| population dynamics of aceria guerreronis keifer (acari: eriophyidae) and associated predators on coconut fruits in northeastern brazil. | aceria guerreronis keifer can cause severe damage to coconuts in several countries around the world. rare studies have been conducted to determine the predatory mites associated with a. guerreronis in brazil. the study evaluated the prevalence of a. guerreronis and associated predators on the bracts and on the surface of the fruits underneath the bracts, for 12 months, on coconut palms grown along the coast of the states of alagoas, paraíba and pernambuco, northeastern brazil. mites of 10 famili ... | 2008 | 18813749 |
| [can euseius alatus deleon (acari: phytoseiidae) prey on aceria guerreronis keifer (acari: eriophyidae) in coconut palm?]. | mites of the genus euseius are generally considered specialist as pollen feeders. euseius alatus deleon is one of the six species of phytoseiid mites most commonly found on coconut plants in northeast brazil associated with aceria guerreronis keifer. although the morphology of e. alatus does not favor the exploitation of the meristematic area of the fruit inhabited by a. guerreronis, the predator may have some role in the control of this eriophyid during the dispersion process. the objective of ... | 2009 | 19347108 |
| enabling mycelial application of hirsutella thompsonii for managing the coconut mite. | laboratory and field studies were conducted to examine the prospect of mycelial application of hirsutella thompsonii as an alternative to the use of mycelial-conidial formulations of the fungus in the suppression of the coconut mite, aceria guerreronis. in a series of laboratory experiments, glycerol, yeast extract powder and dehydrated malt extract broth were found to be the best among nine substances investigated as possible adjuvants for use on coconut palms in the field along with h. thompso ... | 2008 | 18685957 |
| exploration of the acarine fauna on coconut palm in brazil with emphasis on aceria guerreronis (acari: eriophyidae) and its natural enemies. | coconut is an important crop in tropical and subtropical regions. among the mites that infest coconut palms, aceria guerreronis keifer is economically the most important. we conducted surveys throughout the coconut growing areas of brazil. samples were taken from attached coconuts, leaflets, fallen coconuts and inflorescences of coconut palms in 112 localities aiming to determine the occurrence and the distribution of phytophagous mites, particularly a. guerreronis, and associated natural enemie ... | 2008 | 18062836 |
| diet-dependent life history, feeding preference and thermal requirements of the predatory mite neoseiulus baraki (acari: phytoseiidae). | neoseiulus baraki athias-henriot (acari: phytoseiidae) has been reported from the americas, africa and asia, often in association with aceria guerreronis keifer (acari: eriophyidae), one of the most important pests of coconut (cocos nucifera l.) in different parts of the world. that phytoseiid has been considered one of the most common predators associated with a. guerreronis in brazil. the objective of this study was to evaluate the feeding preference and the effect of food items commonly prese ... | 2010 | 19774469 |
| life history of proctolaelaps bulbosus feeding on the coconut mite aceria guerreronis and other possible food types occurring on coconut fruits. | aceria guerreronis keifer (acari: eriophyidae) is a major pest of coconut fruits (cocos nucifera l.) in many countries of the americas, africa, and parts of asia. considerable attention has been given to studies of biological control agents of a. guerreronis. proctolaelaps bulbosus moraes, reis and gondim jr. is a predator recently discovered in association with a. guerreronis. nothing is known about its biology. the aim of this study was to determine suitable food sources for p. bulbosus, among ... | 2011 | 20835918 |
| pathogenicity of fusarium semitectum against crop pests and its biosafety to non-target organisms. | microbial control is receiving more attention, since these alternative tactics, compared to chemical control methods, are energy saving, non polluting, ecologically sound and sustainable. a mycopathogen, fusarium semitectum berk. and rav. (arsef 7233) was isolated from diseased cadavers of aphid (aphis gossypii) and cultured in saboraud maltose agar supplemented with yeast extract medium (smay). being isolated first time from the chilli ecosystem its potential was evaluated. experiments were con ... | 2006 | 17385514 |
| population-level effects of abamectin, azadirachtin and fenpyroximate on the predatory mite neoseiulus baraki. | the coconut production system, in which the coconut mite aceria guerreronis is considered a key pest, provides an interesting model for integration of biological and chemical control. in brazil, the most promising biological control agent for the coconut mite is the phytoseiid predator neoseiulus baraki. however, acaricides are widely used to control the coconut mite, although they frequently produce unsatisfactory results. in this study, we evaluated the simultaneous direct effect of dry residu ... | 2016 | 27495808 |
| rearing of coconut mite aceria guerreronis and the predatory mite neoseiulus baraki in the laboratory. | a method was developed for the rearing of coconut mite, aceria guerreronis keifer (acari: eriophyidae), and its predatory mite neoseiulus baraki (athias-henriot) (acari: phytoseiidae) on embryo culture seedlings of coconut (cocos nucifera) in the laboratory. seedlings in the ages of <2, 2-4 and 4-6 months were infested with 75 field-collected coconut mites and the population growth was determined up to six weeks after introduction. the populations of coconut mites increased exponentially up to f ... | 2008 | 18058025 |
| host finding behaviour of the coconut mite aceria guerreronis. | for the coconut mite, aceria guerreronis keifer, its host plant, the coconut palm, is not merely a source of food, but more generally a habitat to live in for several generations. for these minute organisms, finding a new plant is difficult and risky, especially because their main mode of dispersal is passive drifting with the wind and because they are highly specialized on their host plant. consequently, the probability of landing on a suitable host is very low, let alone to land in their speci ... | 2014 | 25033768 |
| limits to ambulatory displacement of coconut mites in absence and presence of food-related cues. | ambulatory movement of plant-feeding mites sets limits to the distances they can cover to reach a new food source. in absence of food-related cues these limits are determined by survival, walking activity, walking path tortuosity and walking speed, whereas in presence of food the limits are also determined by the ability to orient and direct the path towards the food source location. for eriophyoid mites such limits are even more severe because they are among the smallest mites on earth, because ... | 2014 | 24233102 |
| the invasive coconut mite aceria guerreronis (acari: eriophyidae): origin and invasion sources inferred from mitochondrial (16s) and nuclear (its) sequences. | over the past 30 years the coconut mite aceria guerreronis keifer has emerged as one of the most important pests of coconut and has recently spread to most coconut production areas worldwide. the mite has not been recorded in the indo-pacific region, the area of origin of coconut, suggesting that it has infested coconut only recently. to investigate the geographical origin, ancestral host associations, and colonization history of the mite, dna sequence data from two mitochondrial and one nuclear ... | 2005 | 16336700 |
| occurrence and seasonal prevalence of the coconut mite, aceria guerreronis (eriophyidae), and associated arthropods in oman. | the coconut palm is an important crop in the sub arid coastal plain of dhofar, oman, for the high demand for its nut water and its use as ornamental plant. damage of coconut fruits by the eriophyid mite aceria guerreronis keifer was first reported in that region in the late 1980s, but background information about the ecology of the pest in oman was missing. four surveys were conducted in different seasons from 2008 to 2009, to assess the distribution and prevalence of the coconut mite and its da ... | 2013 | 23435864 |
| estimated crop loss due to coconut mite and financial analysis of controlling the pest using the acaricide abamectin. | reducing the losses caused by aceria guerreronis keifer has been an arduous task for farmers. however, there are no detailed studies on losses that simultaneously analyse correlated parameters, and very few studies that address the economic viability of chemical control, the main strategy for managing this pest. in this study the objectives were (1) to estimate the crop loss due to coconut mite and (2) to perform a financial analysis of acaricide application to control the pest. for this, the fo ... | 2016 | 27059867 |
| females as intraguild predators of males in cross-pairing experiments with phytoseiid mites. | studies on intraguild interactions between phytoseiid species have shown that intraguild predation occurs and is most commonly manifested as adult females of one species feeding on juveniles of another. whether such intraguild interactions can also occur between adult females of one species and adult males of another, is not known. herein, we report on intraguild interactions between adults of the two sexes in cross-pairing experiments involving three related phytoseiid species (neoseiulus paspa ... | 2013 | 23673924 |
| survival and behavioural response to acaricides of the coconut mite predator neoseiulus baraki. | the coconut mite, aceria guerreronis keifer, is a major pest of coconut palm in the world. the control of this pest species is done through acaricide applications at short time intervals. however, the predators of this pest may also be affected by acaricides. among the predators of a. guerreronis, neoseiulus baraki (athias-henriot) has potential for biological control. the objective of this study was to assess the effect of acaricides on the survival and behavior of n. baraki. the survivorship o ... | 2013 | 23224672 |
| intraguild predation and cannibalism between the predatory mites neoseiulus neobaraki and n. paspalivorus, natural enemies of the coconut mite aceria guerreronis. | neoseiulus neobaraki and n. paspalivorus are amongst the most common phytoseiid predators of coconut mite, aceria guerreronis, found in the spatial niche beneath coconut fruit bracts. both predators may occur on the same coconut palms in benin and tanzania and are therefore likely to interact with each other. here, we assessed cannibalism and intraguild predation (igp) of the two predators in the absence and presence of their primary prey a. guerreronis. in the absence of the shared extraguild p ... | 2012 | 22669279 |
| life history of the predatory mites neoseiulus paspalivorus and proctolaelaps bickleyi, candidates for biological control of aceria guerreronis. | the eriophyoid mite aceria guerreronis keifer (eriophyidae), commonly called the coconut mite, is a key pest of coconut fruits. surveys conducted on coconut palms in brazil revealed the predatory mites neoseiulus paspalivorus deleon (phytoseiidae) and proctolaelaps bickleyi bram (ascidae) as the most commonly associated natural enemies of a. guerreronis on coconut fruits. however, virtually nothing is known about the life history of these two predators. we conducted laboratory experiments at 25 ... | 2007 | 17828440 |
| [biology of amblyseius largoensis (muma) (acari: phytoseiidae), a potential predator of aceria guerreronis keifer (acari: eriophyidae) on coconut trees]. | aceria guerreronis keifer is considered one of the main pests of coconuts around the world. amongst the phytoseiidae recorded on this crop, amblyseius largoensis (muma) has been reported in association with a. guerreronis. in order to verify whether a. largoensis feeds on a. guerreronis, the biology of this predator was evaluated on different food sources, including a. guerreronis. three types of diet were tested [tetranychus urticae koch + castor bean (ricinus communis l.) pollen + honey at 10% ... | 2007 | 17710331 |
| distribution patterns of coconut mite, aceria guerreronis, and its predator neoseiulus aff. paspalivorus in coconut palms. | distribution patterns and numerical variability of the coconut mite aceria guerreronis keifer (acari: eriophyidae) and its predator neoseiulus aff. paspalivorus deleon (phytoseiidae) on the nuts of 3- to 7-month-old bunches of coconut palms were studied at two sites in sri lanka. at the two sites, coconut mites were present on 88 and 75% of the nuts but no more than three-quarters of those nuts showed damage symptoms. n. aff. paspalivorus was found more on mature nuts than on immature nuts. spat ... | 2003 | 14756402 |
| status of aceria guerreronis keifer (acari: eriophyidae) as a pest of coconut in the state of sao paulo, southeastern brazil. | the coconut mite, aceria guerreronis keifer, is one of the main pests of coconut palms (cocos nucifera) in northeastern brazil. the objective of this study was to evaluate the levels of the coconut mite and other mites on coconut palms in the state of são paulo and to estimate the possible role of predatory mites in the control of this pest. the effect of cultivated genotypes and sampling dates on the mite populations was also estimated. we sampled attached fruits, leaflets, inflorescences, and ... | 2012 | 23950068 |
| the predatory mite neoseiulus paspalivorus (phytoseiidae) in brazil: taxonomic status, reproductive compatibility and morphological and molecular variability. | the predatory mite neoseiulus paspalivorus (de leon) is often found in association with the coconut mite, aceria guerreronis keifer. the identification of natural enemies is essential for the definition of biological control strategies. therefore, the present study aimed to confirm whether the mite populations from different northeastern brazilian states identified as n. paspalivorus belong to the same species. this determination was accomplished through the study of morphometric variability in ... | 2015 | 26459378 |
| residual bioassay to assess the toxicity of acaricides against aceria guerreronis (acari: eriophyidae) under laboratory conditions. | aceria guerreronis keifer (acari: eriophyidae) is considered a major pest of the coconut (cocos nucifera l.), and the use of pesticides is the current method to control it. however, no standard toxicological tests exist to select and assess the efficiency of molecules against the coconut mite. the aim of this study was to develop a methodology that allows for the evaluation of the relative toxicity of acaricides to a. guerreronis through rapid laboratory procedures. we confined a. guerreronis on ... | 2012 | 22928324 |
| the endosymbionts wolbachia and cardinium and their effects in three populations of the predatory mite neoseiulus paspalivorus. | whereas endosymbiont-induced incompatibility is known to occur in various arthropod taxa, such as spider mites, insects and isopods, it has been rarely reported in plant-inhabiting predatory mites (acari: phytoseiidae). recent cross-breeding studies with the phytoseiid mite neoseiulus paspalivorus de leon revealed a complete post-mating reproductive isolation between specimens collected from three geographic origins-northeast brazil (south america), benin and ghana (west africa)-even though they ... | 2014 | 24806619 |
| olfactory response of predatory mites to vegetative and reproductive parts of coconut palm infested by aceria guerreronis. | the phytophagous mite aceria guerreronis keifer is an important pest of coconut worldwide. a promising method of control for this pest is the use of predatory mites. neoseiulus baraki (athias-henriot) and proctolaelaps bickleyi bram are predatory mites found in association with a. guerreronis in the field. to understand how these predators respond to olfactory cues from a. guerreronis and its host plant, the foraging behavior of the predatory mites was investigated in a y-tube olfactometer and o ... | 2011 | 21499777 |
| evidence of amblyseius largoensis and euseius alatus as biological control agent of aceria guerreronis. | amblyseius largoensis (muma) (acari: phytoseiidae) and euseius alatus de leon (acari: phytoseiidae) are predatory mites that are mostly found on leaves and on the exposed fruit surface of coconut plants. their morphology hampers the access to the microhabitat occupied by aceria guerreronis keifer (acari: eriophyidae), the most important pest of coconut fruits throughout the world. however, it was suggested that they can prey on a. guerreronis under natural conditions when this pest leaves its re ... | 2015 | 26255279 |
| morphological, molecular and cross-breeding analysis of geographic populations of coconut-mite associated predatory mites identified as neoseiulus baraki: evidence for cryptic species? | surveys were conducted in brazil, benin and tanzania to collect predatory mites as candidates for control of the coconut mite aceria guerreronis keifer, a serious pest of coconut fruits. at all locations surveyed, one of the most dominant predators on infested coconut fruits was identified as neoseiulus baraki athias-henriot, based on morphological similarity with regard to taxonomically relevant characters. however, scrutiny of our own and published descriptions suggests that consistent morphol ... | 2012 | 22407586 |
| dispersal strategies of aceria guerreronis (acari: eriophyidae), a coconut pest. | the dispersal of plant-feeding mites can occur involuntarily, through transportation of infested plant parts, or voluntarily, by walking to new plant parts or to suitable spots where biotic (phoresis) or abiotic (wind, agricultural tools, etc.) factors carry them over long distances. elucidating the dispersal mechanisms of the coconut mite, aceria guerreronis keifer, is important for understanding the process of colonization of new fruits of a same or different plants, essential for the improvem ... | 2012 | 22349942 |
| population dynamics of aceria guerreronis (acari: eriophyidae) and its predatory mite, neoseiulus baraki (acari: phytoseiidae) in two coconut growing areas in sri lanka. | densities of coconut mite, aceria guerreronis keifer (acari: eriophyidae) and its predatory mite, neoseiulus baraki athias-henriot (acari: phytoseiidae) were monitored on coconut fruits in two coconut mite infested areas, kalpitiya and madurankuliya, in sri lanka, over a period of 3 years and were compared with local rainfall records. significant differences in a. guerreronis densities were observed among years and months of the year. rainfall (amount and frequency, i.e. the total number of days ... | 2012 | 22327463 |
| limitations of neoseiulus baraki and proctolaelaps bickleyi as control agents of aceria guerreronis. | several predatory mites have been found in association with the coconut mite, aceria guerreronis keifer, in northeast brazil. however, the latter still causes damage to coconut in that region. the objectives of this work were to compare the frequencies of occurrence of neoseiulus (phytoseiidae) and proctolaelaps (melicharidae) species on standing and aborted coconuts in coastal pernambuco state, northeast brazil and to analyze their possible limitations as control agents of the coconut mite, bas ... | 2012 | 22270113 |
| distribution of aceria guerreronis and neoseiulus baraki among and within coconut bunches in northeast brazil. | aceria guerreronis keifer (acari: eriophyidae) is considered a major pest of coconut in many countries in the americas, africa and parts of asia. neoseiulus baraki athias-henriot (acari: phytoseiidae) is one of the predatory mites most commonly found in association with a. guerreronis in parts of northeast brazil. the objective of this work was to study the distribution of a. guerreronis and n. baraki among and within coconut bunches. the hypothesis was tested that a. guerreronis and n. baraki a ... | 2011 | 21479809 |
| morphological variation and reproductive incompatibility of three coconut-mite-associated populations of predatory mites identified as neoseiulus paspalivorus (acari: phytoseiidae). | predatory mites identified as neoseiulus paspalivorus deleon (phytoseiidae) have been considered as agents for classical biological control of the coconut mite, aceria guerreronis keifer (eriophyidae), in africa and elsewhere. preliminary identification of geographically distinct populations as belonging to the same species (n. paspalivorus) was based on their morphological similarity. however, laboratory studies recently conducted have shown large differences in feeding behaviors and biological ... | 2011 | 21107996 |
| geographic pattern of morphological variation of the coconut mite, aceria guerreronis keifer (acari: eriophyidae), using multivariate morphometry. | the coconut mite, aceria guerreronis keifer, has become one of the most important pests of coconut in the americas and africa and recently in southeast asia. despite the great economic importance of this mite, there is a lack of information on its origin and invasion history that are important to guide the search of biological control agents as well as the adoption of quarantine procedures. this study evaluates morphometric variation among a. guerreronis populations throughout its occurrence are ... | 2009 | 19802436 |
| [diagrammatic scale of aceria guerreronis keifer (acari: eriophyidae) damage in coconut]. | aceria guerreronis keifer is an important pest of coconut worldwide. due to the lack of standardized methods to quantify damage of this eryophyid, a diagrammatic scale with indices of 1, 2, 4, 8, 16, 32, 48 and 70% of damage caused by a. guerreronis was elaborated and tested to accuracy, precision and reproduction of the estimations. to validate the scale, fruits with different levels of damage were previously measured with the program assess(r) and submitted to 10 inexperienced evaluators with ... | 2009 | 19169562 |
| compatibility of neoseiulus paspalivorus and proctolaelaps bickleyi, candidate biocontrol agents of the coconut mite aceria guerreronis: spatial niche use and intraguild predation. | the eriophyid mite aceria guerreronis occurs in most coconut growing regions of the world and causes enormous damage to coconut fruits. the concealed environment of the fruit perianth under which the mite resides renders its control extremely difficult. recent studies suggest that biological control could mitigate the problems caused by this pest. neoseiulus paspalivorus and proctolaelaps bickleyi are two of the most frequently found predatory mites associated with a. guerreronis on coconut frui ... | 2008 | 18483789 |
| plant structural changes due to herbivory: do changes in aceria-infested coconut fruits allow predatory mites to move under the perianth? | being minute in size, eriophyoid mites can reach places that are small enough to be inaccessible to their predators. the coconut mite, aceria guerreronis, is a typical example; it finds partial refuge under the perianth of the coconut fruit. however, some predators can move under the perianth of the coconut fruits and attack the coconut mite. in sri lanka, the phytoseiid mite neoseiulus baraki, is the most common predatory mite found in association with the coconut mite. the cross-diameter of th ... | 2007 | 17899401 |
| a new method to estimate the population size of coconut mite, aceria guerreronis, on a coconut. | studies of the coconut mite, aceria guerreronis, often require accurate assessment of the population density on individual infested coconuts. here an efficient and accurate method was developed to estimate its population density on an infested coconut. the coconut mites were removed by washing the bracts and surface of an infested coconut with 30 ml of a detergent solution. shaking the wash for 5 s allowed the mites to distribute uniformly. the number of mites in the first 1 ml of the first wash ... | 2005 | 16180078 |
| volatile metabolomic composition of vitex species: chemodiversity insights and acaricidal activity. | the vitex genus (lamiaceae) produces a plethora of metabolites that include ecdysteroids and terpenoids, some of which have demonstrated insect repellent properties. the volatile composition of several members of this genus has not been chemically defined, as many taxa are endemic to remote ecosystems. in this study, leaves were collected from the northeast of brazil from vitex capitata, v. megapotamica, v. gardneriana, and v. rufescens plants and examined for their chemical profile via gc-ms/fi ... | 2017 | 29184560 |
| influence of fruit age of the brazilian green dwarf coconut on the relationship between aceria guerreronis population density and percentage of fruit damage. | the coconut mite, aceria guerreronis keifer (acari: eriophyidae), is one of the main coconut pests in the american, african and parts of the asian continents, reaching densities of several thousand mites per fruit. diagrammatic scales have been developed to standardize the estimation of the population densities of a. guerreronis according to the estimated percentage of damage, but these have not taken into account the possible effect of fruit age, although previous studies have already reported ... | 2017 | 28831715 |
| acaricide-impaired functional predation response of the phytoseiid mite neoseiulus baraki to the coconut mite aceria guerreronis. | acaricides may interfere with a myriad of interactions among arthropods, particularly predator-prey interactions. the coconut mite, aceria guerreronis keifer (acari: eriophyidae), and its phytoseiid predator, neoseiulus baraki (athias-henriot) (acari: phytoseiidae), provide an opportunity to explore such interference because the former is a key coconut pest species that requires both predation and acaricide application for its management. the objective of the present study was to assess the effe ... | 2015 | 25847106 |
| bioinsecticide-predator interactions: azadirachtin behavioral and reproductive impairment of the coconut mite predator neoseiulus baraki. | synthetic pesticide use has been the dominant form of pest control since the 1940s. however, biopesticides are emerging as sustainable pest control alternatives, with prevailing use in organic agricultural production systems. foremost among botanical biopesticides is the limonoid azadirachtin, whose perceived environmental safety has come under debate and scrutiny in recent years. coconut production, particularly organic coconut production, is one of the agricultural systems in which azadirachti ... | 2015 | 25679393 |
| neoseiulus paspalivorus, a predator from coconut, as a candidate for controlling dry bulb mites infesting stored tulip bulbs. | the dry bulb mite, aceria tulipae, is the most important pest of stored tulip bulbs in the netherlands. this tiny, eriophyoid mite hides in the narrow space between scales in the interior of the bulb. to achieve biological control of this hidden pest, candidate predators small enough to move in between the bulb scales are required. earlier experiments have shown this potential for the phytoseiid mite, neoseiulus cucumeris, but only after the bulbs were exposed to ethylene, a plant hormone that c ... | 2014 | 24509788 |
| identification of molecular markers associated with mite resistance in coconut (cocos nucifera l.). | coconut mite (aceria guerreronis 'keifer') has become a major threat to indian coconut (coçcos nucifera l.) cultivators and the processing industry. chemical and biological control measures have proved to be costly, ineffective, and ecologically undesirable. planting mite-resistant coconut cultivars is the most effective method of preventing yield loss and should form a major component of any integrated pest management stratagem. coconut genotypes, and mite-resistant and -susceptible accessions ... | 2007 | 17546069 |
| behaviour of coconut mites preceding take-off to passive aerial dispersal. | for more than three decades the coconut mite aceria guerreronis keifer is one of the most important pests of coconut palms and has recently spread to many coconut production areas worldwide. colonization of coconut palms is thought to arise from mites dispersing aerially after take-off from other plants within the same plantation or other plantations. the underlying dispersal behaviour of the mite at take-off, in the airborne state and after landing is largely unknown and this is essential to un ... | 2014 | 25033769 |
| toxicity of vegetable oils to the coconut mite aceria guerreronis and selectivity against the predator neoseiulus baraki. | the coconut mite, aceria guerreronis (acari: eriophyidae), is a major tropical pest of coconut. here, we assessed the chemical profiles and the potential use of babassu, degummed soybean, and coconut oils to control a. guerreronis as well as their side-effects on the predatory mite neoseiulus baraki (acari: phytoseiidae), a key natural enemy of the coconut mite. babassu and coconut oils had similar fatty acids chemical profiles. all vegetable oils showed toxicity to a. guerreronis; degummed soyb ... | 0 | 28493037 |
| the coconut mite, aceria guerreronis, in benin and tanzania: occurrence, damage and associated acarine fauna. | the coconut mite aceria guerreronis (eriophyidae) is considered the most important pest of coconut fruits in africa; however, quantitative knowledge about its distribution and abundance is lacking. we conducted four diagnostic surveys-three in southern benin and one along the coast of tanzania-to determine the distribution of a. guerreronis and the severity of its damage to coconut fruits, as well as the diversity and abundance of other associated mites and potential natural enemies. aceria guer ... | 2011 | 21789564 |
| a review of the status of the coconut mite, aceria guerreronis (acari: eriophyidae), a major tropical mite pest. | the coconut mite (cm), aceria guerreronis keifer, has spread to most coconut production areas worldwide and it has been considered one of the most notorious and important pests of coconut fruits in many countries. although cm has been reported to damage coconuts for over 40 years in the americas and africa it continues to cause considerable losses in countries of these continents, and in the last 15 years it has also reached countries from southeast asia-india and sri lanka. several other countr ... | 2013 | 23192330 |
| population dynamics of aceria guerreronis (acari: eriophyidae) and other mites associated with coconut fruits in una, state of bahia, northeastern brazil. | aceria guerreronis keifer is a major coconut pest in the americas, africa and some asian countries, and occurs in high population levels in northeastern brazil. the determination of the climatic conditions that favorably affect its population growth and the prevalence and abundance of predatory mites can promote more efficient control practices. our objective was to evaluate the pattern of occurrence and population dynamics of a. guerreronis, their associated predators and other mites during a 2 ... | 2012 | 22669276 |
| predator performance is impaired by the presence of a second prey species. | the simultaneous infestation of a plant by several species of herbivores may affect the attractiveness of plants to the natural enemies of one of the herbivores. we studied the effect of coconut fruits infested by the pests aceria guerreronis and steneotarsonemus concavuscutum, which are generally found together under the coconut perianth. the predatory mite neoseiulus baraki produced lower numbers of offspring on fruits infested with s. concavuscutum and on fruits infested with both prey than o ... | 0 | 27819202 |