomicus caelatus (Eichhoff), Xyleborinus saxesenii (Ratzeburg), Xyleborus species, Xylosandrus crassiusculus (Motschulsky) (Coleoptera: Curculionidae). tenuis Eichhoff Curculionidae) but not when α-pinene, pheromones. A consistent negative was by Ips grandicollis (Eichhoff) whereas results avulsus Dendroctonus terebrans (Olivier) variable. Longhorn unaffected dose except for Curius dentatus Newman Cerambycidae), which ethanol. Three predators responses ethanol: Temnoscheila virescens (F.) Trogossitidae), Platysoma parallelum (Say) Histeridae), Lasconotus Zopheridae). Ethanol is key kairomone many beetles.

Language: Английский

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Inheritance or Recruitment? The Assembly Mechanisms and Functional Dynamics of Microbial Communities in the Life Cycle of a Wood‐Feeding Beetle

Molecular Ecology, Journal Year: 2025, Volume and Issue: unknown

Published: April 10, 2025

ABSTRACT Microbial partners enhance the metabolic capabilities of insects, enabling their adaptation to diverse ecological niches. Xylophagous insects have larvae that can digest lignocellulose and cope with plant secondary metabolites (PSMs). However, there is little information in terms microbiome sources, dynamics species contributions. This limits our understanding interaction between xylophagous microbiome. Monochamus saltuarius (Cerambycidae) a significant borer conifers. We used combined qPCR, host genomic metagenomic datasets, as well vitro validation experiments study associated its interactions M. . evaluated microbial metabolic/biosynthetic contributions validated related functions. Our findings revealed insect growth development altered quantity community composition bacteria fungi. The egg was particularly susceptible alteration due oviposition pits. Bacterial transmission largely persisted developmental stages, while fungal re‐acquisition primarily originated from external environment. By reconstructing pathway maps, we identified cooperative gut As transitioned phloem xylem feeding, functional role various pathways weakened. Remarkably, high‐contribution bacterial overlapped across different roles, these also showed considerable overlap feeding periods. Overall, highlights unique microbiome, which enhances ability digestion, PSMs degradation acquisition essential amino acids, vitamins.

Language: Английский

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The avoidance of conspecific cues during egg-laying decision-making in the Asian long-horned beetle Anoplophora glabripennis

Bulletin of Entomological Research, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 6

Published: May 2, 2025

Abstract For insects whose larvae are incapable of moving between food resources, the selection oviposition sites by females is critical to survival and development their offspring. In such insects, it known that utilise benefit from conspecific cues for choice. Studying how information behaviour conspecifics affects egg-laying decision-making crucial understanding biology which can lead novel strategies pest management. We focused on reproductive Asian long-horned beetle Anoplophora glabripennis , has become an invasive species throughout world. Here, we show A. avoids already containing during decision-making. The field survey measuring distance neighbouring scars (in this species, make through bark host branches laying eggs) suggested not random. laboratory oviposition-choice bioassays, made less other than those without scars. addition, female was also deterred presence own Our results indicate avoiding (and own) traces realises fitness as reducing resource competition among larvae. This study provides insights into longhorn beetle, useful developing environmentally friendly control methods deterrents.

Language: Английский

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Interspecific Mating Is Trivial and Asymmetrical Between Two Destructive Anoplophora Beetles

Insects, Journal Year: 2025, Volume and Issue: 16(4), P. 352 - 352

Published: March 27, 2025

The Asian longhorn beetle (ALB), Anoplophora glabripennis, and citrus (CLB), chinensis, are two destructive invasive wood-boring pests, with high similarities in morphology, geographical distribution, host range, life cycle, adult behaviors male-produced pheromone, implying a potential existence of interspecific interactions. Matings have been found to occur across females males the species when manually paired confined spaces. However, mating its regulating factors unclear between sympatric populations on hosts. Herein, by observing mountings tracking beetles that freely coexisted branches cages, we majority appeared within species; however, occasionally occurred male CLBs female ALBs. CLB was more active than ALB at night. It seems actively searched for ALBs, while inverse case CLBs. main release periods shared pheromone components overlapped species, compound ratios had significant differences. Our results unveil trivial asymmetrical ALBs CLBs, risk co-outbreaks either native or invaded areas.

Language: Английский

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Silencing the odorant co-receptor (Orco) in Anoplophora glabripennis disrupts responses to pheromones and host volatiles

Pesticide Biochemistry and Physiology, Journal Year: 2024, Volume and Issue: 203, P. 105968 - 105968

Published: May 29, 2024

Language: Английский

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Virulence and Pathological Characteristics of a New Metarhizium anisopliae Strain against Asian Long-Horn Beetle Anoplophora glabripennis Larvae

Forests, Journal Year: 2024, Volume and Issue: 15(6), P. 1045 - 1045

Published: June 17, 2024

The Asian long-horn beetle (ALB) is a serious wood-boring insect. Continuous isolation of different fungal strains vital for using fungi the control ALB. virulence and pathological characteristics new Metarhizium anisopliae strain DES3 isolated from desert afforestation stands against larvae ALB were assessed in this study. corrected mortality reached 100% at conidial concentration 109 108 conidia/mL, 91.11 ± 4.44% 107 conidia/mL. Similarly, LC/LT showed high as well. Meanwhile, commercial M. was evaluated. only 33.33% less than 10% after infection by evident, mainly embodied rupture adipose tissue, muscle midgut. But there no obvious change strain. In conclusion, these results establish that has dosage-dependent manner larvae, indicating potential to be developed biopesticide biocontrol A. glabripennis.

Language: Английский

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PdPLR1 effectively enhances resistance of Populus deltoides ‘Shalinyang’ to Anoplophora glabripennis by postive regulation of lignan synthesisPopulus deltoides ‘Shalinyang’

Plant Physiology and Biochemistry, Journal Year: 2024, Volume and Issue: 214, P. 108944 - 108944

Published: July 17, 2024

Language: Английский

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Interactions at the Oviposition Scar: Molecular and Metabolic Insights into Elaeagnus angustifolia’s Resistance Response to Anoplophora glabripennis

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(17), P. 9504 - 9504

Published: Aug. 31, 2024

The Russian olive (

Language: Английский

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