| citrus leafminer (lepidoptera: gracillariidae) density: effect on yield of 'tahiti' lime. | the relationship between damage by citrus leafminer, phyllocnistis citrella stainton, and 'tahiti' lime yield were investigated in a 15-yr-old and a 5-yr-old lime orchard. citrus leafminer population densities were controlled by insecticide applications of abamectin plus fc 435 oil, abamectin plus fc435 oil plus imidacloprid, and methomyl. the control was not treated. to ensure adequate citrus leafminer densities, adult citrus leafminer were periodically released in the experimental plots during ... | 2000 | 10826188 |
| effect of temperature on life history of cirrospilus vittatus (hymenoptera: eulophidae), an ectoparasitoid of phyllocnistis citrella (lepidoptera: gracillariidae). | cirrospilus vittatus is a generalist parasitoid detected on the invading phyllocnistis citrella 1 yr after the introduction of this pest into spain in 1993. in this study, the influence of temperature on parasitoid development, survival, and some selected life history parameters was determined. development times shortened as the temperature increased from 15 to 30 degrees c, but increased between 30 and 35 degrees c. larval development times varied the greatest over the range of temperatures, wh ... | 2002 | 12019997 |
| effect of sucrose octanoate on survival of nymphal and adult diaphorina citri (homoptera: psyllidae). | asian citrus psylla, diaphorina citri kuwayama (homoptera: psyllidae) was detected for the first time in the united states near delray beach, fl, on 2 june 1998 and is continuing to spread and multiply throughout southern florida. this psyllid is the vector of liberobacter asiaticum, a phloem-limited bacterium that causes citrus greening disease. this pathogen has not been found in the western hemisphere to date. furthermore, high infestation levels of d. citri can impact citrus plant health, fr ... | 2004 | 15279280 |
| genetic analysis of citrus leafminer susceptibility. | damage caused by the citrus leafminer (clm), phyllocnistis citrella, is highly dependent on the citrus flushing pattern. chemical control is only required in young trees, both in nurseries and in newly established orchards. however, this situation is completely different in countries where the causal agent of citrus canker, the bacterium xanthomonas axonopodis pv. citri exists. clm infestation results in a higher incidence of citrus canker infection. among preventive control strategies that prov ... | 2005 | 15834698 |
| efficacy of bacillus thuringiensis against phyllocnistis citrella (lepidoptera: phyllocnistidae). | the purpose of this work was to analyze the efficacy of bacillus thuringiensis berliner on the control of phyllocnistis citrella stainton (lepidoptera: phyllocnistidae) in laboratory and field trials. in the laboratory, four b. thuringiensis were used: dipel (commercial formulation) tested at the concentrations of 25 x 10(6) and 25 x 10(8) spores/ml and the isolates k, 6, and 15 (collections of the university of azores) at the concentration of 25 x 10(6) spores/ ml. a surfactant solution of nono ... | 2005 | 16539108 |
| entomopathogenicity of native bacteria from anastrepha fraterculus and ceratitis capitata against the pest phyllocnistis citrella. | in piura (peru), the pest phyllocnistis citrella stainton damages the photosynthetic rate and new bud production of citrus aurantiifolia swingle (sweet lemon), decreasing the yield, productivity and commercial price of its fruit. biological control was evaluated through the crossed effect of bacteria obtained from pests (anastrepha fraterculus wied., ceratitis capitata wied. and rhynchophorus palmarum l.) that are pathogenic against their original host species. enterobacter cloacae (jordan) horm ... | 2007 | 17348070 |
| effect of temperature on development and survival of the parasitoid pnigalio pectinicornis (hymenoptera: eulophidae) reared on phyllocnistis citrella (lepidoptera: gracillariidae). | laboratory studies were conducted to assess the effect of temperature on the development and survival of the indigenous parasitoid pnigalio pectinicornis l. on the citrus leaf miner phyllocnistis citrella stainton as host, fed on leaves of citrus sinensis l. osbck cultivar washington navel and citrus reticulata blanco cultivar clementine. experiments were conducted at five constant temperatures ranging from 15 to 32.5 degrees c, with 60 +/- 10% rh and a photoperiod of 14:10 (l:d) h. the relation ... | 2007 | 17540056 |
| structure and composition of the assemblage of parasitoids associated to phyllocnistis citrella pupae stainton (lepidoptera: gracillariidae) in citrus orchards in southern brazil. | the structure and composition of the assemblage of pupal parasitoids of phyllocnistis citrella stainton, the citrus leafminer, were studied in two citrus orchards (citrus deliciosa tenore cv. montenegrina and citrus sinensis (l.) osbeck x citrus reticulata blanco hybrid murcott), in montenegro county (29 degrees 68's and 51 degrees 46'w), southern brazil. at fortnightly samplings, from july 2001 to june 2003, all the new shoots from 24 randomly selected trees were inspected. the species richness ... | 2007 | 18060301 |
| spatial distribution of phyllocnistis citrella stainton (lepidoptera: gracillariidae) larvae in three scales. | the spatial distribution of larvae of phyllocnistis citrella stainton (lepidoptera: gracillariidae), the citrus leaf miner, in leaves, shoots, and tree crowns of montenegrina tangerine (citrus deliciosa tenore) and murcott tangor (citrus sinensis l. osbeck x citrus reticulata blanco) was determined. fortnightly samplings from july/2001 to june/2003, in orchards located in montenegro (29 degrees 68' s and 51 degrees 46' w), rs, brazil, were carried out. at each sampling occasion eighth shoots ran ... | 2008 | 18470399 |
| [parasitism in phyllocnistis citrella stainton (lepidoptera: gracillariidae) in citrus orchards in montenegro, rs, brazil]. | phyllocnistis citrella stainton, the citrus-leafminer, is an important pest of citrus worldwide. knowledge of natural parasitism levels is fundamental to the establishment of tactics of management and control of this species. this work aimed to evaluate the parasitism in two citrus orchards, one of 'montenegrina' (citrus deliciosa ten.) and the other of 'murcott' (c. sinensis (l.) osbeck x c. reticulata blanco), located in montenegro, rs. in fortnightly samplings, from july/2001 to june/2003, al ... | 2006 | 18575696 |
| effects of rootstock and flushing on the incidence of three insects on 'clementine de nules' citrus trees. | we evaluated the influence of six different citrus rootstocks on the incidence of the citrus leafminer, phyllocnistis citrella stainton (lepidoptera: gracillariidae), and the aphid species, aphis gossypii glover and a. spiraecola patch (hemiptera: aphididae), on 'clementine de nules' trees (citrus clementina hort. ex tan.). sampling was conducted during 2005 and 2006 in a grove of 3-yr-old trees in southern spain with six rootstocks arranged in a completely randomized block design. incidence (i. ... | 2008 | 19161697 |
| efficacy and uptake of soil-applied imidacloprid in the control of asian citrus psyllid and a citrus leafminer, two foliar-feeding citrus pests. | the systemic neonicotinoid insecticide imidacloprid, admire pro, was applied to 3- and 4-yr-old nonbearing 'rio red' grapefruit, citrus x paradisi macfad., trees in 2006 and 2007, respectively, to determine its effects in the control of two major citrus pests, the asian citrus psyllid, diaphorina citri kuwayama (hemiptera: psyllidae), and a citrus leafminer phyllocnistis citrella stainton (lepidoptera: gracillariidae). young flush shoots were randomly collected weekly for 13 and 11 wk in 2006 an ... | 2010 | 21061971 |
| leaf miner-induced morphological, physiological and molecular changes in mangrove plant avicennia marina (forsk.) vierh. | avicennia marina (forsk.) vierh is a widespread mangrove species along the southeast coasts of china. recently, the outbreak of herbivorous insect, phyllocnistis citrella stainton, a leaf miner, have impacted on the growth of a. marina little is reported about the responses of a. marina to leaf miner infection at the biochemical, physiological and molecular levels. here, we reported the responses of a. marina to leaf miner infection from the aspects of leaf structure, photosynthesis, and antioxi ... | 2016 | 27738267 |
| effect of melia azedarach (sapindales: meliaceae) fruit extracts on citrus leafminer phyllocnistis citrella (lepidoptera: gracillariidae). | melia azedarach l. extracts were studied in comparison with selected biorational insecticides against the citrus leafminer phyllocnistis citrella stainton under field conditions. citrus limon (l.) burm. f. trees were exposed to: melia extracts of green and mature fruits, neem oil (30% a.i.), abamectin (1.8% a.i.) and control. two sprays of each treatment (except for melia mature fruit extract) were executed at 10-d intervals. the live number of the 1(st) and later (2(nd) & 3(rd)) larval instars ... | 2013 | 23667805 |
| does citrus leaf miner impair hydraulics and fitness of citrus host plants? | gas exchange and hydraulic features were measured in leaves of three different citrus species (citrus aurantium l., citrus limon l., citrus × paradisii macfad) infested by phyllocnistis citrella staiton, with the aim to quantify the impact of this pest on leaf hydraulics and, ultimately, on plant fitness. infested leaves were characterized by the presence on the leaf blade of typical snake-shaped mines and, in some cases, of a crumpled leaf blade. light microscopy showed that leaf crumpling wa ... | 2013 | 24319027 |
| preference and performance of phyllocnistis citrella stainton (lepidoptera: gracillariidae) on three citrus hosts: laboratory and field assessment. | the relationship between preference and performance is crucial to the ecology and evolution of plant-insect interactions. oviposition preference and offspring performance were evaluated for a citrus pest, the leafminer phyllocnistis citrella (lepidoptera: gracillariidae), on three of its host plants: lemon (citrus limon l. burm.), orange (citrus sinensis l. osbeck), and grapefruit (citrus paradisi macfadyen) in tucumán province (northwest argentina). choice and no-choice tests were performed in ... | 2008 | 18801269 |
| resistance of citrus genotypes to phyllocnitis citrella stainton (lepidoptera: gracillariidae). | the development and reproduction of the citrus leafminer (clm), phyllocnistis citrella stainton, were evaluated in six citrus genotypes in order to identify genotypes with resistance traits that could be applied in a program for the development of citrus varieties resistant to the citrus leafminer. tests were conducted under controlled laboratory conditions (25 ± 1ºc, 70 ± 10% rh, and 14h photophase). seedlings of each genotype tested were infested with eggs obtained from a stock colony of clm m ... | 2011 | 21952967 |
| [biological aspects of cirrospilus neotropicus diez & fidalgo (hymenoptera: eulophidae), parasitoid of phyllocnistis citrella stainton (lepidoptera: gracillariidae)]. | the biology of cirrospilus neotropicus diez & fidalgo reared on third instar phyllocnistis citrella stainton larvae having citrus limonia osbeck as host plant, was evaluated under controlled conditions (25 +/- 1 masculinec; 12h photophase). the survival, immatures development, longevity, sex ratio, host feeding and oviposition ratio of c. neotropicus, were registered. two groups of parasitoid females were evaluated: one, with parasitoids obtained from p. citrella pupae collected in citrus orchar ... | 2008 | 18641898 |
| [seasonal variation of immature stages of phyllocnistis citrella stainton (lepidoptera: gracillariidae) in citrus sinensis orchards under two management systems]. | phyllocnistis citrella stainton is considered an important pest of citrus, causing both direct (reduction on the photosynthetic area) and indirect damage (facilitation of invasion by bacteria that cause citrus canker). the lack of information about the population dynamics of p. citrella, considering the cultivation systems and varieties grown in citrus orchards in rio grande do sul, brazil, motivated this study. it aimed to evaluate the seasonal variation of immature stages of p. citrella, from ... | 2007 | 17273716 |
| effects of cyantraniliprole, a novel anthranilic diamide insecticide, against asian citrus psyllid under laboratory and field conditions. | the asian citrus psyllid, diaphorina citri (hemiptera: psyllidae), is the most destructive pest of citrus in florida. the development of insecticide resistance in several populations of d. citri has been documented. there is an urgent need to develop and integrate novel tools for the successful management of d. citri and also to prevent the development of insecticide resistance. | 2013 | 23371893 |
| towards the identification and synthesis of the sex pheromone of the citrus leafminer, phyllocnistis citrella stainton (lepidoptera: gracillariidae). | the objective of this work was to characterize the sexual behavior of the citrus leafminer, phyllocnistis citrella stainton, as the foundation for the isolation, identification, and synthesis of the complete sex pheromone of this species. mating occurred in a time window of 2h, starting 1h before the onset of photophase. the large majority of tested insects mated in the first two days after emergence, with no significant difference between mating at day 1 and day 2. a stereotypical courtship and ... | 2007 | 17352064 |