Life History Parameters of the Sunn Pest,<i>Eurygaster integriceps</i>, Held at Four Constant Temperatures

Iranipour, Shahzad; Pakdel, A Kharrazi; Radjabi, G.

doi:10.1673/031.010.10601

Cited by 13 publications

(13 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In both years, during the period considered above, the average maximum temperature was highest in Zone 2, whereas Zone 1 always presented the lowest average minimum temperature. Higher temperatures stimulate the development of wheat bugs (Javahery 1996; Iranipour et al 2010) and could explain the different densities in the three zones (Figure 4). …”

Section: Resultsmentioning

confidence: 99%

Population Density and Distribution of Wheat Bugs Infesting Durum Wheat in Sardinia, Italy

Salis

Goula

Izquierdo

et al. 2013

Journal of Insect Science

View full text Add to dashboard Cite

Wheat is a very important crop in Italy, and is infested by wheat bugs belonging to the genera Eurygaster (Hemiptera: Scutellaridae) and Aelia (Hemiptera: Pentatomidae). Many wheat bug infestations have been reported in the north, south, and center of Italy, both in the past as well as recently. The present study was carried out in Sardinia, Italy, during two years (2007 and 2008). The objective of this study was to determine the species and distribution of wheat bugs in durum wheat fields in Sardinia, and to estimate their population density in order to know the incidence of the pest on the island. Sampling took place twice a year (May and June) in three zones, representative of durum wheat cropping in the island. Four species of wheat bugs were found; the predominant species was Eurygaster austriaca (Schrank), followed by Aelia germari (Kuster), Eurygaster maura L., and Aelia acuminata L. The average density of wheat bugs was low (1.1 individuals/m2), but in certain areas it was above the damage threshold (4 individuals/m2). For this reason, the conclusion of the study is that this pest should be monitored in order to control outbreaks and prevent their further spread.

show abstract

Section: Resultsmentioning

confidence: 99%

Population Density and Distribution of Wheat Bugs Infesting Durum Wheat in Sardinia, Italy

Salis

Goula

Izquierdo

et al. 2013

Journal of Insect Science

View full text Add to dashboard Cite

show abstract

“…The PDD value was obtained for different stages of the sunn pest using the following formula: PDD = t(c − a), where t is the general range of generation time and c and a are the ranges of practical and theoretical temperatures respectively. 58 According to Iranipour et al, 57 the generation time periods ranged from 121 to 40 days when the temperature dropped from 22 to 30 ∘ C. In addition, Mozaffari and Azizian 59 indicated that sunn pest degree-days range between 413.8 and 1132. Accordingly, the selected value of 1180 degree-days was set to exclude cold Northern Hemisphere countries and to limit pests in Europe.…”

Section: Annual Heat Summentioning

confidence: 99%

Modelling the current and potential future distributions of the sunn pest Eurygaster integriceps (Hemiptera: Scutelleridae) using CLIMEX

Aljaryian

Kumar

Taylor

2016

Pest Management Science

View full text Add to dashboard Cite

show abstract

“…By using the above said observations life and fecundity tables were constructed for BPH at different temperature regimes. The methodology followed in the present investigation was adopted from Iranipour et al (2010).…”

Section: Observationsmentioning

confidence: 99%

Effect of temperature on life history parameters of brown planthopper(Nilaparvata lugens Stal)

Manikandan¹,

Kennedy²,

Geethalakshmi³

2015

Afr. J. Agric. Res.

View full text Add to dashboard Cite

Climate change, especially temperature increase, would affect insect physiology, behavior, and development as well as species distribution and abundance, evidenced by changes in the number of generations a year, increasing survival rates in winter, and the earlier appearance of some insects. Hence, an investigation was undertaken to understand effect of elevated temperature on population dynamics of Brown Planthopper (BPH). Experiments were carried out in Temperature control chamber (TCC) with five different constant temperatures (28.0, 30.0, 32.0, 34.0 and 36.0°C). Age specific life table was constructed for Nilaparvata lugens at various temperature regimes and it revealed that BPH took as long as 44 days to complete the generation at 28.0°C and as short as 32 days at 36.0°C. The 50% mortality occurred on 20.1 days after incubation at 28.0°C, whereas it was observed as early as on 6.3 days at 36.0°C. Pre-oviposition period decreased considerably with increasing temperatures. Total number of eggs recorded was more (233) at 30.0°C and less (116) at 36.0°C. It was also noted that the 50% fecundity in BPH was recorded on 36 th day after incubation at 28.0°C, whereas it was observed on 24.3 days itself when the BPH was reared at 36.0°C. The net reproductive rate of BPH was observed to be higher at lower temperature regimes. All the growth parameters were observed to decrease at 36°C, which reveals that the temperature increase above 34 °C is detrimental to the development of BPH.

show abstract

Life History Parameters of the Sunn Pest,Eurygaster integriceps, Held at Four Constant Temperatures

Cited by 13 publications

References 5 publications

Population Density and Distribution of Wheat Bugs Infesting Durum Wheat in Sardinia, Italy

Population Density and Distribution of Wheat Bugs Infesting Durum Wheat in Sardinia, Italy

Modelling the current and potential future distributions of the sunn pest Eurygaster integriceps (Hemiptera: Scutelleridae) using CLIMEX

Effect of temperature on life history parameters of brown planthopper(Nilaparvata lugens Stal)

Contact Info

Product

Resources

About