| toxicity of chemicals commonly used in indonesian vegetable crops to liriomyza huidobrensis populations and the indonesian parasitoids hemiptarsenus varicornis, opius sp., and gronotoma micromorpha, as well as the australian parasitoids hemiptarsenus varicornis and diglyphus isaea. | liriomyza huidobrensis (blanchard) and liriomyza sativae (blanchard) are important pests of vegetable crops in indonesia and are likely to spread to neighboring countries. three pesticides (dimehypo, abamectin, and cyromazine) are currently used to control these pests, but there is little information on their effectiveness against field populations and on their impact on parasitoids controlling liriomyza species. the toxicity of these chemicals to l. huidobrensis and three common parasitoids (he ... | 2004 | 15384326 |
| juvenile and sublethal effects of selected pesticides on the leafminer parasitoids hemiptarsenus varicornis and diglyphus isaea (hymenoptera: eulophidae) from australia. | the pest leafminers liriomyza huidobrensis (blanchard), liriomyza sativae (blanchard), and liriomyza trifolii (burgess) (diptera: agromyzidae) have spread into south east asia and oceania, and they are likely to reach australia in the near future. two translaminar pesticides, cyromazine and abamectin, currently provide effective chemical control of these pests, but because parasitoids can play an important role in controlling and preventing leafminer outbreaks, understanding the impact of pestic ... | 2005 | 16539101 |
| prey species preference of the predator serangium parcesetosum sicard (col., coccinellidae) and its interaction with another natural enemy. | this study aimed to determine serangium parcesetosum preference for different prey species and parasitized bemisia tabaci (genn.) (hom., aleyrodidae) by the parasitoid, eretmocerus mundus mercet (hym., aphelinidae). the results on s. parcesetosum preference by feeding on different prey species offered separately and together indicated that the predatory larvae and adults preferred significantly the cotton whitefly, b. tabaci and the castor bean whitefly, trialeurodes ricini (misra) (hom., aleyro ... | 2007 | 19070175 |
| pathogenicity of entomopathogenic fungi metarhizium anisopliae and beauveria bassiana (hypocreales: clavicipitaceae) isolates to the adult pea leafminer (diptera: agromyzidae) and prospects of an autoinoculation device for infection in the field. | seventeen isolates of metarhizium anisopliae (metschnikoff) sorokin and three isolates of beauveria bassiana (balsamo) vuillemin (hypocreales: clavicipitaceae) were evaluated for their pathogenicity to the adult pea leafminer, liriomyza huidobrensis (blanchard) (diptera: agromyzidae), in the laboratory. flies were contaminated with dry conidia through a velvet material wrapped around the inner side of a cylindrical plastic tube. all the isolates were pathogenic to the pea leafminer, causing mort ... | 2010 | 20388276 |
| transcriptome response analysis of arabidopsis thaliana to leafminer (liriomyza huidobrensis). | plants have evolved a complicated resistance system and exhibit a variety of defense patterns in response to different attackers. previous studies have shown that responses of plants to chewing insects and phloem-feeding insects are significantly different. less is known, however, regarding molecular responses to leafminer insects. to investigate plant transcriptome response to leafminers, we selected the leafminer liriomyza huidobrensis, which has a special feeding pattern more similar to patho ... | 2012 | 23231622 |
| effects of endophyte colonization of vicia faba (fabaceae) plants on the life-history of leafminer parasitoids phaedrotoma scabriventris (hymenoptera: braconidae) and diglyphus isaea (hymenoptera: eulophidae). | effects of the fungal endophytes beauveria bassiana (isolates icipe 279, g1lu3, s4su1) and hypocrea lixii (isolate f3st1) on the life-history of phaedrotoma scabriventris and diglyphus isaea, parasitoids of the pea leafminer liriomyza huidobrensis, were studied in the laboratory. parasitoids were allowed to parasitize 2(nd) and 3(rd) instar l. huidobrensis larvae reared on endophytically-inoculated faba bean, vicia faba. in the control, parasitoids were reared on non-inoculated host plants. para ... | 2014 | 25338084 |
| permanent genetic resources added to molecular ecology resources database 1 february 2013-31 march 2013. | this article documents the addition of 142 microsatellite marker loci to the molecular ecology resources database. loci were developed for the following species: agriophyllum squarrosum, amazilia cyanocephala, batillaria attramentaria, fungal strain ctey1 (ascomycota), gadopsis marmoratus, juniperus phoenicea subsp. turbinata, liriomyza sativae, lupinus polyphyllus, metschnikowia reukaufii, puccinia striiformis and xylocopa grisescens. these loci were cross-tested on the following species: amazi ... | 2013 | 23693143 |
| emamectin, a novel insecticide for controlling field crop pests. | emamectin is a macrocyclic lactone insecticide with low toxicity to non-target organisms and the environment, and is considered an important component in pest-management programmes for controlling field crop pests. it is a powerful compound for controlling the cotton bollworm helicoverpa armigera (hübner). a spray concentration of 25 mg ai litre-1 in a cotton field resulted in over 90% suppression of h armigera larvae up to day 28 after treatment, while similar mortality of the egyptian cotton l ... | 2002 | 12449526 |
| effects of foliar surfactants on host plant selection behavior of liriomyza huidobrensis (diptera: agromyzidae). | the pea leafminer, liriomyza huidobrensis (diptera: agromyzidae), is a highly polyphagous insect pest of global distribution. l. huidobrensis feeds and lays its eggs on leaf tissue and reduces crop marketability because of stippling and mining damage. in field insecticide trials, it was observed that stippling was reduced on plants treated with surfactant alone. the objectives of this study were to determine the effect of surfactants on host selection behaviors of female l. huidobrensis and to a ... | 2009 | 19825293 |
| novaluron (rimon), a novel igr--mechanism, selectivity and importance in ipm programs. | novaluron (rimon), a new igr, acts by both ingestion and contact. it is a powerful toxicant for controlling lepidopteran larvae resulting in lc-90 values of 0.42 and 0.30 mg a.i./liter for spodoptera littoralis and s. exigua, respectively. its residual activity under field conditions ranges between 10 and 30 days depending on environmental conditions. the compound is a powerful toxicant against developing stages of whiteflies, resulting in lc-90 values of 0.68 and 8.56 mg a.i./liter for bemisia ... | 2002 | 12696429 |
| choosing between good and better: optimal oviposition drives host plant selection when parents and offspring agree on best resources. | insect preferences for particular plant species might be subjected to trade-offs among several selective forces. here, we evaluated, through laboratory and field experiments, the feeding and ovipositing preferences of the polyphagous leafminer liriomyza huidobrensis (diptera: agromyzidae) in relation to adult and offspring performance and enemy-free space. female leafminers preferred laying their eggs on vicia faba (fabaceae) over beta vulgaris var. cicla (chenopodiaceae), in both laboratory and ... | 2012 | 22246471 |
| [relationships between host preference of liriomyza huidobrensis (blanchard) and nutrient and chlorophyll contents in host foliage]. | the laboratory study with no free choice means showed that the host preference of liriomyza huidobrensis (blanchard) adult differed significantly with test plants. phaseolus vulgaris, chrysanthemum coronarium and cucurbita pepo were the most preferred, while lycopersicum esculenturn and brassica oleracea were the least. correlative analysis indicated that the host preference of l. huidobrensis adult had a significant positive correlation with the content of soluble sugar, but less correlation wi ... | 2007 | 17552217 |
| the mitochondrial genome of the garden pea leafminer chromatomyia horticola (goureau, 1851) (diptera: agromyzidae). | here we report the mitochondrial genome sequence of the garden pea leafminer chromatomyia horticola (goureau, 1851) (diptera: agromyzidae) (genbank accession no. kr047789). this is the first species with sequenced mitochondrial genome from the genus chromatomyia. the current length with partial a + t-rich region of this mitochondrial genome is 15,320 bp with an a + t content of 77.54%. all the 13 protein-coding, two rrna, and 22 trna genes were sequenced, except for the a + t-rich region. ... | 2016 | 26066024 |
| primer design for identifying economically important liriomyza species (diptera: agromyzidae) by multiplex pcr. | leafminer flies, especially, liriomyza huidobrensis, liriomyza sativae and liriomyza trifolii, are quarantine species in many countries. their morphological similarity makes identification difficult. to develop a rapid, reliable, sensitive and simple molecular identification method using multiplex pcr, we newly sequenced the mitochondrial cytochrome oxidase i (coi) genes of liriomyza bryoniae, liriomyza chinensis, l. huidobrensis, l. sativae, l. trifolii, chromatomyia horticola and four parasito ... | 2013 | 23039969 |
| polymerase chain reaction-restriction fragment length polymorphism assays to distinguish liriomyza huidobrensis (diptera: agromyzidae) from associated species on lettuce cropping systems in italy. | the pea leafminer, liriomyza huidobrensis (blanchard) (diptera: agromyzidae), is a serious insect pest infesting open field lettuce plantings in northern italy. in these cropping systems, it coexists with several other agromyzid species that have negligible economic importance on open field vegetables. the rapid detection of l. huidobrensis is crucial for effective management strategies, but the identification of agromyzids to species can be very difficult at adult as well at immature stages. in ... | 2006 | 16937681 |
| species composition, distribution, and seasonal abundance of liriomyza leafminers (diptera: agromyzidae) under different vegetable production systems and agroecological zones in kenya. | a longitudinal study to identify the species of liriomyza leafminer, their distribution, relative abundance, and seasonal variation, including their host range, was conducted in vegetable fields at three altitudes in kenya from november 2011 to november 2012. three main species were identified: liriomyza huidobrensis (blanchard), liriomyza sativae blanchard, and liriomyza trifolii (burgess), of which l. huidobrensis was the most abundant across all altitudes irrespective of the cropping season a ... | 2015 | 26313175 |
| rhythms of volatiles release from healthy and insect-damaged phaseolus vulgaris. | the release rhythm of volatiles is an important physiological characteristic of plants, because the timing of release can affect the function of each particular volatile compound. however, most studies on volatiles release rhythms have been conducted using model plants, rather than crop plants. here, we analyzed the variations in volatile compounds released from healthy and leafminer (liriomyza huidobrensis)-infested kidney bean (phaseolus vulgaris), an important legume crop plant, over a 24 h p ... | 2013 | 23887493 |
| host plant-related parasitism and host feeding activities of diglyphus isaea (hymenoptera: eulophidae) on liriomyza huidobrensis, liriomyza sativae, and liriomyza trifolii (diptera: agromyzidae). | host plant species can affect the behavior and attributes of parasitoids, such as host searching, oviposition, and offspring fitness. in this study, parasitism, host feeding, and sex ratios of diglyphus isaea (walker) (hymenoptera: eulophidae) on liriomyza huidobrensis (blanchard), liriomyza sativae blanchard, and liriomyza trifolii (burgess) (diptera: agromyzidae) larvae reared on phaseolus vulgaris l., pisum sativum l., solanum lycopersicum l., and vicia faba l. were determined. in no-choice t ... | 2012 | 22420268 |
| volatiles released from bean plants in response to agromyzid flies. | liriomyza sativae blanchard and liriomyza huidobrensis (blanchard) (diptera: agromyzidae) are two invasive flies in china that have caused economical damage on vegetables and ornamental plants. in this article, we report the profiles of emitted volatiles from healthy, mechanically damaged, and leafminer-damaged bean, phaseolus vulgaris l., plants. among 25 emitted volatiles identified, (e)-2-hexen-1-al, (3e)-4,8-dimethyl-1,3,7-nonatriene (dmnt), (z)-3-hexenyl acetate, (z)-3-hexen-1-ol, (syn)- an ... | 2006 | 16404576 |
| a temperature-dependent phenology model for liriomyza huidobrensis (diptera: agromyzidae). | liriomyza huidobrensis (blanchard) is an economically important and highly polyphagous worldwide pest. to establish a temperature-dependent phenology model, essential for understanding the development and growth of the pest population under a variety of climates and as part of a pest risk analysis, l. huidobrensis life-table data were collected under laboratory conditions at seven constant temperatures on its host faba bean (vicia faba l.). several nonlinear equations were fitted to each life st ... | 2017 | 28334271 |
| analysis of three leafminers' complete mitochondrial genomes. | liriomyza trifolii (burgess), liriomyza huidobrensis (blanchard), and liriomyza bryoniae (kaltenbach), are three closely related and economically important leafminer pests in the world. this study examined the complete mitochondrial genomes of l. trifolii, l. huidobrensis and l. bryoniae, which were 16,141 bp, 16,236 bp and 16,183 bp in length, respectively. all of them displayed 37 typical animal mitochondrial genes and an a+t-rich region. the genomes were highly compact with only 60-68 bp of n ... | 2013 | 23954222 |
| what limits the distribution of liriomyza huidobrensis and its congener liriomyza sativae in their native niche: when temperature and competition affect species' distribution range in guatemala. | factors limiting distribution range for most species are generally unknown regardless of whether they are native or invasive. we studied factors that could enable or restrict the distribution of two cosmopolitan invasive leafminer fly species, liriomyza huidobrensis (blanchard) and liriomyza sativae (blanchard) in their native niche. in order to test which ecological and environmental factors affect leafminer distribution we conducted thermal tolerance assays, sampled along elevation gradients a ... | 2017 | 28973492 |
| the invasive liriomyza huidobrensis (diptera: agromyzidae): understanding its pest status and management globally. | liriomyza huidobrensis (blanchard) is native to south america but has expanded its range and invaded many regions of the world, primarily on flowers and to a lesser extent on horticultural product shipments. as a result of initial invasion into an area, damage caused is usually significant but not necessarily sustained. currently, it is an economic pest in selected native and invaded regions of the world. adults cause damage by puncturing abaxial and adaxial leaf surfaces for feeding and egg lay ... | 2017 | 28423426 |
| olfactory response and feeding preference of liriomyza huidobrensis (diptera: agromyzidae) to potato cultivars. | liriomyza huidobrensis (blanchard) is a serious invasive pest of potato in korea. in sessile insect herbivores like leafminer flies, host plant choice is a critical decision made by adults for offspring survival, and one that is often influenced by host plant quality. in annual host plants like potato, leafminer choice is sometimes influenced by cultivar characteristics. to determine the basis of host selection, the odor and feeding preferences of adult l. huidobrensis were examined using a five ... | 2016 | 27452764 |
| differential effects of pesticide applications on liriomyza huidobrensis (diptera: agromyzidae) and its parasitoids on pea in central kenya. | three liriomyza species [liriomyza huidobrensis (blanchard), liriomyza trifolii (burgess), and liriomyza sativae blanchard] have been reported as the most important leafminer pests in vegetable production systems in africa. in kenya, farmers rely on indiscriminate synthetic insecticides use. on-farm field investigations were set up at three different locations (sagana, kabaru, and naromoru) in central kenya to determine the effect of pesticide application on the abundance of leafminers and their ... | 2015 | 26470177 |
| molecular survey for the invasive leafminer pest liriomyza huidobrensis (diptera: agromyzidae) in california uncovers only the native pest liriomyza langei. | liriomyza huidobrensis (blanchard) is a highly destructive invasive leafminer pest currently causing extensive damage to vegetable and horticultural crops around the world. liriomyza langei frick is a leafminer pest native to california that cannot currently be morphologically distinguished from l. huidobrensis. we used a dna-barcoding approach, a published pcr-rflp method, and a new multiplex pcr method to analyze 664 flies matching the morphological description of huidobrensis-langei. we found ... | 2014 | 26309286 |
| the complete mitochondrial genome of liriomyza huidobrensis and comparison with l. trifolii and l. sativae (diptera: agromyzidae). | liriomyza huidobrensis, l. trifolii and l. sativae (diptera: agromyzidae) are serious horticultural pests. the three species are very similar and difficult to discriminate from each other. in this study, we report the mitochondrial genome of l. huidobrensis and compare with l. trifolii and l. sativae. the mitochondrial genome of l. huidobrensis is 16,239 bp long, and it contains 37 genes and one a + t-rich region as do the sequenced liriomyza species. the sequence and structure of h51-h100 regio ... | 2014 | 23617371 |
| variation in morphological characters of two invasive leafminers, liriomyza huidobrensis and l. sativae, across a tropical elevation gradient. | changes in morphological traits along elevation and latitudinal gradients in ectotherms are often interpreted in terms of the temperature-size rule, which states that the body size of organisms increases under low temperatures, and is therefore expected to increase with elevation and latitude. however other factors like host plant might contribute to spatial patterns in size as well, particularly for polyphagous insects. here elevation patterns for trait size and shape in two leafminer species a ... | 2011 | 21867436 |
| evolution of hsp70 gene expression: a role for changes in at-richness within promoters. | in disparate organisms adaptation to thermal stress has been linked to changes in the expression of genes encoding heat-shock proteins (hsp). the underlying genetics, however, remain elusive. we show here that two at-rich sequence elements in the promoter region of the hsp70 gene of the fly liriomyza sativae that are absent in the congeneric species, liriomyza huidobrensis, have marked cis-regulatory consequences. we studied the cis-regulatory consequences of these elements (called atrs1 and atr ... | 2011 | 21655251 |
| ecological trade-offs between jasmonic acid-dependent direct and indirect plant defences in tritrophic interactions. | recent studies on plants genetically modified in jasmonic acid (ja) signalling support the hypothesis that the jasmonate family of oxylipins plays an important role in mediating direct and indirect plant defences. however, the interaction of two modes of defence in tritrophic systems is largely unknown. in this study, we examined the preference and performance of a herbivorous leafminer (liriomyza huidobrensis) and its parasitic wasp (opius dissitus) on three tomato genotypes: a wild-type (wt) p ... | 2011 | 21039561 |
| functional synchronization of biological rhythms in a tritrophic system. | in a tritrophic system formed by a plant, an herbivore and a natural enemy, each component has its own biological rhythm. however, the rhythm correlations among the three levels and the underlying mechanisms in any tritrophic system are largely unknown. here, we report that the rhythms exhibited bidirectional correlations in a model tritrophic system involving a lima bean, a pea leafminer and a parasitoid. from the bottom-up perspective, the rhythm was initiated from herbivore feeding, which tri ... | 2010 | 20552008 |
| population dynamics and damage caused by the leafminer liriomyza huidobrensis blanchard (diptera: agromyzidae), on seven potato processing varieties grown in temperate environment. | the leafminer liriomyza huidobrensis blanchard is considered a key pest for potatoes in argentina. population dynamics and leaf damage caused by the leafminer on seven selected potato processing varieties were assessed at balcarce during the 2002 and 2003 growing seasons. adult population dynamic was monitored using yellow sticky traps, while leaf damage (punctures and mines) was assessed using a damage index scale from low to severe. liriomyza huidobrensis adults were present throughout the gro ... | 2010 | 20305906 |
| plants attract parasitic wasps to defend themselves against insect pests by releasing hexenol. | plant volatiles play an important role in defending plants against insect attacks by attracting their natural enemies. for example, green leaf volatiles (glvs) and terpenoids emitted from herbivore-damaged plants were found to be important in the host location of parasitic wasps. however, evidence of the functional roles and mechanisms of these semio-chemicals from a system of multiple plants in prey location by the parasitoid is limited. little is known about the potential evolutionary trends b ... | 2007 | 17786223 |
| impact of mild temperature hardening on thermotolerance, fecundity, and hsp gene expression in liriomyza huidobrensis. | the pea leafminer, liriomyza huidobrensis, is one of the most important economic insect pests around the world. its population fluctuates greatly with seasonal change in china, and temperature was thought to be one of the important reasons. in attempt to further explore the impact of disadvantageous temperature on l. huidobrensis, 1-day-old adults were shocked at various temperatures (10, 25, 32, and 35 degrees c, respectively) for 4h, and the effects on thermotolerance, feeding, and fecundity w ... | 2007 | 17651748 |
| electrophysiological and behavioral responses of a parasitic wasp to plant volatiles induced by two leaf miner species. | in the present study, y-tube olfactometric assays demonstrated that headspace volatile extracts collected from leaf miner-damaged, or artificially damaged, bean plants were more attractive to naive females of the parasitoid insect opius dissitus than those collected from healthy plants. headspace extracts from both liriomyza huidobrensis and liriomyza sativae second-instar larvae-damaged beans were analyzed by coupled gas chromatography-electroantennographic detection (gc-ead). of nine ead-activ ... | 2006 | 16621971 |
| cold hardiness and supercooling capacity in the pea leafminer liriomyza huidobrensis. | pupal scp (supercooling point) of liriomyza huidobrensis showed no variation with age, with an average of -20.9 degree c. low temperature survival of different ages of pupae showed no correlation with their scp. nonlinear regression analysis found that the response of l. huidobrensis pupae to exposure time under different low temperature regimes above -5 degree c was best fitted by a logistic equation. both low temperature and exposure time had significant effects on pupal mortality. temperature ... | 2008 | 12148020 |
| polymerase chain reaction-restriction fragment-length polymorphism method to distinguish liriomyza huidobrensis from l. langei (diptera: agromyzidae) applied to three recent leafminer invasions. | a molecular method is presented for differentiating the morphologically cryptic leafminers liriomyza langei frick and l. huidobrensis (blanchard). this method requires polymerase chain reaction (pcr) amplification of a 1031-bp region of mitochondrial cytochrome oxidase dna followed by restriction fragment analysis using the restriction enzymes spei and ecorv. spel cuts the mitochondrial fragment of l. langei into two fragments, but does not cut the l. huidobrensis fragment. ecorv cuts the l. hui ... | 2001 | 11681681 |
| molecular evidence of cryptic species within the liriomyza huidobrensis (diptera: agromyzidae). | phylogenetic relationships among populations of the polyphagous pea leafminer, liriomyza huidobrensis (blanchard), were investigated using dna sequence data. maximum parsimony analysis of 941 bp of mitochondrial cytochrome oxidase i and ii genes showed that l. huidobrensis contains two well-defined monophyletic groups, one composed of specimens from california and hawaii and one composed of specimens from south and central america together with populations that have been recently introduced into ... | 2000 | 10985024 |
| the resolution of californian populations of liriomyza huidobrensis and liriomyza trifolii (diptera: agromyzidae) using pcr. | liriomyza trifolii (burgess) and liriomyza huidobrensis (blanchard) are important vegetable pests in california. populations of each species differ in their impact in central and southern regions. this difference may be explained by geographical or host plant differences in each of the regions. we used random amplified polymorphic dna polymerase chain reactions to assess genetic differences between two laboratory populations of each species collected from central and southern california. individ ... | 2000 | 10971691 |