Effects of chlorpyrifos and sulfur on spider mites (Acari: Tetranychidae) and their natural enemies

Prischmann, Deirdre A.; James, David G.; Wright, Lawrence C.; Teneyck, Roak D.; Snyder, William E.

doi:10.1016/j.biocontrol.2005.03.008

Cited by 87 publications

(55 citation statements)

References 32 publications

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“…Such occurrence has been considered abnormal and could be associated with alterations of the soybean production system. Among the factors probably favoring the occurrence of mites are the use of new soybean cultivars, with favorable nutritional and morphological composition (Elden, 1997;Ali, 1999;Abraham, 2000;Rita & Lajos, 2001), increased use of glyphosate, which may reduce the biological diversity of the system and affect the arthropod population (Buckelew et al, 2000;Bitzer et al, 2002;Scursoni et al, 2006) and can be detrimental to entomopathogenic fungi (Morjan et al, 2002), pesticide use for pest management, which can influence, directly and indirectly, the spider mite population (Gerson & Cohen, 1989;Trichilo & Wilson, 1993;Grout et al, 1997;Childers & About-Setta, 1999;Sato et al, 2001Sato et al, , 2002James, 2003;Beers et al, 2005;Prischmann et al, 2005), and the occurrence of droughts (Flechtmann, 1972).…”

Section: Introductionmentioning

confidence: 99%

Spider mites associated to soybean in Rio Grande do Sul, Brazil

Roggia

Guedes

Kuss

et al. 2008

Pesq. agropec. bras.

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-The objective of this work was to study the occurrence and geographic distribution of phytophagous mites associated to soybean in Rio Grande do Sul, Brazil. Samplings were performed from January to May 2005 on genetically modified soybean (glyphosate-tolerant) crops, in 27 municipalities of six regions -Alto Vale do Uruguai, Campanha, Depressão Central, Planalto Médio, Missões and Serra do Sudeste. Five phytophagous mite species belonging to the family Tetranychidae -Mononychellus planki, Tetranychus desertorum, T. gigas, T. ludeni and T. urticae -occurred in 21, 12, 5, 3 and 14 municipalities, respectively. A map of Rio Grande do Sul with the geographic distribution of each species is presented, as well as an illustrated dichotomous key to help the identification of the spider mites found.

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Section: Introductionmentioning

confidence: 99%

Spider mites associated to soybean in Rio Grande do Sul, Brazil

Roggia

Guedes

Kuss

et al. 2008

Pesq. agropec. bras.

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“…Predatory mites have been produced commercially for use as biological control agents against pest insects (Xu et al, 2013a). Life tables of both predator and prey allow the control effects of predatory mite species on harmful mites to be objectively evaluated, thus providing a theoretical foundation for efficient biological control (Prischmann et al, 2005).…”

Section: Discussionmentioning

confidence: 99%

Effects of temperature on development and reproduction of Neoseiulus bicaudus (Phytoseiidae) feeding on Tetranychus turkestani (Tetranychidae)

Jiang

Huang

et al. 2015

Systematic and Applied Acarology

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Neoseiulus bicaudus (Wainstein), a species of Neoseiulus Hughes (Acari: Phytoseiidae), was collected at Ili in the Xinjiang Uyghur Autonomous Region of China in July 2013. As Neoseiulus species are valuable predator mites, N. bicaudus could be used for biocontrol of some small pests like spider mites, whitefly, and thrips. Tetranychus turkestani (Ugarov et Nikolskii) is the main spider mite affecting agriculture and forestry in Xinjiang. The development rate and reproductive biology of N. bicaudus feeding on T. turkestani were studied at six constant temperatures: 18 ºC, 22 ºC, 26 ºC, 29 ºC, 32 ºC, and 35 ºC. The duration of the egg, larva, protonymph, total immature, and pre-oviposition stages all decreased as temperatures increased from 18 ºC to 32 ºC and then increased slightly as temperatures increased from 32 ºC to 35 ºC. The mean generation time (6.95 days) and the shortest time for the population to double (1.70 days) were observed at 35 ºC. The intrinsic rate of natural increase (r m ) and the finite rate of increase (λ) both were larger as temperature increased, reaching their maxima at 35 ºC. The net reproductive rate (R 0 = 34.60) also reached a maximum at 26 ºC. The maximum daily fecundity (2.55 eggs/day/female) and the maximum daily female fecundity (1.69female eggs/day/female) were both observed at 26 ºC. The results showed that N. bicaudus could complete its development at the six temperatures used in this study. Both the developmental duration as well as the time needed for the population to double decreased as temperature increased. As temperature increased, the duration of the oviposition period first increased and then decreased. The optimal development and reproduction temperature of N. bicaudus preying on T. turkestani is approximately 26 ºC.

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“…In a variety of field and orchard crops, broad-spectrum insecticides may disrupt the biological control of mites, triggering secondary mite outbreaks that necessitate further pesticide use (Agnello et al 2003;Prischmann et al 2005;Zalom et al 2001). In many instances, substituting more-selective insecticides has helped reduce the severity of these secondary mite infestations and in turn the overall costs of managing orchard pests.…”

Section: Mite Controlmentioning

confidence: 99%

“…activity, they kill beneficial insects as well as the targeted pests. The loss of beneficial insects can result in outbreaks of secondary pests such as mites and aphids, necessitating additional treatments and further increasing the potential for negative environmental impacts (Agnello et al 2003;Prischmann et al 2005;Zalom et al 2001).…”

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confidence: 99%