Angel Lagunes- Ph. D.
- Professor Emeritus at Colegio de Postgraduados
Angel Lagunes
- Ph. D.
- Professor Emeritus at Colegio de Postgraduados
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65
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Introduction
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Publications
Publications (65)
The Aedes aegypti L. mosquito is a vector of diseases such as classic and hemorrhagic dengue (DENV), chikungunya (CHIKV), Zika (ZIKV), yellow fever (YFV), and Mayaro (MAYV). In 2019 alone, in Latin America, there were 2.7 million cases and 1206 deaths. In Mexico, government programs for managing this pest include the elimination of larval habitats...
Spodoptera frugiperda (Lepidoptera: Noctuidae), mejor conocido como gusano cogollero es un insecto polífago que se alimenta de más de 350 especies de plantas cultivables y silvestres (CABI, 2019). En este sentido, uno de los cultivos de importancia agrícola es el del maíz, pues los daños ocasionados pueden oscilar desde 10 hasta 100% cuando no se d...
In Mexico, some monocultures occupy large areas, and organo-synthetic insecticides are the dominant method of pest control. The conventional chemical strategy is heavily reliant on new insecticides being developed in other countries. This paper discusses the characteristics of traditional/conventional and rational insecticide management. In traditi...
El calentamiento global está produciendo cambios significativos y preocupantes en las plagas que afectan a las plantas cultivadas. Los insectos fitófagos están incrementando su rango de distribución geográfica, presentan más generaciones por temporada y están perdiendo estacionalidad, consumen mayor cantidad de alimento, por lo que su capacidad de...
Aedes aegypti (L.) (Diptera: Culicidae) represents a severe threat to human well-being and health due to the arthropod-borne viruses (arboviruses) it transmits. Its control is implemented mainly through massive applications of insecticides directed to the larval and adult stages. To develop an additional method for combating this vector, eggs (7–15...
The maize weevil (Sitophilus zeamais Motschulsky, 1855; Coleoptera, Curculionidae) is one of the most important pests associated with stored grains. It is controlled almost exclusively with synthetic insecticides. Thus, leading to problems such as pollution and resistance development. Hence an alternative is the use of natural compounds such as edi...
The two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae), is one of the most important pests of cultivated plants. Its control is mainly based on the application of acaricides with concomitant adverse environmental and human health effects. Consequently, we examined the potential of using temperature as an alternative. To that e...
The Asian citrus psyllid, Diaphorina citri (Kuwayama) (Hemiptera: Liviidae), is a severe pest of citrus orchards worldwide. Its control is based mainly on the use of conventional insecticides, and resistance to many of those compounds is widespread. Phenotypic bioassays to detect resistance compare the response of a field-collected population with...
El maíz (Zea mays L.) es un cultivo fundamental en la alimentación de los mexicanos. Además, tiene connotaciones divinas, místicas, tradicionales y poéticas. Sin duda, es una de las más importantes aportaciones de México a la gastronomía y nutrición del mundo. La creación de variedades del grano de maíz y sus derivados ha sido un proceso desarrolla...
Los insectos plaga de los cereales almacenados causan pérdidas entre 10 y 20%, lo que hace necesaria la búsqueda de alternativas de control efectivas, amigables con el medio ambiente y que no representen riegos para la salud de las personas. El objetivo de la presente investigación fue evaluar, en condiciones de laboratorio, la acción insecticida e...
Early detection of resistance to acaricides in Tetranychus urticae Koch (Acari: Tetranychidae) populations is important for the implementation of efficient control methods. Current methodologies to detect resistance in the laboratory require exposure to acaricides for 24 to 72 h. Our objective was to design a reliable method faster than the current...
The fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is the most economically important pest of maize (Zea mays L.) grown in Mexico. In order to identify biologically based management tactics for this pest, we determined the concentration–mortality response of 16 S. frugiperda populations collected in Mexico to two commer...
Sitophilus zeamais is one of the major pests of stored cereals worldwide and its control is based on the use of synthetic insecticides, but their irrational use has caused environmental pollution and resistance. Essential oils have shown contact and fumigant insecticidal effect and could be an alternative to synthetic compounds. Hence, the insectic...
Cut rose growers in the municipalities of Villa Guerrero, Tanancingo,
Coatepec Harinas, and Ixtapan de la Sal, in the state of Mexico, Mexico,
have reported low effectiveness of abamectin in the control of Tetranychus
urticae, possibly due to development of resistance. The objective
of this study was to determine the response of 4 field populations...
The use of non-conventional insecticides and entomopathogenic
fungi to control adult mosquitoes is increasing; however, the current
methods are designed to evaluate the insecticidal action of the active
ingredient. We describe the bioassay method to evaluate the effect
of non-conventional insecticides and entomopathogenic fungi to control mosquitoe...
The pepper tree (Schinus molle L.) has secondary metabolites with insecticidal activity. The objective of this study was to assess under laboratory conditions the insecticidal and insectistatic activity of fruit powder and essential oil of S. molle against Sitophilus zeamais. In contact toxicity bioassays, the highest mortality was observed with es...
The pepper tree (Schinus molle L.) has secondary metabolites with insecticidal activity. The objective of this study was to assess under laboratory conditions the insecticidal and insectistatic activity of fruit powder and essential oil of S. molle against Sitophilus zeamais. In contact toxicity bioassays, the highest mortality was observed with es...
Aedes aegypti may be considered the most dangerous animal to the human being due to the number and severity of the diseases it transmits. We evaluated the relative toxicity of spinosad against eggs, larvae, pupae, and females of the New Orleans strain of this species. Initially, we estimated the concentrations that caused between 0 and 100% mortali...
Andricus quercuslaurinus Melika & Pujade-Villar (Hymenoptera: Cynipidae) is a gall wasp from the branches (asexual reproduction) and leaves (sexual reproduction) of the Quercus affinis Scheidw. oak in Acaxochitlán, Hidalgo, Mexico. Severe infestations on the leaves cause a delay in growth and, given time, the death of trees with large levels of dam...
Cereals constitute a relevant part of human and domestic animal diet. Under storage conditions, one of the most significant problems of these crops is the insect pests as the maize weevil (Sitophilus zeamais Motschulsky). This species of insect is usually controlled by means of synthetic insecticides but problems as toxic residues and resistance ha...
The bioassay as a method to evaluate the effectiveness of insecticides is a tool to support decision-making in the management of insecticides. In this paper was compared the toxicity and determined the susceptibility references of methyl parathion, ethyl chlorpyrifos, malathion, methomyl, permethrin and fenvalerate using maize weevil Sitophilus zea...
The maize weevil (Sitophilus zeamais Motschulsky) is one of most important pest of stored seeds worldwide, but its current control method is based on the use of synthetic insecticides, usually leading to undesirable problems such as insecticide residues on treated food, human intoxications, and insect resistance development. Therefore the search of...
Sitophilus zeamais is a key pest of stored cereals. The insecticidal properties of Laurelia sempervirens powder against S. zeamais were assessed in laboratory. The variable evaluated were mortality of adult insects by contact and fumigant toxicity, mortality of immature insects by contact toxicity, residual effect of powder stored under environment...
The maize weevil Sitophilus zeamais Motschulsky is a worldwide key pest of stored products. Usually contact insecticides or fumigants are used against it, but problems as toxic residues, human intoxications, and resistance have triggered the search for alternative control methods as the use of essential oils. The objective of this research was to a...
In the State of Mexico, cut rose (Rosa x hybrida) grown under greenhouse conditions has as a commercial constraint the low phytosanitary quality of its flower buds. To improve this quality, three growth regulators containing cytokinins (two commercial products and one prepared at a dose of 0.001 ppm from a technical-grade growth regulator, all at t...
Maize weevil (Sitophilus zeamais Motschulsky) is one of the major pests of stored grains worldwide. Contact and fumigant toxicity, as well as repellent effects of essential oil from leaves of Peumus boldus Molina were tested in the laboratory against maize weevil. Leaves of Peumus boldus Molina were collected in autumn. The highest contact toxicity...
The insecticidal properties of foliage ́s powder of Peumus boldus Molina against adults and immature S. zeamais were evaluated. The highest toxicity in contact and fumigant activity was reached by concentrations upper to 1.25% showing mortality over to 90%. The treatments with high mortality showed a lower adult insect emergence (F1) and grain weig...
The insecticidal properties of water-extract of Peumus boldus Molina and its effect on the development cycle and feeding habits of Spodoptera frugiperda J.E. Smith and Helicoverpa zea Boddie were evaluated under laboratory conditions in concentrations of 0.25, 0.5, 1.0, 2.0, 4.0, and 8.0% (w/w). Spodoptera frugiperda was the most susceptible with 7...
The maize weevil (Sitophilus zeamais Motschulsky) and the red flour beetle (Tribolium castaneum Herbst) are two key pests of stored-grain products worldwide. The insecticidal activity of boldo (Peumus boldus Molina) powder, liquid ethanolic and hexanic extracts against S. zeamais and T. castaneum were evaluated under laboratory conditions. The eval...
The spider mite, Tetranychus urticae Koch., is one of the most important pests of cut rose (Rosa x hybrida) in the State of México and, its primary control it's through the use of acaricides, such as propargite; the producers initially used it with satisfactory results and currently it does not control this pest anymore. In order to estimate the le...
The maize weevil (Sitophilus zeamais Motschulsky) is one of the most widespread pests and causes heavy losses of stored grain throughout the world. Control of this insect is primarily dependent upon continued applications of organophosphorus and pyrethroid insecticides and fumigants as phosphine but the increasing problems with current insecticides...
The maize weevil (Sitophilus zeamais Motschulsky) is one of the most widespread pests and causes heavy losses of stored grain throughout the world. Control of this insect is primarily dependent upon continued applications of organophosphorus and pyrethroid insecticides and fumigants as phosphine but the increasing problems with current insecticides...
The present study was conducted to assess the use of floral protectors alone or impregnated with phytohormones (gibberellins or cytokinins) to increase bud quality. The floral protectors prevented the entry of thrips to the flower bud and increased the flower bud quality in the varieties Black Magic and Polo. The floral protector alone and gibberel...
Se ha documentado que existen diferencias en la susceptibilidad de algunas especies de insectos adultos a diferentes insecticidas según su sexo, en los que se indica que los machos han mostrado mayor susceptibilidad que las hembras. Esto lleva a la necesidad de determinar su sexo antes de realizar el bioensayo, lo cual es tardado y tedioso, además...
RESUMEN Se determinó la susceptibilidad al insecticida piretroide bifentrina en dos poblaciones de Trialeurodes vaporariorum (Westwood): una procedente del estado de Jalisco (T-JAL) y otra susceptible procedente de Texcoco, Estado de México (T-SUS); y en tres poblaciones de Bemisia tabaci (Gennadius) biotipo B procedentes de los estados de Tamaulip...
Gynaikothrips ficorum (Marchal) is a pest of the laurel tree in urban zones and insecticides are possibly used for its control, but its initial response to these products is unknown. Therefore susceptibility of various populations of this species was determined (Texcoco, Córdoba and Tlayacapan) to the insecticides permethrin, cypermethrin, diazinón...
Gynaikothrips ficorum (Marchal) is a pest of the laurel tree in urban zones and insecticides are possibly used for its control, but its initial response to these products is unknown. Therefore susceptibility of various populations of this species was determined (Texcoco, Córdoba and Tlayacapan) to the insecticides permethrin, cypermethrin, diazinon...
Se evaluaron las propiedades insecticidas del polvo de boldo, Peumus boldus Molina, contra larvas de Spodoptera frugiperda (J. E. Smith) y Helicoverpa zea (Boddie). Se realizaron bioensayos para evaluar mortalidad, efecto en el desarrollo, y las preferencias alimentarias en larvas neonatas y de tercer instar. En ambas especies, la mayor mortalidad...
In two field-collected populations of de Bemisia tabaci (Gennadius) B biotype previously selected with the neonicotinoid insecticide thiamethoxam (NEO-R, NEO-N), and a population susceptible to insecticides (SUSC), the level of response to the insecticide thiametoxam, as well as the life and fertility tables were determined. At LC95, the NEO-R popu...
Spiromesifen is an insecticide that inhibits the synthesis of lipids and, in Mexico, its use against the Tomato-Potato Psyllid, Bactericera cockerelli (Sulc), on chili pepper (Capsicum annum), tomato (Lycopersicon sculentum) and potato (Solanum tuberosum) began in 2005; however more information is needed to understand its toxicity on this insect pe...
The rational use of insecticides requires previous evaluation of the effectiveness of the chemicals to be used. This may reduce the use of noneffective products and prevent rising production costs and pollution. To facilitate bioassays in the laboratory, susceptibility values (LD50) of 64 insecticides and acaricides for 33 species of arthropods ar...
The rational use of insecticides requires previous evaluation of the effectiveness of the chemicals to be used. This may reduce the use of non-effective products and prevent rising production costs and pollution. To facilitate bioassays in the laboratory, susceptibility values (LD50) of 64 insecticides and acaricides for 33 species of arthropods ar...
The tomato-potato psyllid, Bactericera cockerelli (Sulc.), is one of the most important pests of chili pepper (Capsicum spp.), tomato (Lycopersicon esculentum Mill.), and potato (Solanum tuberusum L.) in México. Insecticides are used for its control, and the farmers perceive that their biological effectiveness is not satisfactory. In nymphs, LC50,...
The sweet potato whitefly, Bemisia tabaci (Gennadius), B Biotype (MB) from the region of Ciudad del Maíz, San Luis Potosí (SLP), México, developed field resistance to thiamethoxam insecticide in 2004; therefore, it is necessary to implement strategies for its management. It is essential to know if such resistance is stable or decreases throughout v...
El algodonero Bollgard IIR expresa las ¿Â-endotoxinas Cry1Ac y Cry2Ab de Bacillus thuringiensis Berliner, controla larvas de Helicoverpa zea (Boddie) y es probable que en un futuro cercano se empiece a utilizar en la agricultura mexicana. Sin embargo, se desconoce la susceptibilidad inicial a esta toxina en poblaciones de H. zea. El objetivo de est...
Bollgard II® cotton expresses the δ-endotoxins Cry1Ac and Cry2Ab of Bacillus thuringiensis Berliner, controls larvae of Helicoverpa zea (Boddie), and will probably be used in the near future in Mexican agriculture. However, the initial susceptibility to this toxin in populations of H. zea is unknown. The objective of the present study was to determ...
Susceptibility to acetamiprid, Cypermethrin, imidacloprid, pymetrozine and thiamethoxam was determined in two populations of sweet potato whitefly Bemisia tabaci (Gennadius), Biotype B, collected in the states of Baja California and Sinaloa, Mexico. In comparison to a susceptible population, at 50% mortality, the highest resistance ratios (RR50) we...
The sweet potato whitefly, Bemisia tabaci (Gennadius), B Biotype (MB) from the region of Ciudad del Maíz, San Luis Potosí (SLP), México, developed field resistance to thiamethoxam insecticide in 2004; therefore, it is necessary to implement strategies for its management. It is essential to know if such resistance is stable or decreases throughout v...
Populations of diamondback moth, Plutella xylostella (L.), sampled from commercial fields of crucifers in three states of Mexico, were tested for susceptibility to commercial formulations of Bacillus thuringiensis subsp. kurstaki (Berliner) (Dipel 2X), B. thuringiensis subsp. aizawai (XenTari), delta endotoxin Cry 1C (MC), and CryIA(c) (MVP), and a...
Seven technical grade insecticides were evaluated against a susceptible population and against two field populations of the potato tuberworm Phthorimaea operculella (Zeller) by topical application to third-instar larvae. Using a standard susceptible laboratory colony, we calculated median lethal doses (LD50) of 0.39, 0.059, 0.12, 0.00022, 0.18, 0.0...
Susceptibility levels to 12 insecticides were determined in Myzus persicae populations, collected on pepper fields in Rioverde, San Luis Potosi, and San Luis de la Paz, Guanajuato, Mexico. Tolerance to ometoato was determined in the first locality; in the second one, tolerance was determined to endosulfan, omethoate, methomyl, permethrin and cyperm...
The susceptibility to insecticides of colonies of the maize weevil Sitophilus zeamais Motsch. from different localities of Mexico was determined. The insecticides used were: DDT, lindane, methyl parathion, ethyl parathion, methomyl and permethrin. The localities were: Veracruz, Puebla, Guanajuato, Yucatan, Oaxaca, Edo. de Mexico, Jalisco, and Tamau...
En la presente investigación se realizaron pruebas biológicas con extractos acuosos de Cestrum anagyris, C. fasciculatum, C. lanatum, C. nocturnum, C. roseum y C. thyrsoideum (Solanaceae) para detectar acticidad tóxica contra el mosquito doméstico Culex quinquefasciatus. Las especies C. anagyris, C. roseum y C. thyrsoideum resultaron tóxicas. Con l...
The concept of insecticide rotations as a resistance-delaying tactic was examined in sib populations of Culex quinquefasciatus through the application of selection pressure by single insecticides over several generations followed by relaxation of pressure, and through selection by short- and long-term rotation of the chemicals. Temephos, permethrin...
Se evaluaron preparados en polvo de 13 plantas aplicados sólo o en mezcladas con carbonato de calcio para el control de Sitophilus zeamais en condiciones de laboratorio. Con este objetivo se mezclaron 250 g de maíz con los polvos respectivos a una concentración del 1% (p/p) en frascos de 400 ml y posteriormente se infestaron con 20 parejas de S. ze...
Obra cuyo objetivo es dar cuenta de las dimensiones y el lugar que ocupa la horticultura ornamental dentro de la agricultura del país; se identifican los estados y los municipios donde se llevan a cabo los diferentes sistemas de producción en el área.
Thesis (Ph. D.)--University of California, Riverside, 1980. Includes bibliographical references (leaves 196-209).
Se determinó la susceptibilidad a los insecticidas acetamiprid, cipermetrina, imidacloprid, pymetrozina y thiamethoxam en dos poblaciones de mosquita blanca, Bemisia tabaci (Gennadius), Biotipo B, colectadas en los estados de Baja California y Sinaloa, México. En relación a una población susceptible, a nivel de 50% de mortalidad, la proporción de r...
