Seasonal occurrence and development of three closely related Oligonychus species (Acari: Tetranychidae) and their associated natural enemies on fagaceous trees

Shimazaki, Sayaka; Ullah, Mohammad Shaef; Gotoh, Tetsuo

doi:10.1007/s10493-019-00410-3

Cited by 7 publications

(4 citation statements)

References 21 publications

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“…In many temperature-dependent development studies of arthropods, linear models were used to estimate the lower thermal threshold and thermal constant [ 12 , 32 ]. An insect’s lower thermal threshold and thermal constant are indicators that can be used to forecast its potential distribution and abundance [ 3 , 6 , 7 , 33 , 34 ]. Several equations have been developed to describe the relationship between development rate and temperature.…”

Section: Discussionmentioning

confidence: 99%

Development and Reproductive Capacity of the Miyake Spider Mite Eotetranychus kankitus (Acari: Tetranychidae) at Different Temperatures

Ullah

Kobayashi

Gotoh

2022

Insects

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Eotetranychus kankitus (Acari: Tetranychidae) is an important pest of citrus. Assessing life history parameters is crucial to developing an ecologically sound pest management program. Of the many factors that affect life history parameters of herbivorous insects and mites, temperature has the greatest influence on development rate and reproductive potential. We investigated the effects of temperatures from 15 to 40 °C on the demographic parameters of E. kankitus under a long-day (16:8 (L:D) h) photoperiod. The egg-to-adult development time of E. kankitus decreased as the temperature increased from 15 to 32.5 °C. At 35 °C, the female laid eggs that died at the larval stage. The estimated lower thermal thresholds (t0) were 11.01 and 10.48 °C, and the thermal constants (K) were 190.67 and 188.63 degree-days for egg-to-adult females and egg-to-adult males, respectively. The intrinsic optimal temperatures (TØ) for development were 21.79 and 21.74 °C, respectively. The bootstrap-match technique was used in the construction of the life table paramaters. The net reproductive rate (R0) decreased as temperature increased from 20 to 30 °C, but the lowest rate was observed at 15 °C. The intrinsic rate of natural increase (r) increased from 0.0299 day−1 at 15 °C to 0.1822 day−1 at 30 °C. These findings provide a critical theoretical basis for predicting the occurrence of E. kankitus populations under climate warming and for developing appropriate control strategies.

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Section: Discussionmentioning

confidence: 99%

Development and Reproductive Capacity of the Miyake Spider Mite Eotetranychus kankitus (Acari: Tetranychidae) at Different Temperatures

Ullah

Kobayashi

Gotoh

2022

Insects

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“…Although a simple comparison is difficult, the density of phytoseiid mites in the present study of S. brevisetosus appears to be by far the lowest reported for any WN species. For example, Shimazaki et al (2019) frequently observed more than 0.5 phytoseiid mites per leaf on each survey date for Oligonychus castaneae Ehara and Gotoh populations on chestnut trees. Thus, such a low density of phytoseiid mites observed here might be related with the anti-predatory strategies of S. brevisetosus.…”

Section: Discussionmentioning

confidence: 99%

Predators of the nest-making spider mite <i>Schizotetranychus brevisetosus</i> (Acari: Tetranychidae)

Ito

2020

J. Acarol. Soc. Jpn.

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Several species of spider mites construct silk nests on leaf surfaces wherein they develop and reproduce (web-nesting species). Nesting patterns and behaviour of spider mites are related to predator avoidance, but the study of their influence on predatory fauna has been limited to species of a few genera. The present study investigates the occurrence of predators of Schizotetranychus brevisetosus, which make web nests and attack some predators, on evergreen oak in Kochi Prefecture, Japan. Of the total individual predators observed (n = 129), the highest proportion (38%) consisted of rove beetles Holobus spp. (Coleoptera: Staphylinidae), which are nest intruders and prey on mites at all stages of development. The second most abundant predators (26%) were Anystis spp. (Acari: Anystidae), which capture mites outside the nest. The common predators Phytoseiidae spp. (Acari) accounted for only 15% and were mostly found in hibernation. Other predators were rare, except for egg-eating Agistemus spp. (Acari: Stigmaeidae) (13%). The findings suggest that web nests and anti-predatory behaviours may bias the predatory fauna toward species that can cope with these anti-predatory strategies.

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“…In other words, variations in the occurrence and population density of the spider mites were related to variations in SPI. Other researchers believe that temperature, precipitation, and humidity significantly affect the distribution and seasonal activity of the spider mites under field conditions (Ullah et al, 2012;Bayu et al, 2017;Islam et al, 2017;Shimazaki et al, 2019).…”

Section: Impact Of Drought and Temperature On The Outbreak Of Spider ...mentioning

confidence: 99%

“…Spider mites are one of the most destructive pests of agricultural crops, which their population dynamic and damage are highly dependant on the climate condition. Temperature, precipitation, humidity and host plant are the most important factors that affect distribution and seasonal activity of the spider mites under field conditions (Ullah et al, 2012;Bayu et al, 2017;Islam et al, 2017;Shimazaki et al, 2019). Moreover, the population growth parameters of spider mites such as developmental rate, survival, reproduction, and longevity vary with the mentioned factors (Riahi et al 2013, El-Halawany & Abdel-wahed, 2013.…”

Section: Introductionmentioning

confidence: 99%

Influence of drought and temperature on population density of two species of spider mites and their predator Scolothrips longicornis in almond orchards

Saeidi¹

2023

J. Entomol. Soc. Iran

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High temperatures and low-humidity are the favorable conditions for spider mites, Tetranychus urticae Koch and Schizotetranychus smirnovi Wainstein, to cause serious threat to quality and quantity of almond. This study was undertaken to understand population changes of the spider mites during the normal and dry years and to predict the possibility of the pest outbreak in order to develop a successful integrated management strategy. Population fluctuations of S. smirnovi and T. urticae were studied on almond (Mamaei variety), from April to October of 2007-2009, in Saman orchards, Chaharmahal and Bakhtiari province, Iran. Meteorological data of three nearest synoptic stations including Saman, Zaman khan and Shahre-kord were collected from the Chaharmahal and Bakhtiari meteorological organization. The Standardized Precipitation Index (SPI) was used to detect meteorological droughts based on the monthly rainfall input data of three synoptic stations. The results showed the year 2008 as an extremely dry year, while revealing 2007 and 2009 as normal years. Comparison of spider mite population density in this year (SPI < -2) with the normal years, 2007 (SPI = -0.53) and 2009 (SPI= 0.41), showed a significant increase in the population density of S. smirnovi, (14.65 and 2.95 times) and T. urticae (7.28 and 2.87 times) compared to 2007 and 2009, respectively. Spearman's correlation analysis showed significant negative correlation of mean precipitation with population density of, S.smirnovi, (r = -0.65, p=0.022), T. urticae (r = -0.73, p=0.0001), and the predatory thrips, Scolothrips longicornis Priesner, (r = -0.67, p=0.0001) during three studied years. In the drought year, the phytophagous mite's population increased in response to high temperatures and low humidity. In a such year, the almond trees can be more vulnerable to mite damages and control is necessary.

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Seasonal occurrence and development of three closely related Oligonychus species (Acari: Tetranychidae) and their associated natural enemies on fagaceous trees

Cited by 7 publications

References 21 publications

Development and Reproductive Capacity of the Miyake Spider Mite Eotetranychus kankitus (Acari: Tetranychidae) at Different Temperatures

Development and Reproductive Capacity of the Miyake Spider Mite Eotetranychus kankitus (Acari: Tetranychidae) at Different Temperatures

Predators of the nest-making spider mite <i>Schizotetranychus brevisetosus</i> (Acari: Tetranychidae)

Influence of drought and temperature on population density of two species of spider mites and their predator Scolothrips longicornis in almond orchards

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