Francisco Díaz-Fleischer

Francisco Díaz-Fleischer
Universidad Veracruzana | UV · Instituto de Biotecnología y Ecología Aplicada (INBIOTECA)

PhD

About

111
Publications
39,227
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1,867
Citations
Additional affiliations
August 2005 - present
Universidad Veracruzana
Position
  • Senior Researcher

Publications

Publications (111)
Article
Full-text available
The mistletoe Psittacanthus schiedeanus, a keystone species in interaction networks between plants, pollinators, and seed dispersers, infects a wide range of native and non-native tree species of commercial interest. Here, using RNA-seq methodology we assembled the whole circularized quadripartite structure of P. schiedeanus chloroplast genome and...
Article
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Copulation and/or ejaculate components can alter female physiological state and female post-mating behavior. The objective of the present study was to determine if copulation and male reproductive accessory gland products (MAGs) modify the behavior of female Anastrepha ludens (Loew) and Anastrepha obliqua (Macquart; Diptera: Tephritidae) in respons...
Article
The new desiccation-resistant (DR) strain of Anastrepha ludens Loew differs in its life-history traits from the non-selected strain (NS). Given the innate resistance of DR flies to stressors, it is necessary to determine the packing and shipment conditions for their use in the sterile insect technique (SIT). First, we used pupae to evaluate the int...
Article
Mating and receiving ejaculate can alter female insect physiology and postcopulatory behaviour. During mating, females receive both internal and external stimuli and different components in the ejaculate. In insects, these components consist mostly of sperm and male accessory gland secretions. Some of the most important changes associated with rece...
Chapter
Full-text available
Resumen. Los estudios básicos sobre biología y comportamiento de un insecto plaga con-forman el soporte principal para el desarrollo y aplicación de métodos de control efectivos y racionales. El conocimiento de aquellos factores bióticos y abióticos que regulan la distribución y abundancia de los insectos son importantes herramientas de decisión en...
Article
Survival and mating success are traits of quality in mass-reared sterile males. Thus, studying the trade-offs between these traits may help to improve process in the sterile insect technique (SIT). Here, we tested the hypothesis that modifying individual metabolism, especially of energetic reserves, may reduce the negative impact of an early reprod...
Article
The sterile insect technique (SIT), an environmentally friendly means of control, is currently used against plant, animal, and human pests under the area-wide integrated pest management. It consists in the mass production, sterilization, and release of insects in an affected area where sterile males mate with wild females leading to no reproduction...
Article
The sterile insect technique (SIT), an environmentally friendly means of control, is currently used against plant, animal, and human pests under the area-wide integrated pest management. It consists in the mass production, sterilization, and release of insects in an affected area where sterile males mate with wild females leading to no reproduction...
Article
Full-text available
The sterile insect technique (SIT), used to control different species of tephritid fruit flies (Diptera: Tephritidae), is an important element in sustainable agriculture because of its low negative impact on the environment. In SIT, flies are mass produced and sterilized in the laboratory and then released in a target area. However, once released,...
Article
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Anastrepha ludens (Loew) (Diptera: Tephritidae) is an endemic pest of Mexico, attacking several fruits of economic importance. The Sterile Insect Technique (SIT), consisting of mass-rearing, irradiation and release of adults, is used to control this pest in affected areas. Currently, a genetic sexing strain (Tapachula 7, Tap-7) consisting only of A...
Article
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Over a two–year period, we surveyed natural areas of the Mayan rainforest in Quintana Roo, Mexico. We found 11 species of Anastrepha Schiner (Diptera: Tephritidae) infesting 25 species of fruits belonging to ten plant families. We report the first records of 10 host plant species of the genus Anastrepha, which include the first report of a plant fa...
Article
The sterile insect technique (SIT), used for the control of many tephritid fly pests, is based on the rearing and release of large numbers of sexually competitive sterile insects into a wild population. In the interest of reducing expenses and increasing SIT effectiveness, genetic sexing strains (GSS) have been developed. These strains allow the pr...
Article
Glyphosate-based herbicides (GBHs) have negative effects on the fitness parameters of earthworms; however, these effects may vary from one commercial product to another and between different recommended doses. Additionally, frequent applications of GBHs may decrease the thickness of the topsoil layer due to increased soil erosion through vegetation...
Article
Glyphosate-based herbicides (GBHs) have negative effects on the fitness parameters of earthworms; however, these effects may vary from one commercial product to another and between different recommended doses. Additionally, frequent applications of GBHs may decrease the thickness of the topsoil layer due to increased soil erosion through vegetation...
Article
Full-text available
Diachasmimorpha longicaudata (Ashmead) (Hymenoptera: Braconidae) is a solitary parasitoid used in augmentative releases to control Tephritidae (Diptera) fruit flies of economic importance. Pre‐release process includes packing adult parasitoids in cages at high densities and expose them to a temperature of 2 ± 2 °C during 105 min. In this process, f...
Article
Anastrepha ludens is a major pest of fruits including citrus and mangoes in Mexico and Central America with major economic and social impacts. Despite its importance, our knowledge on its embryonic development is scarce. Here, we report the first cytological study of embryonic development in A. ludens and provide a transcriptional landscape during...
Article
Full-text available
For insect pests controlled through the Sterile Insect Technique (SIT), which consists in the mass production, sterilization, and release of target insects into affected areas, sterile male mating success with wild females is the key that will reduce population levels in the next generation. Male size is assumed to be important for mating success,...
Article
Full-text available
Chytridiomycosis caused by fungus Batrachochytrium dendrobatidis (Bd) is one of the decline global causes of amphibians. Currently, it is distributed throughout a broad range of climates and ecosystems around the world. An epidemic wave of chytridiomycosis began in North America, resulting in population decline and local extinction of many species,...
Article
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Monophagous insects that use discrete resources for oviposition and feeding are especially sensitive to variations in host quality and availability because their opportunities to find these resources are scarce. The monophagous tephritid fly Anastrepha spatulata Stone is a tephritid fly that uses as hosts the fruits of the non-economically importan...
Article
Anastrepha ludens (Loew) is one of the most important pests of citrus and mango crops in Mexico. A method used to control this pest is the sterile insect technique, which consists in the mass production, irradiation, and release of insects in affected areas. The production of insects begins with the establishment of colonies to produce eggs, which...
Article
The aim of this study was to experimentally test for adult cross-resistance to hypoxia or anoxia in a desiccation-resistant population of Anastrepha ludens Loew. We compared desiccation resistant flies with unselected (control) flies by measuring the effect of pre-emergence hypoxia on some fitness parameters (emergence, flight ability, copulation s...
Article
Full-text available
Polyols are commonly used in food and medicines as sweeteners and preservatives but may also have insecticidal properties against some species of Diptera. Here we compared the insecticidal activity and feeding response of glycerol and propylene glycol (PG) on two tephritids: Anastrepha ludens and Anastrepha obliqua, and the drosophilid Drosophila s...
Article
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To favor and standardize fruit fly production, many environmental factors are regulated in a mass-rearing facility. Specifically, in the holding rooms where sterile fruit flies are kept before releasing, they are exposed to constant darkness in order to reduce aggressive interactions and depletion of energy resources. However, such light conditions...
Article
Phenotypic plasticity is thought to evolve in response to environmental unpredictability and can shield genotypes from selection. However, selection can also act on plastic traits. Egg-laying behaviour, including clutch size regulation, is a plastic behavioural trait among tephritid fruit flies. We compared plasticity in clutch size regulation amon...
Article
The fraterculus species group, composed of 34 species in the genus Anastrepha (Diptera: Tephritidae), includes the fraterculus cryptic species complex formed by eight reproductively isolated morphotypes. A previous study revealed six genetic mitochondrial types of Anastrepha obliqua, suggesting the existence of a second cryptic species complex. How...
Article
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Avoiding water loss for insects is critical for survival. Selection for reduced water loss will depend on trade-offs between resources allocated for reproduction and those allocated for resisting desiccation. However, we lack knowledge on how selection for desiccation resistance can affect the male ejaculate. Furthermore, as male ejaculate composit...
Article
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The use of multiple species in biological control programmes is controversial when interactions among them are not fully understood. We determined the response of the pupal parasitoid Coptera haywardi (Oglobin) to different availability of Anastrepha ludens (Loew) pupae previously parasitized or not by larval–pupal Diachasmimorpha longicaudata (Ash...
Article
Full-text available
The production of genetic sexing strains (GSS) of tephritid flies for sterile insect technique (SIT) programs convey the need to determine new conditions for packing and shipment since these flies are more susceptible to stressors than standard bisexual strains. We studied the effect of hypoxia, pupae size, and temperature on the new GSS Tapachula-...
Patent
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It is a new lure-and-kill device based on Torricelli’s barometer principle. The dispensers were kept under field conditions for 42 days. After this time both, insecticide and lures were active. The device is efficient when used with the liquid baits currently employed in the control of tephritid flies. It also offers a high potential for combining...
Article
Among the many Magnolia species that are endangered by anthropogenic disturbance, some are known to have the capacity to produce new shoots. Demographic studies are an important tool to evaluate the impact of disturbances as well as the resilience and resistance of endangered species. Our study looked at the demographic dynamics of two Magnolia sch...
Article
Full-text available
The sterile insect technique (SIT) is an effective, environmentally friendly method for insect control whose success depends on the sexual performance and survival of sterile males. These two parameters are influenced by environmental conditions of target areas, and releasing insects with a higher tolerance to stressful environments can improve SIT...
Article
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Agricultural pests represent a limiting factor for safety food production. Environmental friendly alternatives to the use of synthetic pesticides are required. Here we evaluated the effect of a novel insecticide and a new designed bait station using Anastrepha ludens sterile flies in release–recapture tests in mango orchards. Seven treatments were...
Article
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Fluorescent dyes are commonly used in the sterile insect technique (SIT) for marking insects for a proper identification after recapture. However, the quality of the mark must be balanced against insect performance, because dyes can negatively affect some parameters of insect performance and reduce their effectiveness in control with the SIT. We de...
Article
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The knowledge of saturniid moths is relevant because of their susceptibility to environmental conditions and the important number of ecological interactions they exhibit. In this study we report the species richness and abundance of the saturniids captured in a fragment of tropical semi-deciduous forest in central Veracruz, Mexico. The moths were a...
Article
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Toxic environmental effects of most insecticides have led to a search for bio-organic insecticides. In this study, we tested the effects of lethal and sublethal exposure to two abamectin-based insecticides (VOLIAM TARGO and LUQ-THOR) on survival, mating, and oviposition of the tephritid Anastrepha ludens (Loew). Different doses of insecticides (0.0...
Article
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Background: Field activity of the mixtures of liquid baits and insecticides used in the control of tephritid pests is normally short, both when they are sprayed or when used in trapping or in attract and kill devices. A new lure and kill device based on the Torricelli barometer principle was tested as a long lasting dispenser for two liquid hydrol...
Article
Full-text available
Species that exhibit broad ranges of distribution may successfully navigate environmental changes by modifying some of their life history traits. Environmental humidity imposes a critical stress that organisms may overcome by increasing their resistance to desiccation. We used experimental evolution to investigate adaptation to desiccation in the t...
Article
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A simplified and improved rearing system was developed for the mahogany shoot borer, Hypsipyla grandella (Zeller) (Lepidoptera: Pyralidae) in the laboratory. Improvements were made in neonate rearing, larval containers, adult mating cages and the diet, making the rearing protocols more suitable for eventual large-scale rearing. The larval diet was...
Article
Full-text available
The sterile insect technique (SIT) has been used successfully for the control of fruit flies. The efficiency of this technique can be significantly reduced when sterile released insects are exposed to adverse conditions and predators, as a great number of sterile insects die before reaching sexual maturity and thus fail to mate with wild females. T...
Article
Full-text available
The mahogany shoot borer Hypsipyla grandella (Zeller) is one of the worst neotropical forest pests. Currently there is no control method that effectively reduces levels of infestation to an economically acceptable threshold. Basic knowledge on the sexual behavior of this pest is required to develop control methods. However, so far reproduction in t...
Article
Full-text available
The use of genetic sexing strain (GSS) insects in the sterile insect technique (SIT) makes necessary the revision of quality parameters of some stressful steps used during the packing process for aerial release because of possible differences in tolerance between fly strains. Here, we determined the effect of three periods of hypoxia (12, 24, and 3...
Article
Full-text available
Tephritid pests controlled through the sterile insect technique (SIT) are mass-reared and subsequently released in affected areas. Several quality parameters are currently used to test adults, but none take into account interactions with a predator. When sterile males are released in the field, they will need to avoid predators until they reach sex...
Article
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Female remating in target pest species can affect the efficacy of control methods such as the Sterile Insect Technique (SIT) but very little is known about the postcopulatory mating behavior of these pests. In this study, we investigated the remating behavior of female Anastrepha serpentina (Diptera: Tephritidae), an oligophagous pest of Sapotaceae...
Article
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Interactions between prey and predators are often mediated by signals sent by the prey. Passive signals such as aposematic coloration and active signals such as pursuit deterrence signals are thought to prevent attack from predators. In true fruit flies (Diptera: Tephritidae), the defensive wing display is called supination, and studies have shown...
Article
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McPhail type traps are commonly used to catch tephritid pests using liquid baits as attractants. Unfortunately, these traps allow that some flies escape after feeding on the bait. Recently, a long-lasting and nontoxic enzymatic-hydrolyzed protein, known commercially as CeraTrap, has been introduced as a novel liquid bait. Because feeding on hydroly...
Article
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Parasitoid reproduction is often limited by disposable time for accessing hosts or egg availability. In the case of synovigenic parasitoids (which mature eggs during their lifetime), theory predicts that egg limitation is infrequent because they are able to replenish their egg supply throughout life. However, this theory does not contemplate the ef...
Article
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Field and laboratory no-choice oviposition tests were performed to determine whether the ‘Persian’ lime (Citrus latifolia Tanaka) is a host of Anastrepha ludens Loew (Diptera: Tephritidae). Trapping and fruit sampling were performed to determine adult population densities and the level of infestation in the two lime orchards. Additionally, unharves...
Article
Full-text available
Influence of season and organ on antibacterial activity of Magnolia dealbata Zucc. against two phytopathogenic bacteria, Chemistry and Ecology, makes every effort to ensure the accuracy of all the information (the "Content") contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representatio...
Article
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The present study was set out to determine the insecticidal properties of different vegetative structures of Magnolia schiedeana Schltl. (Magnoliaceae) against adults of Anastrepha ludens (Loew) (Diptera: Tephritidae). To evaluate the insecticidal effect, a feed bio-essay was conducted on adult individuals using ethanol extracts of vegetative struc...
Article
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There is limited knowledge regarding vegetation structure and dynamics as estimators of performance of forest plantations and natural regeneration in the rehabilitation of degraded lands, and neither is well estimated the effect of extensive livestock grazing on both. The objective of this study was to compare the number of individuals and mean gro...
Article
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Site-specific recombination technologies are powerful new tools for the manipulation of genomic DNA in insects that can improve transgenesis strategies such as targeting transgene insertions, allowing transgene cassette exchange and DNA mobilization for transgene stabilization. However, understanding the fitness cost implications of these manipulat...
Article
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The suitability of mature green 'Maradol' papaya as a host of Anastrepha ludens (Loew) was studied under field and laboratory conditions. Field tests were conducted on commercial-ripened and spot-ripened fruit in two orchards and during two seasons in the state of Chiapas. Fruits at exportation ripeness are in "commercial ripeness", while fruits th...
Article
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Conspicuous body colouration in sedentary predators such as orb web spiders seems paradoxical as potential prey can see and avoid the webs. Several studies have demonstrated that rather than deterring prey, the colours act as sensory traps for flower-seeking insects. In chromatically polymorphic species, the existence of more than one colour morph...
Chapter
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The development of effective fruit fly trapping methods depends on knowing the factors that affect the temporal and spatial activity of the target species. Several endogenous factors, such as the flies’ nutritional and mating status, sexual development, age, and gender, influence fly physiological condition and directly impact the effectiveness of...