Biologia de Iphiseiodes zuluagai Denmark &amp; Muma (Acari: Phytoseiidae)

Reis, Paulo Rebelles; Chiavegato, Luiz G.; Alves, Everaldo B.

doi:10.1590/s0301-80591998000200003

Cited by 29 publications

(33 citation statements)

References 21 publications

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“…Eight arenas were placed equidistantly from the other in each petri dish, as described by Reis et al (1998). Both, larvae and nymphs of B. phoenicis were used as prey because those seem to be the stage preferred by Euseius citrifolius Denmark & Muma (Gravena et al 1994), E. alatus and I. zuluagai phytoseiids (Reis et al 2000a).…”

Section: Bioassaysmentioning

confidence: 99%

Effect of prey density on the functional and numerical responses of two species of predaceous mites (Acari: Phytoseiidae)

et al. 2003

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Efeito da Densidade de Presa nas Respostas Funcional e Numérica de Duas Espécies deÁcaros Predadores (Acari: Phytoseiidae)RESUMO -Ácaros da família Phytoseiidae são os inimigos naturais de ácaros-praga mais importantes e estudados. Uma questão freqüentemente levantada é se os fitoseídeos podem reduzir altas densidades de ácaros fitófagos a baixos níveis. PALAVRAS-CHAVE: Iphiseiodes zuluagai, Euseius alatus, Brevipalpus phoenicis, citros, cafeeiroABSTRACT -Phytoseiidae mites are the most important and studied natural enemies of pest mites. A question frequently raised is whether phytoseiid may reduce high densities of phytophagous mites. Studies of functional and numerical responses may help to answer this question. The aim of this work was to evaluate the potential predation success of Iphiseiodes zuluagai Denmark and Muma and Euseius alatus DeLeon (Acari: Phytoseiidae) on Brevipalpus phoenicis (Geijskes) (Acari: Tenuipalpidae), vector of the citrus leprosis and the coffee ringspot viruses. Bioassays were performed in the laboratory. Adult females of each predator were isolated in arenas made with citrus leaves (3-cm diameter). Immature stages of B. phoenicis were offered as prey, at the following numbers/arena: 1, 2, 5, 10, 20, 30 and 35 (seven replicates), 45 (four replicates), 55 (three replicates) and 70, 100, 125, 200 and 300 (two replicates). The number of killed prey and of eggs laid by the predators was evaluated every 24h, during eight days. Killed prey was replaced daily by new prey. For both predatory mites, a positive and highly significant correlation was found between the numbers of prey offered and killed. The average daily oviposition rate also increased with the number of killed prey. At the lower densities, E. alatus killed and ate more B. phoenicis than I. zuluagai. The opposite was observed at the highest densities. It is possible that E. alatus can reduce B. phoenicis population even at low prey densities, and I. zuluagai can do the same also at high densities. The fact that E. alatus requires less prey than I. zuluagai suggests that its survivorship may be higher than that of I. zuluagai at low prey densities. KEY WORDS: Iphiseiodes zuluagai, Euseius alatus, Brevipalpus phoenicis, citrus, coffee plant 462Reis et al.

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Section: Bioassaysmentioning

confidence: 99%

Effect of prey density on the functional and numerical responses of two species of predaceous mites (Acari: Phytoseiidae)

et al. 2003

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“…Estimations were also made for the finite reason of increase (λ), in other words, the number of times that the population grows a day (λ = e r m ), the average duration of a generation (T = ln R o / r m ) and the necessary time for the population to double (ln 2/ r m ), according to and Reis et al (1998). The times necessary to reach 50% mortality (TL50) and 100% mortality (TL100) were obtained by using the fertility life table.…”

Section: Methodsmentioning

confidence: 99%

“…The times necessary to reach 50% mortality (TL50) and 100% mortality (TL100) were obtained by using the fertility life table. TL50 corresponded to the age x where the survival (l x ) presented a value close to 0.50 (Reis et al, 1998).…”

Section: Methodsmentioning

confidence: 99%

Reproductive performance of the mite Brevipalpus phoenicis (Geijskes, 1939) on citrus and coffee, using life table parameters

Teodoro

Reis

2006

Braz. J. Biol.

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The flat-mite Brevipalpus phoenicis (Geijskes, 1939) (Acari: Tenuipalpidae) is considered important in citrus (Citrus spp.) and coffee plants (Coffea spp.) in Brazil, and is known as the leprosis and coffee ring spot mite, as being a vector of the Citrus Leprosis Rhabdovirus -CitLV and Coffee Ring Spot Virus -CoRSV. The objective of this work is to find out about the reproductive success of B. phoenicis on citric fruits and coffee leaves by fertility life table parameters and its biology. The experiments were carried out in laboratory conditions at 25 ± 2 °C, 70 ± 10% of relative humidity and 14 h of photophase. The lengths of embryonic and post-embryonic periods were different due to the host where the mite was reared. B. phoenicis showed better development and higher survival and fecundity in citric fruits than coffee leaves. The intrinsic rate of the population increase (r m ) was 0.128 and 0.090 -females/female/day on citric fruits and coffee leaves, respectively. The citric fruits were more appropriate for the development of B. phoenicis than coffee leaves.

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“…The dishes were covered with PVC film to impede ecloded larvae from escaping. Each egg was observed daily, at 8:00 a.m. and 4:00 p.m. (Reis et al, 1998), to determine the approximate moment of the larval eclosion.…”

Section: Embryonic Developmentmentioning

confidence: 99%

Reproductive parameters of Phytoseiulus macropilis (Banks) fed with Tetranychus urticae Koch (Acari: Phytoseiidae, Tetranychidae) in laboratory

et al. 2017

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Predatory mites that belong to the Phytoseiidae family are one of the main natural enemies of phytophagous mites, thus allowing for their use as a biological control. Phytoseiulus macropilis (Banks, 1904) (Acari: Phytoseiidae) is among the main species of predatory mites used for this purpose. Tetranychus urticae Koch, 1836 (Acari: Tetranychidae) is considered to be one of the most important species of mite pests and has been described as attacking over 1,100 species of plants in 140 families with economic value. The objective of the present study was to investigate, in the laboratory, the reproductive parameters of the predatory mite P. macropilis when fed T. urticae. Experiments were conducted under laboratory conditions at 25 ± 2 °C of temperature, 70 ± 10% RH and 14 hours of photophase. In addition, biological aspects were evaluated and a fertility life table was established. The results of these experiments demonstrated that the longevity of adult female was 27.5 days and adult male was 29.0 days. The population was estimated to increase approximately 27 times (R o ) in mean generation time (T), which was 17.7 days. Lastly, the mite population grew 1.2 times/day (λ) and doubled every 3.7 days (TD).Keywords: agricultural acarology, two-spotted spider mite, fertility life table, biology, biological control. Parâmetros reprodutivos de Phytoseiulus macropilis (Banks)predando Tetranychus urticae Koch (Acari: Phytoseiidae, Tetranychidae) em laboratório ResumoOs ácaros predadores pertencentes à família Phytoseiidae constituem um dos principais inimigos naturais de ácaros fitófagos, o que possibilita o seu uso em controle biológico. Entre as principais espécies destaca-se Phytoseiulus macropilis (Banks, 1904) (Acari: Phytoseiidae). O ácaro Tetranychus urticae Koch, 1836 (Acari: Tetranychidae) é considerado uma das espécies de ácaros-praga mais importantes, atacando mais de 1.100 espécies de plantas em 140 famílias de valor econômico. Este trabalho foi realizado com o objetivo de estudar, em laboratório, os parâmetros reprodutivos do ácaro predador P. macropilis, quando alimentado com T. urticae. Os estudos foram conduzidos em laboratório à temperatura de 25 ± 2 °C, 70 ± 10% de UR e 14 horas de fotofase e foram avaliados os aspectos biológicos e confeccionada a tabela de vida de fertilidade. Foi constatada uma longevidade de 27,5 dias para fêmeas adultas e 29,0 dias para machos. A população foi estimada em aumentar aproximadamente 27 vezes (R o ) no período médio de duração de geração (T) que foi de 17,7 dias. A população do ácaro cresceu 1,2vezes/dia (λ) e dobrou a cada 3,7 dias (TD).Palavras-chave: acarologia agrícola, ácaro-rajado, tabela de vida de fertilidade, biologia, controle biológico.

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Biologia de Iphiseiodes zuluagai Denmark & Muma (Acari: Phytoseiidae)

Cited by 29 publications

References 21 publications

Effect of prey density on the functional and numerical responses of two species of predaceous mites (Acari: Phytoseiidae)

Effect of prey density on the functional and numerical responses of two species of predaceous mites (Acari: Phytoseiidae)

Reproductive performance of the mite Brevipalpus phoenicis (Geijskes, 1939) on citrus and coffee, using life table parameters

Reproductive parameters of Phytoseiulus macropilis (Banks) fed with Tetranychus urticae Koch (Acari: Phytoseiidae, Tetranychidae) in laboratory

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