Latest Developments in Insect Sex Pheromone Research and Its Application in Agricultural Pest Management

Insects, Год журнала: 2021, Номер 12(6), С. 484 - 484

Опубликована: Май 23, 2021

Since the first identification of silkworm moth sex pheromone in 1959, significant research has been reported on identifying and unravelling mechanisms hundreds insect species. In past two decades, number studies new pheromones, biosynthesis, mode action, peripheral olfactory neural mechanisms, their practical applications Integrated Pest Management increased dramatically. An interdisciplinary approach that uses advances techniques analytical chemistry, chemical ecology, neurophysiology, genetics, evolutionary molecular biology helped us to better understand perception its application agricultural pest management. this review, we present most recent developments decades.

Язык: Английский

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Dynamic environmental interactions shaped by vegetative plant volatiles

Natural Product Reports, Год журнала: 2023, Номер 40(4), С. 840 - 865

Опубликована: Янв. 1, 2023

Vegetative plant volatiles influence their environment, and vice versa . We review these dynamic interactions identify frameworks that can help to explain volatile emission patterns biological functions.

Язык: Английский

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Plasticity and modulation of olfactory circuits in insects

Cell and Tissue Research, Год журнала: 2020, Номер 383(1), С. 149 - 164

Опубликована: Дек. 4, 2020

Abstract Olfactory circuits change structurally and physiologically during development adult life. This allows insects to respond olfactory cues in an appropriate adaptive way according their physiological behavioral state, adapt specific abiotic biotic natural environment. We highlight here findings on plasticity modulation various model non-model with emphasis moths social Hymenoptera. Different categories of occur the systems insects. One type relates reproductive or feeding as well age. Another is context-dependent includes influences immediate sensory environment, but also environmental conditions postembryonic development, periods maturation, short- long-term experience. Finally, linked associative learning memory formation. The vast majority available literature summarized deals primary secondary brain centers, peripheral treated. described molecular, physiological, structural neuronal changes under influence neuromodulators such biogenic amines, neuropeptides, hormones, mechanisms through which they act are only beginning be analyzed.

Язык: Английский

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Scents and sensibility: Best practice in insect olfactometer bioassays

Entomologia Experimentalis et Applicata, Год журнала: 2023, Номер 171(11), С. 808 - 820

Опубликована: Июль 27, 2023

Abstract Olfactometers have been used for more than 100 years and are integral to experimental chemical ecology. Studies utilising olfactometer bioassays form the foundation understanding behavioural responses of invertebrates stimuli under standardised laboratory conditions. Widely olfactometry apparatuses include two‐arm olfactometers binary through four‐ six‐arm arenas evaluate complex behaviours. Despite its prevalence in ecology studies, there has never a review best practice olfactometry. This critically evaluates both methods applications as well design analysis. We aim outline standard good improve reporting studies involving olfactometry, thereby establishing reference guide build robust workflow bioassays.

Язык: Английский

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Gut bacteria induce oviposition preference through ovipositor recognition in fruit fly

Communications Biology, Год журнала: 2022, Номер 5(1)

Опубликована: Сен. 15, 2022

Abstract Gut bacteria play important roles in insect life cycle, and various routes can be used by insects to effectively transmit their gut bacteria. However, it is unclear if the spread actively attracting hosts, recognition mechanisms of host are poorly understood. Here, we explore chemical interactions between Bactrocera dorsalis its bacterium Citrobacter sp. (CF-BD). We found that CF-BD could affect development ovaries vertically transmitted via oviposition. attract B. lay eggs producing 3-hexenyl acetate (3-HA) fruits were hosts . Furthermore, directly recognize with ovipositors which olfactory genes expressed bind 3-HA. This work reports an mechanism concerning active insects.

Язык: Английский

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Knockout of the odorant receptor co-receptor, orco, impairs feeding, mating and egg-laying behavior in the fall armyworm Spodoptera frugiperda

Insect Biochemistry and Molecular Biology, Год журнала: 2022, Номер 152, С. 103889 - 103889

Опубликована: Дек. 7, 2022

Язык: Английский

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A new feature of the laboratory model plant Nicotiana benthamiana: Dead‐end trap for sustainable field pest control

Plants People Planet, Год журнала: 2024, Номер 6(3), С. 743 - 759

Опубликована: Янв. 30, 2024

Societal Impact Statement Conventional pest management measures release large amounts of chemical or plastic pollutants into the environment. Nicotiana benthamiana , a commonly employed laboratory model plant, demonstrated remarkable lethality and attractiveness towards several important Hemiptera Thysanoptera insect pests. Field trials showed that N. plants can be used as dead‐end trap to successfully control these pests, comparable commercial sticky traps. Notably, in field grew well without negatively impacting crop growth, natural enemies, pollinators. This study unearths new benefit develops an easy‐to‐apply sustainable strategy for control. Summary insects pose persistent threats agricultural production. strategies involve agents, causing adverse environmental global health issues. benthamiana, globally utilized exhibits lethal effects attraction In this study, we explored potential using field. Through net cover three assays over 2 years, efficacy benefits field‐deployed trap. nearly 100% whiteflies, aphids, thrips, with emitted volatiles attracting insects. potted planted blocks traps whiteflies thrips from Solanaceae Cucurbitaceae crops effectively, common yellow blue boards. Moreover, exhibited robust growth greenhouses Our introduces innovative, easily implementable, approach controlling it unveils novel utility field‐based management.

Язык: Английский

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Behaviour of two fly species reared for livestock feed: optimising production and insect welfare

Journal of Insects as Food and Feed, Год журнала: 2022, Номер 9(2), С. 149 - 169

Опубликована: Июль 27, 2022

The mass rearing of insects as animal feed is a new and rapidly growing component circular agriculture, which offers the opportunity to develop it in such way that promotes insect health welfare. Behaviour an important indicator performance In this review, we synthesise current behavioural knowledge on two saprophytic dipteran species are increasingly being used mini-livestock, black soldier fly ( Hermetia illucens ) housefly Musca domestica ). We evaluate behaviours need be considered optimise production welfare under mass-rearing conditions. distinguish between different life stages (adults larvae), describe their feeding behaviour, social interactions (adult mating, larval aggregation), oviposition behaviour possible cannibalism. For each species, review what known about these natural environments, how affected by abiotic factors or with conspecifics heterospecifics. also address flies’ microbiome pathogens can influence various aspects behaviour. Notable differences courtship mating distribution within substrates identified. These have implications for should rear industrial settings, mismatch conditions may induce environmental stress compromise productivity Escape aggregation possibly cannibalism stage frequency reproduction rate identified providing information adult flies. Finally, number currently still sparse, while safeguard conclude recommendations future research promote

Язык: Английский

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Comparative transcriptome analysis of the antenna and proboscis reveals feeding state-dependent chemosensory genes in Eupeodes corollae

Open Biology, Год журнала: 2024, Номер 14(1)

Опубликована: Янв. 1, 2024

The physiological state of an insect can affect its olfactory system. However, the molecular mechanism underlying effect nutrition-dependent states on odour-guided behaviours in hoverflies remains unclear. In this study, comparative transcriptome analysis antenna and proboscis from Eupeodes corollae under different feeding was conducted. Compared with previously published antennal transcriptome, a total 32 novel chemosensory genes were identified, including 4 ionotropic receptors, 17 gustatory 9 odorant binding proteins 2 proteins. Analysis differences gene expression between male female antennae proboscises revealed that levels impacted by state. For instance, EcorOBP19 antennae, EcorOBP6 proboscis, EcorOR6 , EcorOR14 EcorIR5 EcorIR84a significantly upregulated after feeding. On other hand, EcorCSP7 EcorOR40 downregulated. These findings suggest nutritional plays role adaptation hoverflies' system to food availability. Overall, our study provides important insights into plasticity systems hoverflies.

Язык: Английский

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High Antennal Expression of CYP6K1 and CYP4V2 Participate in the Recognition of Alarm Pheromones by Solenopsis invicta Buren

Insects, Год журнала: 2025, Номер 16(1), С. 43 - 43

Опубликована: Янв. 5, 2025

Insects have highly developed olfactory systems in which cytochrome P450s (CYPs) were involved as odor-degrading enzymes throughout the recognition of odor compounds by insects to avoid continuous stimulation signaling molecules and thus damage nervous. To understand whether expressed CYPs antennae play an function Solenopsis invicta worker, this study, we find six antennal from transcriptome S. invicta. Multiple sequence alignment phylogenetic analysis divided them into two families: CYP3 family (SinvCYP6K1, SinvCYP6K1-1) CYP4 (SinvCYP4C1, SinvCYP4C1-1, SinvCYP4C1-2, SinvCYP4V2). The expression patterns these analyzed RT-qPCR, revealed that SinvCYP6K1 SinvCYP4V2 only adult workers. workers was markedly diminished after feeding with dsRNA. electroantennography (EAG) assay demonstrated silencing either or resulted a notable reduction EAG response 2-ethyl-3,6(5)-dimethylpyrazine (EDMP). Furthermore, trajectory behavior showed worker's range speed movement EDMP significant decreased SinvCYP4V2. findings indicated both implicated

Язык: Английский

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