Cristina Castañé

Cristina Castañé
IRTA Institute of Agrifood Research and Technology | IRTA · Sustainable Plant Protection Programme

About

121
Publications
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2,424
Citations
Citations since 2017
34 Research Items
1128 Citations
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200

Publications

Publications (121)
Article
Full-text available
Agricultural intensification is affecting the biological control of insect pests, an important component for sustainable crop production. To understand the changing patterns of insect abundance within an agroecosystem, it is necessary to disentangle the trophic interactions between species, and metabarcoding is an excellent alternative to show them...
Article
Full-text available
When female host feeding parasitoids encounter a potential host, they face a complicated trade-off between either laying an egg for investing in current reproduction or feeding on or killing the host for future reproduction. Few studies have measured these behavioral shift patterns in a given host-parasitoid association thus far. We systematically...
Preprint
Full-text available
Agricultural intensification is affecting the biological control of insect pests, an important component for sustainable crop production. To understand the changing patterns of insect abundance within an agroecosystem, it is necessary to disentangle the trophic interactions between species, and metabarcoding is an excellent alternative to show them...
Article
Full-text available
Microorganisms in the guts of insects enhance the adaptability of their hosts with different lifestyles, or those that live in different habitats. Tuta absoluta is an invasive pest that is a serious threat to tomato production in China. It has quickly spread and colonized Xinjiang, Yunnan and other provinces and regions. We used Illumina HiSeq next...
Article
To understand trophic interactions and the precise ecological role of each predatory species, it is important to know which arthropod and plant resources are used by generalist predators in agroecosystems. Molecular approaches, such as the use of high-throughput sequencing (HTS), play a key role in identifying these resources. This study develops a...
Article
High CO2 modified atmosphere packaging (MAP) is a sustainable alternative for pest control in stored products. The effectiveness of this method varies depending on the CO2 concentration used, insect exposure time, temperature, humidity, the tested insect species, and the insect's stage of development. One factor that substantially influences the co...
Article
Pyrethroids are the insecticides most commonly used inside traps, and the lack of alternatives poses the risk of pests developing resistance. In this paper we present two (E)-anethole formulations (spray drying (SD) and oil emulsion entrapment (OEE) processes) that provide a controlled release of their bioactive ingredient in the vapour phase with...
Article
Sitophilus zeamais is a key pest in stored rice in Spain and other Mediterranean countries. Today, it is mostly controlled with a few pesticides, such as pyrethroids or phosphine. Apart from the problem of pesticide resis-tance, this can lead to the accumulation of toxic residues in the stored rice. Therefore, alternative control methods are needed...
Article
Sitophilus zeamais is a key pest in stored rice in Spain and other Mediterranean countries. Today, it is mostly controlled with a few pesticides, such as pyrethroids or phosphine. Apart from the problem of pesticide resistance, this can lead to the accumulation of toxic residues in the stored rice. Therefore, alternative control methods are needed....
Article
Full-text available
The β-aminobutyric acid (BABA) is a plant defense priming compound highly effective in controlling important tomato diseases and plant-parasitic nematodes. It has also been shown to induce resistance against phytophagous insects such as aphids. This study examines the effect of BABA on the performance of the tomato pest Bemisia tabaci (MEAM 1, prev...
Article
Full-text available
The complete mitochondrial genome of a predominant parasitoid, Necremnus tutae (Hymenoptera: Eulophidae) (GenBank accession number MT916846) is 15,252 bp in length, and contains 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes, and an A + T-rich region. The overall base composition is 38.86% for A, 7.14% for C, 8...
Article
Full-text available
In recent years, modelling techniques have become more frequently adopted in the field of food processing, especially for cereal-based products, which are among the most consumed foods in the world. Predictive models and simulations make it possible to explore new approaches and optimize proceedings, potentially helping companies reduce costs and l...
Article
Implementation of landscape approaches to conservation biological control programs requires the confirmation of putative sources that contribute to predator colonization of crops. Several predator species are known to play an important role in biological control programs in orchards worldwide. This study optimizes a DNA mark-capture procedure based...
Article
Full-text available
Diverses espècies de l'ordre dels tisanòpters, coneguts com a trips, són plagues de diversos cultius hortícoles i fruiters de l'àrea mediterrània, entre les que destaquen Frankliniella occidentalis (trips de les flors), Thrips spp., Pezothrips kellyanus i Chaetanaphothrips orchidii (trips de l'orquídia). Totes elles causen danys directes sobre els...
Article
The distribution of Trogoderma granarium Everts has expanded steadily in recent years. This is a very destructive coleopteran species with many economic implications for the trade of grains in countries where it is present. Therefore, it is important to gather data that can confirm or reject the pest’s establishment in a particular country. Spain h...
Article
This study assesses the feasibility of using natural enemies for the control of Acanthoscelides obtectus Say and Zabrotes subfasciatus Boheman (Coleoptera: Chrysomelidae), key pests of stored dried beans, Phaseolus vulgaris L. (Fabales: Fabaceae). The predatory mites Blattisocius tarsalis Berlese (Acari: Ascidae) and Amblyseius swirskii Athias-Henr...
Article
Full-text available
The aim of this study was to evaluate five agro-industrial byproducts (apricots, brewer's spent grains, brewer's spent yeast, feed mill byproducts including broken cereal grains, and hatchery waste including eggshell debris, fluff, infertile eggs, dead embryos, and egg fluids) or mixtures thereof as food diets of Ephestia kuehniella (Zeller), Teneb...
Article
In this study, two predatory mites and two parasitoid wasps were evaluated for their effectiveness in controlling Callosobruchus chinensis (Coleoptera: Chrysomelidae), a common pest in stored chickpeas. The predatory mite Amblyseius swirskii (Acari: Phytoseiidae) preyed on the bruchid’s eggs but did not consume a large amount; the mite Blattisocius...
Chapter
IPM has been developed and successfully applied in greenhouse tomatoes in several regions of the world since the 1970s. As an alternative to the exclusive application of pesticides, the cornerstone of this strategy is to use Natural Enemies (NE) to control some of the crop’s key pests (whiteflies, tomato leafminer) and other pests (spider mites, di...
Article
Three MAs with 50%, 70% and 90% CO2 in air was tested at different exposure times on all the developmental stages of R. dominica using chickpeas packed with 4% and 96% filling ratio in which there was excess of CO2. At 4% filling ratio the loss of the gas was negligible. The exposure time to reach 50% mortality (LT50) was estimated for each develop...
Book
IPM has been developed and successfully applied in greenhouse tomatoes in several regions of the world since the 1970s. As an alternative to the exclusive application of pesticides, the cornerstone of this strategy is to use Natural Enemies (NE) to control some of the crop’s key pests (whiteflies, tomato leafminer) and other pests (spider mites, di...
Article
Development of conservation biological control programs requires the identification of sources that contribute to predator colonization of crops. Macrolophus pygmaeus (Rambur) (Hemiptera: Miridae) is an efficient polyphagous predator used in biological control programs in vegetable crops in Europe. We have developed a marking method based on sprayi...
Article
Full-text available
We investigated the efficacy of two types of modified atmospheres (MA) against adults of the khapra beetle, Trogoderma granarium Everts, and the maize weevil, Sitophilus zeamais Motschulsky, under laboratory conditions. Adults of the above species on wheat were exposed to a carbon dioxide (CO2) concentration of 70% or a low oxygen (O2) concentratio...
Poster
Full-text available
La genitalia es una estructura que se utiliza en la determinación de especies. Tradicionalmente, se ha usado la microscopia de campo claro para la obtención de imágenes. El microscopio láser confocal permite la obtención de imágenes tridimensionales, lo que permite detectar diferencias más sutiles entre las formas. Las tres especies de míridos que...
Article
Full-text available
Venturia canescens and Habrobracon hebetor are cosmopolitan parasitoids found in large numbers in food processing facilities in northeastern Spain and in many other countries. These parasitoids attack larvae of pyralid moths, which are important pests of stored products and food industries worldwide. In this study, we evaluated the performance of t...
Article
Full-text available
Non-pheromone semiochemicals or allelochemicals (kairomones, synomones, allomones) are often derived from, or are similar to, host plant odours and depending on their use, these semiochemicals may have to compete with the same or similar odours emanating from adjacent host plants with unknown consequences on trapping efficacy. The aim of this study...
Article
Pyralid moths, such as Ephestia kuehniella (Zeller) or Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae), are among the pests of most concern in mills and food industries worldwide. One option for their control, which presents an alternative to the application of insecticides, is the release of natural enemies. Habrobracon hebetor (Say) (Hyme...
Article
Full-text available
Within the genus Macrolophus (Heteroptera: Miridae), the species M. costalis (Fieber), M. melanotoma (Costa) and M. pygmaeus (Rambur) are present in the Mediterranean region on a wide variety of plant species. While M. costalis can easily be separated from the other two by the black tip at the scutellum, M. pygmaeus and M. melanotoma are cryptic sp...
Preprint
Within the genus Macrolophus (Heteroptera: Miridae), the species M. costalis (Fieber), M. melanotoma (Costa) and M. pygmaeus (Rambur) are present in the Mediterranean region on a wide variety of plant species. While M. costalis can easily be separated from the other two by the black tip at the scutellum, M. pygmaeus and M. melanotoma are cryptic sp...
Article
Methyl isonicotinate is one of several patented 4-pyridyl carbonyl compounds being investigated for a variety of uses in thrips pest management. It is probably the most extensively studied thrips non-pheromone semiochemical, with field and glasshouse trapping experiments, and wind tunnel and Y-tube olfactometer studies in several countries demonstr...
Article
Full-text available
In recent years, studies on arbuscular mycorrhizal fungi (AMF) have been revealing that the belowground symbiosis can influence the performance of aboveground herbivores and their natural enemies through its effects on the host plant. In this study, we tested whether the colonization of tomato plants by the arbuscular mycorrhizal fungus Rhizophagus...
Article
The feeding habits of the generalist arthropod predators in agroecosystems are often difficult to determine, as they are small, mobile and live among the vegetation or in the soil. DNA-based gut-content analysis is a powerful tool that enables the study of arthropod predator–prey interactions. Predation on two of the main pests of Mediterranean let...
Article
Full-text available
Background The aphid Nasonovia ribisnigri (Mosley) (Hemiptera: Aphididae) and the thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) are common pests in Mediterranean lettuce crops, where Orius spp. are common generalist predators. Predation by Orius spp. was studied in a lettuce plot by conventional PCR and real-time PCR analys...
Article
Full-text available
Macrolophus pygmaeus (Hemiptera: Miridae) is an important predator of pests of horticultural crops and here its ability as a predator of Acyrthosiphon pisum (Hemiptera: Aphididae) is addressed for the first time. The percentage predation of the different aphid instars and the number partially consumed were studied. Our results, obtained using choic...
Article
Application of pest management programs for the food industry reduces pesticide applications, increases the effectiveness of pest suppression to acceptable levels and reduces the cost and risk of negative non-target effects. In these programs, efficient sampling is a decisive factor for undertaking management measures. In this study, a one year sur...
Article
Full-text available
Macrolophus pygmaeus (Rambur, 1839) (Insecta, Heteroptera, Miridae) is a predator of key vegetable crop pests applied as a biocontrol agent in the Mediterranean region. M. pygmaeus and M. melanotoma (A. Costa, 1853) are cryptic species with great morphological similarity which results in their misidentifica-tion and negative consequences for the co...
Article
Pheromone-lured funnel traps are widely used for pest monitoring and mass trapping in agricultural fields and stores. DDVP vapona (dichlorvos), the insecticide of choice as a killing agent inside traps, has been banned, and research on new products is being pursued. Essential oils (EO) could be an alternative if properly formulated. To test their p...
Article
Full-text available
Background Hoverflies (Diptera: Syrphidae) are generalist predators of a great variety of pests. Nasonovia ribisnigri (Hemiptera: Aphididae) and Frankliniella occidentalis (Thysanoptera: Thripidae) are two common pests in Mediterranean lettuce crops, where they occur alongside alternative prey (e.g., Collembola). A semi-field experiment was conduct...
Article
Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) (western flower thrips, WFT) is a key pest in a range of crops worldwide. Anthocorid species (Hemiptera) are important natural enemies of thrips. Several experiments were undertaken to determine whether a thrips lure, methyl isonicotinate (MI), affected the behaviour of WFT and anthoco...
Article
Thrips are small insects that cause direct damage and some transmit viruses to agricultural and horticultural crops and forest trees. Current thrips management requires a significant input of agrichemicals, which creates risks for workers, consumers and the environment. As well, a number of thrips species are of significant quarantine concern. New...
Conference Paper
Full-text available
Rhyzopertha dominica (Fabricius) is one of the most common damaging pests of stored grains causing significant losses worldwide. Eggs are deposited on top of the grain while newly hatched larvae are voracious feeders inside the kernels where they develop until the emergence of adults. In the stored grain ecosystems, the naturally occurring parasito...
Article
Full-text available
In autoparasitoids, females are generally primary endoparasitoids of Hemiptera, while males are hyperparasitoids developing in or on conspecific females or other primary parasitoids. Female host acceptance can be influenced by extrinsic and/or intrinsic factors. In this paper, we are concerned with intrinsic factors such as nutritional status, mati...
Article
The larvae of many hoverflies (Diptera: Syrphidae) are important polyphagous predators used in integrated pest management programs. Because the accurate identification of preimaginal stages by morphological characters is difficult, we have developed a multiplex PCR to identify the immature and/or adult stages of the most common syrphid species in M...
Article
Full-text available
Two glasshouse trials in a capsicum crop near Warkworth, New Zealand, in January 2011 and two field trials in a nectarine orchard near Lleida, Spain, in July 2013 were undertaken to determine if trap capture of Frankliniella occidentalis (western flower thrips, WFT) and Thrips tabaci (onion thrips, OT) could be increased by alternative volatile com...
Article
The species of the genus Orius Wolff are well known as generalist predators able to control pest outbreaks in several agroecosystems. Correct species identification can be problematic given their similarities, particularly in the immature stage. A pair of primers previously designed from the internal transcribed spacer-1 (ITS-1) region was able to...
Conference Paper
Sitophilus zeamais (Motschulsky) y Rhyzopertha dominica (Fabricius) son las plagas de grano almacenado más preocupantes para la industria agroalimentaria. Son capaces de sobrevivir al proceso de pulido y molienda del grano y llegar a contaminar el producto final. Se hace pues necesario, desarrollar métodos efectivos para su control durante el largo...
Article
Bruchid beetles are important pests of field and stored legumes, causing great economic losses. The main pest species are Callosobruchus maculatus, Acanthoscelides obtectus and Zabrotes subfasciatus. Modified atmospheres (MAs) with high carbon dioxide (CO2) content are environmentally friendly pest control methods for stored products. They are effe...
Conference Paper
Sitophilus zeamais and Rhyzopertha dominica are the most concerning pests of stored rice in the Mediterranean coast of Spain. They can survive the polishing process and consequently, adults may be present in the final product. Therefore, alternative methods for its control are necessary during the long storage period. Biocontrol agents are essentia...
Article
Two Macrolophus species, M. melanotoma (=M. caliginosus) and M. pygmaeus, have been referred to as efficient predators of several key pests on vegetable crops in Europe. However, due to the great morphological similarity of these species, they have been confused, with important consequences for inoculative releases of these predators in greenhouses...
Article
Modified atmospheres (MAs) are safe and environmentally friendly alternatives to control pests in stored products. However, to accommodate the requirements of the food industry, the control of insects by a MA can be a too lengthy process. This paper describes the potential of sulphur dioxide as an additive to reduce the long lethal exposure of modi...
Article
Orius laevigatus (Hemiptera: Anthocoridae) is a key predator of thrips and is mass reared in large numbers for use in biological control. The aim of this study was to evaluate the effect of founder population size on the biological and behavioural performance of O. laevigatus over time. Laboratory lines were started from 1, 10 and 50 founder couple...
Article
In this article, we assessed the reproduction rates of the generalist pteromalid parasitoids Anisopteromalus calandrae and Lariophagus distinguendus on the coleopteran pest species, Sitophilus oryzae and Rhyzopertha dominica, when these hosts were offered together under environmental conditions reproducing spring or early summer. These species had...
Article
Macrolophus pygmaeus is commercially employed in the biological control of greenhouse and field vegetable pests. It is morphologically undistinguishable from the cryptic species M. melanotoma, and this interferes with the evaluation of the biological control activity of M. pygmaeus. We analysed the potential of cuticular hydrocarbon composition as...
Article
The use of plant-feeding predators for biological pest control has traditionally been neglected, mainly due to the risk of them feeding on crop plants and causing economically significant damage. Yet, these predators offer advantages for biological pest control. They are mostly generalist predators that have an impact on several crop pests. They ma...
Article
Trialeurodes vaporariorum (Westwood) (Homoptera: Aleyrodidae) white eggs were detached from the leaf and exposed to a range of osmotic concentrations (between − 0.4 and − 2.2 MPa) in controlled conditions. Eggs were able to hatch in the low and medium solute concentrations. In the higher concentrations, eclosion was delayed and significant mortalit...
Article
Multiple mating in females is widespread among insects in spite of the risk of predation, disease acquisition and/or physical injury that may occur. One common consequence of female polyandry is competition among sperm from two or more males within the female to fertilize the ova. This competition is an evolutionary driving force that determines a...
Article
The development of alternative treatments for pest control in food commodities is an increasing demand from the food industry, which should meet consumer demands for the reduced use or elimination of pesticides. The use of carbon dioxide (CO2) at high pressure is one of the most rapid options for arthropod pest control among current commercial trea...
Article
Orius species are important biological control agents of thrips in protected crops. Rearing conditions in mass production facilities may affect their performance in the crop when searching for the target prey. The aim of this study was to evaluate and compare the search behaviour and orientation towards prey of two Orius species, O. laevigatus (Fie...
Article
Nesidiocoris tenuis (Reuter) (Hem. Miridae) is a native zoophytophagous predator of the Mediterranean region, and its populations colonize tomato crops when they are not heavily treated with insecticides. This generalist predator has a high capacity for controlling insect pests, and it is currently commercially produced and released in some areas t...
Article
Macrolophus pygmaeus is a polyphagous mirid bug native to the Mediterranean area where it is widely used in the biological control of whiteflies and other pests in vegetable crops. To assess the presence of eggs in females is important in order to optimize predator release strategies, as well as their mass rearing. This study shows an alternative t...
Article
Full-text available
Females of O. insidiosus deposit their eggs in the plant tissue. This study aimed to evaluate oviposition substrates for this predator. The study was conducted in an air-conditioned room at 25 ± 2ºC, 70 ± 10% RH, and a 12 h photophase. The oviposition substrates used consisted of bean sprouts (Phaseolus vulgaris L.), soybean sprouts [Glycine max (L...
Article
Modified atmospheres based on high carbon dioxide (CO2) content offer an alternative to fumigation for arthropod pest control in durable commodities. The present study aimed to establish the efficacy of using modified atmospheres during packaging (MAP) to control a wide spectrum of pests and their respective developmental stages that affect final f...
Article
The development time for eggs and nymphs and female fertility were determined for Nesidiocoris tenuis Reuter (Het., Miridae: Dicyphini) at 15, 20, 25, 30, 35 and 40 +/- 1 degrees C, using tomato, Solanum esculentum (Miller), as substrate and eggs of Ephestia kuehniella Zeller as substitute prey. At 40 degrees C, N. tenuis was unable to develop and...
Article
are considered key pests of greenhouse cucumbers, causing loss of crop yield, sooty mould, scarring and malformation of fruits. In previous trials, the polyphagous mirid bug Dicyphus tamaninii reduced these pest populations, but no data were available when both preys coexist in the crop. A treatment with a predator:prey ratio of 3:10 considering bo...
Article
Greenhouse whitefly and western flower thrips are considered key pests of greenhouse cucumbers, causing loss of crop yield, sooty mold, scarring and malformation of fruits. In previous trials, the polyphagous mirid bug Dicyphus tamaninii reduced these pest populations but no data were available when both preys coexist in the crop. A treatment with...
Article
Macrolophus caliginosus is a polyphagous mirid bug native to the Mediterranean area where it is widely used as a biological control agent, both in protected and open-field vegetable crops. Its reproductive biology remains largely unknown and a better understanding of it will improve mass rearing and release strategies. In the present work, we studi...
Article
Full-text available
The zoophytophagous mirid bug Macrolophus caliginosus is an important biocontrol agent of whiteflies in the Mediterranean region. Periods of low productivity in commercial breeding units and unsuccessful establishment in greenhouses prompted this study of mating behaviour. Here we describe copulation behaviour, the diel mating periodicity and post-...
Article
The predatory bug Macrolophus caliginosus, which is widely used in greenhouse crops, is limited in its application by its high price. An important factor in the cost is the high price of Ephestia kuehniella eggs, the prey used in their mass rearing. In order to reduce their price, alternatives to moth eggs are currently being investigated. The brin...
Article
Late instar nymphs ofDicyphus tamaniniiWagner (Heteroptera: Miridae) were released in a 1:10 and a 3:10 ratio of the predator to prey in a high initial infestation of 5 adult thrips per leaf and in a low initial infestation of 1 adult thrips per leaf in greenhouse cucumbers. The 3:10D. tamaninii:Frankliniella occidentalis(Pergande) ratio kept thrip...
Article
This work presents the results of an investigation that aimed to evaluate the effectiveness of releases of the omnivorous predator Macrolophus caliginosus Wagner (Heteroptera, Miridae) in the control of Bemisia tabaci Gennadius (Homoptera, Aleyrodidae) on greenhouse melon. Two greenhouse trials were performed, one in spring and one in summer. Adult...
Article
The objectives of this study were to describe the copulatory behaviour and maturation of the sexual organs of the predator M. caliginosus with the aim of implementing its use in augmentative releases in greenhouses. Males actively pursued females but that courtship was almost non-existent; more mating took place during night hours and in the first...
Article
been used as an alternative treatment to methyl bromide for the control of stored product pests. In this study, two different methods were chosen to apply carbon dioxide (CO2): modified atmosphere packaging and high pressure treatments. The aim of our research was to compare the mortality of a range of stored product pests when treated with the two...
Chapter
This book, intended for the scientific community involved in biological control and integrated pest management, commercial companies producing biological control agents, risk assessors and regulatory authorities, compiles the current methodologies used for assessing the environmental impacts of invertebrate biological control agents and guidelines...