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Introduction
The research keywords of his lab include: Crop protection; Climate-Mitigating and Adaptation Agricultural Practices (CMAAPs); Entomology; Insect ecology; Bottom-up effects, top-down effects and indirect interactions in "Soil-crop-insect pests-natural enemies" multitrophic interactions; Chemical ecology; VOC-mediated Plant defense priming; Invasive insect pest management; Tuta absoluta; Development of "Multi-dimensional Management of Multiple Pests (3MP)" theoretical framework.
Additional affiliations
June 2017 - December 2021
February 2015 - January 2017
Education
November 2011 - October 2014
September 2008 - June 2011
Publications
Publications (76)
The Chinese citrus fruit fly, Bactrocera minax (Enderlein) is a univoltine Tephritidae pest that infests Citrus species. Field trials were conducted in 2010 to determine the potential use of a lure based on enzymatical-hydrolyzed beer yeast as liquid bait (hereafter named H-protein bait) for B. minax in the Hubei province, China. In a citrus orchar...
Since 2004 the oriental fruit fly, Bactrocera dorsalis (Hendel) has become widespread and economically important in Wuhan, Hubei Province, central China. In this article, the population
dynamics of B. dorsalis were monitored using methyl eugenol-baited traps during 2008–2009 in Wuhan. Adults were captured from early July to the end
of December in a...
The transgenic Cry1Ac (Bt toxin) + CpTI (Cowpea Trypsin Inhibitor) cotton cultivar CCRI41 is increasingly used in China and potential side effects on the honey bee Apis mellifera L. have been documented recently. Two studies have assessed potential lethal and sublethal effects in young bees fed with CCRI41 cotton pollen but no effect was observed o...
Plant defense priming involves the release of air-borne volatile organic compounds (VOCs) by plants, serving to prepare defense-related mechanisms against herbivores and pathogens in adjacent receiver plants. While the concept of VOC-mediated plant defense priming for enhancing plant resistance has garnered considerable attention in the last two de...
Drosophila suzukii and Tuta absoluta are successful biological invaders of agroecosystems. Their integrated pest management (IPM) programs involve the release and/or conservation of natural enemies. Among these, Ganaspis kimorum is a major Asian parasitoid of D. suzukii and has been introduced as a classical biological control agent of this pest in...
LINK to the special issue: https://www.schweizerbart.de/papers/entomologia/list/44#issue2
Cannibalism, an act of killing and consuming conspecific individuals, is a common behavior among various insect taxa. This study investigated the effects of food limitation and larval health status on cannibalistic behavior in the South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), a devastating insect pest on solanac...
The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has invaded most Afro-Eurasian countries. Since its first detection in China in late 2017, this pest has been now present in nearly 20 provinces/prefectures in China and is threating tomato and other Solanaceous crops such as potato, eggplant, and tobacco. Here,...
Sustainable agriculture relies on implementing effective, eco-friendly crop protection strategies. However, the adoption of these green tactics by growers is limited by their high costs resulting from the insufficient integration of various components of Integrated Pest Management (IPM). In response, we propose a framework within IPM termed Multi-D...
Background
Aphids often harbor bacterial symbionts that confer resistance to biotic and abiotic stress. Previous studies have primarily examined the direct effects of symbiont infection on parasitoid success but less on aphid population dynamics under indirect parasitic situations, for example when exposed to parasitoid wasp odor. Deciphering this...
BACKGROUND
Potato, Solanum tuberosum, is one of the most important food crops in the world, playing a significant role in global food security. However, many potato industries and farms may suffer losses of tuber yield and quality in storage due to lepidopteran pests. Here, we evaluated the effectiveness of an ectoparasitic idiobiont mite Pyemotes...
BACKGROUND
By expressing double‐stranded RNA (dsRNA) in potato plastids targeting the β‐Actin (ACT) gene of the Colorado potato beetle (CPB), transplastomic plants can trigger the beetle's RNA interference response to kill the CPB larvae. High expression of dsACT driven by rrn16 promoter (Prrn) in the leaf chloroplasts of transplastomic plants conf...
Omnivorous insects make foraging decisions between plant and prey resources depending on their accessibility, availability, and nutritional value. This shapes the stability and complexity of food webs, but also pest control services in agroecosystems. The mirid bug Lygus pratensis is a common cotton pest in China, but it also feeds on a variety of...
Stem borers (Lepidoptera) are common cereal pests. In many parts of the world, the species Ostrinia nubilalis and Sesamia nonagrioides stand out as important insect pests of economically important crops such as maize. Their management relied mainly on transgenic host plant resistance over the last 25 years. Technologies based on the insecticidal pr...
Omnivorous insects make foraging decisions between plant and prey resources depending on their accessibility, availability, and nutritional value. This shapes the stability and complexity of foodwebs, but also pest control services in agroecosystems. The mirid bug Lygus pratensis is a common cotton pest in China, but it also feeds on a variety of p...
Whether nutrient availability interacts with induced resistance to alter plant chemistry and, consequently, the preference and performance of herbivores on plants remains unclear. We hypothesized that changing fertilizer inputs modulates responses induced by exogenous application of the defensive phytohormone methyl jasmonate (MeJA) against Tuta ab...
Banker plant systems increase biological pest control by supporting populations of natural enemies, i.e., using non-pest arthropod species as alternative prey. However, the presence of alternative prey does not always result in improved control of the target pest species owing to the complexity of biotic interactions. To increase the effectiveness...
Bottom-up effects are major ecological forces in crop–arthropod pest–natural enemy multitrophic interactions. Over the past two decades, bottom-up effects have been considered key levers for optimizing integrated pest management (IPM). Irrigation, fertilization, crop resistance, habitat manipulation, organic management practices, and landscape char...
The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has invaded most Afro-Eurasian countries and is threatening worldwide tomato production. Various strategies have been developed and implemented to manage this pest. Here, we present a timely review on the up-to-date development and practical implementation of int...
The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has recently invaded Yili region in Xinjiang, China. In this region, sex pheromone-based control techniques are considered promising compo-nents of integrated pest management programs. However, the potential parthenogenesis and polygyny of T. absoluta may affect...
Human-mediated species introductions have greatly contributed significantly to the current global alteration of the biosphere, with many invasive species rapidly expanding their geographic ranges, leading to changes in biodiversity and disruptions of ecosystem functioning. With a modified SDM that considers both extensive data coverage and the dist...
Nitrogen (N) and water are crucial in crop production but increasingly scarce environmental resources. Reducing their inputs can affect the whole plant-arthropod community including biocontrol agents. In a multitrophic system, we studied the interaction of the bottom-up effects of moderately reduced N concentration and/or water supply as well as th...
Abstract
In 1993, the apple buprestid, Agrilus mali Matsumura (Coleoptera: Buprestidae) native to northeast Asia, invaded the Yili River valley, Xinjiang Uyghur Autonomous Region, China. It is now widespread across 95% of wild apple forests (Malus sieversii (Ledeb.) Roem) in the region. This invasive species poses a major threat to wild apple popul...
Asian Citrus Psyllid (ACP), Diaphorina citri, is a key vector transmitting the causative agent of Huanglongbing (HLB) disease. Population growth of ACP is evident after feeding on plant flush shoots, as they only oviposit here. However, the underlying mechanism as to why flush shoots govern oviposition is unclear. This study compares the fecundity...
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Soil abiotic stresses can trigger bottom-up effects on insect pests. However, it remains unknown whether the bottom-up effects differentially affect leaf chewers and sap-feeders, and whether abiotic stresses alter the extent of indirect interactions between insect herbivores sharing a host plant. We carried out a set of manipulative experiments to...
The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), a destructive pest on tomato, has invaded most Afro-Eurasian countries. Recently invaded by the pest, most tomato crops in greenhouses and open fields in Tajikistan are currently suffering major damage. While failure in management using chemical insecticide has b...
Density‐ and trait‐mediated indirect interactions (DMIIs and TMIIs respectively) are important drivers of community dynamics but how plant nutrients (bottom‐up effects) affect the magnitude of such indirect interactions has been scarcely addressed.
To assess the impact of bottom‐up forces on indirect interactions, we carried out laboratory and gree...
Since its initial detection in Turkey in 2009, the invasive destructive pest South American tomato pinworm Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has started its new invasion journey to East and invaded most Asian countries. This pest currently causes extensive damage to tomato production and threatens key production areas such as Chin...
Soil abiotic factors and plant traits are able to trigger bottom-up effects along the tri-trophic plant–herbivore–natural enemy interactions. The consequences could be useful for controlling the insect herbivores. The South American tomato pinworm, Tuta absoluta Meyrick (Lepidoptera: Gelechiidae), a devastating invasive leaf-mining pest on tomato a...
In the original publication of the article, the article type was incorrectly published as “Original Paper”. However, the correct article type is “Review Paper”.
Abiotic and biotic factors affect plants in various ways which in turn affect associated arthropod communities through direct and/or indirect bottom-up interactions. Several review articles have synthesized studies examining the indirect effects of abiotic factors on plant-arthropod interactions, mainly focusing on soil nitrogen, soil water status,...
• Wild apple Malus sieversii (Ledeb.) M. Roem. (Rosales: Rosaceae), the ancestor of cultivated apples, is widely distributed in Central Asia and is recognized as an important germplasm bank. Recently, the invasive pest Agrilus mali Matsumura (Coleoptera: Buprestidae), originally distributed in eastern Asia, has damaged endemic apple forests in the...
The South American tomato pinworm, Tuta absoluta (Meyrick) 1 (Lepidoptera: Gelechiidae) is an invasive destructive pest of tomato and other 2 solanaceous plants. Since its first detection in Spain in 2006, the pest has started its 3 invasion across the Afro-Eurasian supercontinent. Xinjiang Uyghur Autonomous 4 Region of China, adjacent to the recen...
Global climate change has profound consequences on survival and reproduction of arthropods. In particular, in temperate regions changes in spring temperatures have a major impact on crop pest population dynamics, but the mechanisms remain elusive. By analysing empirical data of Helicoverpa armigera moth populations from three sites over 12–13 years...
Quercetin, one of the most abundant dietary flavonoids, is widely present in nature. In this study, the effects of quercetin ingestion on Helicoverpa armigera larvae growth and its sensitivity to lambda-cyhalothrin were assessed. The median lethal concentration (LC50) value of lambda-cyhalothrin to quercetin-fed H. armigera larvae was 2.39-fold hig...
Wheat is a major crop and plays a significant role in food security in China. Cereal aphids Rhopalosiphum padi L. and Sitobion avenae Fab. are widespread worldwide and considered as serious pests in the winter wheat belt of North China. Natural enemies are well known for their ability to control aphid species in a wide range of cropping systems. Im...
The tomato leafminer, Tuta absoluta, a serious pest threatening the tomato industry in South America, Africa, Europe and Central-West Asia, now has recently invaded the neighboring countries of Northwest and Southwest China. With the increasing international trade in agriculture products, T. absoluta presents a potential threat to Chinese tomato an...
Background:
Bottom-up and top-down forces are major components for biological control against pests in agro-ecosystem. Understanding the multi-trophic interactions from plants to secondary consumers would serve to optimize pest control strategies. We manipulated nitrogen and/or water inputs to tomato plants (Solanum lycopersicum) to test if those...
Wheat being staple food of Pakistan is constantly attacked by major wheat aphid species, Schizaphis graminum (R.), Rhopalosiphum padi (L.) and Sitobion avenae (F.). Due to concern on synthetic chemical use in wheat, it is imperative to search for alternative environment- and human- friendly control measures such as botanical pesticides. In the pres...
Mean (± SE) number of wheat aphids per plant on different observation dates in the growing season 2013–14.
Wheat was planted on dates (A) 24th November (B) 27th November, (C) 3rd December. Control: no spray; MLE: spray of moringa leaf extract; MLE+NSE: spray of moringa leaf extract in combinaiton with neem seed extract; NSE-1: one spray of neem see...
Mean (± SE) number of wheat aphids per plant on different observation dates in the growing season 2012–2013.
Wheat was planted on dates (A) 27th November (B) 6th December, (C) 16th December. Control: no spray; MLE: spray of moringa leaf extract; MLE+NSE: spray of moringa leaf extract in combinaiton with neem seed extract; NSE-1: one spray of neem s...
Bradysia odoriphaga Yang et Zhang is a destructive insect pest of Chinese chives. To understand the current status of insecticide resistance of B. odoriphaga in China, the sensitivity variation of eight field populations to six commonly used insecticides, including chlorpyrifos, phoxim, imidacloprid, thiamethoxam, clothianidin and beta-cypermethrin...
The arthropod community structure in wolfberry orchards of different management regimes were monitored from April to August in 2012 at Ningxia Hui Autonomous Region of Northwestern China. The three different management regimes included (1) orchard free of pesticide, (2) organic orchard, and (3) conventional orchard. Totally, 167 species (4 classes,...
Quercetin as one of the key plant secondary metabolite flavonol is ubiquitous in terrestrial plants. In this study, the decrease in sensitivity to lambda-cyhalothrin was observed in quercetin-fed Helicoverpa armigera larvae. In order to figure out the mechanisms underlying the decreased sensitivity of H. armigera larvae to lambda-cyhalothrin by que...
The effects of quercetin intake on carboxylesterases activity at different treatment time.
Asterisks (*) indicate significant differences within same treatment time.
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Scientific Reports 6 : Article number: 32403; 10.1038/srep32403 published online: 13 September 2016 ; updated: 13 December 2016 This Article contains typographical errors.
Variation in resource input to plants triggers bottom-up effects on plant-insect herbivore interactions. However, variation in plant intrinsic traits in response to resource availability may modify the bottom-up effects. Furthermore, the consequences also may depend on the feeding strategy of insect herbivores belonging to different feeding guilds....
Top-down force is referred to arthropod pest management delivered by the organisms from higher trophic levels. In the context of prevalent adoption of transgenic Bt crops that produce insecticidal Cry proteins derived from Bacillus thuringiensis (Bt), it still remains elusive whether the top-down forces are affected by the insect-resistant traits t...
Population dynamics of lacewings and Hemipteran bugs.
Mean numbers (±SE) of lacewings and Hemipteran bugs per plot in exclusion cages, sham cages and open field plots at HZAU experimental station (Wuhan, China) from late June to late August in 2013.
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Variation in resource inputs to plants may trigger bottom-up effects on herbivorous insects. We examined the effects of water input: optimal water vs. limited water; water salinity: with vs. without addition of 100 mM NaCl; and their interactions on tomato plants (Solanum lycopersicum), and consequently, the bottom-up effects on the tomato leaf min...
Behavior is a main component of survival and performance of arthropods. We have witnessed widespread adoption of Insect-Resistant Genetically Modified (IRGM) crops nowadays; however, no literature has reviewed the behavioral effects of IRGM crops on phytophagous and beneficial arthropods. In this review, we assessed the current information related...
To forecast the effects of climate change and extreme temperature events on insect population dynamics, the high-temperature tolerance of insects must be taken into account. We compared the life-history characteristics of cowpea aphid (Aphis craccivora Koch) across different temperature regimes on two different host plants, soybean (a preferred hos...
Plant-insect interactions are strongly modified by environmental factors. This study evaluates the influence of nitrogen fertilisation on the tomato plants (Solanum lycopersicum L.) cv. Santa clara and the leafminer Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). Greenhouse grown tomato plants were fed hydroponically on a complete nutrient solu...
Omnivorous arthropods make dietary choices according to the environment in which they forage, mainly availability/quality of plant and/or prey resources. Such decisions and their subsequent impacts on life-history traits may be affected by the availability of nutrients and water to plants, that is, through bottom-up forces. By setting up arenas for...
The wheat aphids, Rhopalosiphum padi (Linnaeus) and Sitobion avenae (Fabricius), are key pests on wheat crops worldwide. Management practices rely primarily on insecticides. The pirimicarb (carbamate) is used extensively as an effective insecticide to control these two aphids. In addition to the mortality caused by pirimicarb, various sublethal eff...
Omnivorous Heteroptera predators play important roles in biological control of a wide range of pest insects. Their predation could be influenced by various biotic or abiotic factors. Here we examined the effects of nitrogen and water inputs to tomato plants (Solanum lycopersicum L.) on the predation strength of the omnivore Macrolophus pygmaeus Wag...
The cotton aphid Aphis gossypii Glover is the main aphid pest in cotton fields in the Yangtze River Valley Cotton-planting Zone (YRZ) in central China. Various natural enemies may attack the cotton aphid in Bt cotton fields but no studies have identified potential specific top-down forces that could help manage this pest in the YRZ in China. In ord...