Recording the Occurrence of the Bean Bug Riptortus Clavatus (Thunberg) (Heteroptera: Alydidae) Using an Automatic Counting Trap

Tabuchi, Ken; Moriya, Seiichi; Mizutani, Nobuo; Ito, Kenji

doi:10.1303/jjaez.2006.123

Cited by 21 publications

(15 citation statements)

References 9 publications

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“…The pheromone system of the species has been reported to be a mixture of (E)-2-hexenyl (Z)-3-hexenoate, (E)-2-hexenyl (E)-2-hexenoate, and tetradecyl isobutyrate in the ratio 1:5:1 (Leal et al 1995). These components have been synthesized, and further studies of the dosage and effective blending ratio of the pheromone lure (Masuta et al 2001;Endo et al 2005) or of trap types (Moriya and Mizutani 2003;Tabuchi et al 2006) have been conducted for practical use of this pheromone.…”

Section: Introductionmentioning

confidence: 99%

Seasonal synchrony between pheromone trap catches of the bean bug, Riptortus pedestris (Heteroptera: Alydidae) and the timing of invasion of soybean fields

Endo

Wada

Sasaki³

2011

Appl Entomol Zool

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Seasonal catches of the bean bug, Riptortus pedestris (Fabricius), captured in traps containing the synthetic pheromone, were investigated under different field conditions from 2005 to 2007. In soybean fields, the number of bugs attracted to the pheromone traps increased after flowering and peaked 9-13 days after flowering. After these attraction peaks, the populations of adult bugs and nymphs increased in soybean fields. In traps located in grassland, however, only small numbers of the bugs were caught during the soybean flowering stages (from mid August to early September). The sex ratio of adults caught in the pheromone traps differed among soybean growth stages. Before flowering, more males were caught than females. After flowering, trapped females increased in number and the proportion of females exceeded 0.5 throughout the flowering periods. These results suggest that attraction to the pheromone may be affected by host plant phenology, and that females, in particular, respond strongly to the pheromone during flowering of the host plant soybean.

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Section: Introductionmentioning

confidence: 99%

Seasonal synchrony between pheromone trap catches of the bean bug, Riptortus pedestris (Heteroptera: Alydidae) and the timing of invasion of soybean fields

Endo

Wada

Sasaki³

2011

Appl Entomol Zool

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“…The peak of flight activity in R. pedestris was around 2 p.m. (Tabuchi et al, 2006), which corresponded to the highest diurnal temperature; however, the maximal speed of L. chinensis was not significantly affected by temperature. These results suggest that the maximal speed of L. chinensis was less influenced by temperature than that of R. pedestris.…”

Section: Discussionmentioning

confidence: 89%

Measurement of flight speed and estimation of flight distance of the bean bug, Riptortus pedestris (Fabricius) (Heteroptera: Alydidae) and the rice bug, Leptocorisa chinensis Dallas (Heteroptera: Alydidae) with a speed sensor and flight mills

Tsunoda

Moriya

2008

Appl. Entomol. Zool.

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We investigated the flight speed and flight duration of Riptortus pedestris (Fabricius) (Heteroptera: Alydidae) and Leptocorisa chinensis Dallas (Heteroptera: Alydidae) to estimate their flight distance by measuring the speed of stinkbugs flying towards a window in a room with a speed sensor. R. pedestris flew faster than L. chinensis although there was no difference in speed between sexes. R. pedestris flew fastest at 29°C and slowest at 19°C; however, the flight speed of L. chinensis was not significantly different among 29, 25, and 19°C. Flight duration was measured using a flight mill for 22 hours under L13 : D11 at 25°C. The results showed that L. chinensis flew significantly longer than R. pedestris, and there was no difference between the sexes. From the product of flight speed and flight duration, the estimated R. pedestris flight distance was 3.1-4.6 km day Ϫ1 , and L. chinensis was 24.2-29.4 km. Flight distances calculated using only the flight mill were shorter than with a speed sensor.

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“…Field females with immature ovaries and males with immature EFRs were attracted to males reared in a long photoperiod or synthetic pheromone bait in autumn (from midSeptember to December) (Tabuchi et al, , 2006Mizutani et al, 2008 and the present study). The attracted adults were apparently under reproductive diapause, judging from the status of their internal organs, suggesting that the R. pedestris pheromone has a function other than as a sex attractant.…”

Section: Discussionmentioning

confidence: 92%

Influence of photoperiod on attractiveness and pheromone contents of the bean bug, Riptortus pedestris (Heteroptera: Alydidae)

Mizutani

Wada

Yasuda

et al. 2008

Appl. Entomol. Zool.

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The attractiveness of Riptortus pedestris males reared in short (10L14D) and long (16L8D) photoperiods to field adults was examined in field trap experiments in autumn. Simultaneously, the pheromone component occurrences and the condition of the internal organs of bait males were clarified by GC-MS analysis and dissection, respectively. In two field experiments, male baits reared in the short photoperiod did not attract any conspecific adults, while males reared in the long photoperiod did. Tetradecyl isobutyrate (14:iBu), which is an essential component of the R. pedestris pheromone, was not detected in any of the extracts of male baits reared in the short photoperiod, while the component was often detected in the extracts of male baits reared in the long photoperiod. In the extracts of 0-to 12-day-old males reared in the short photoperiod in a laboratory, 14:iBu was not detected at all. Males reared in the short photoperiod in the field and laboratory experiments had an immature erection fluid reservoir, indicating that the males entered a reproductive diapause. The present results indicate that photoperiod greatly influences the sexual maturation and pheromone emission of males in R. pedestris.

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Recording the Occurrence of the Bean Bug Riptortus Clavatus (Thunberg) (Heteroptera: Alydidae) Using an Automatic Counting Trap

Cited by 21 publications

References 9 publications

Seasonal synchrony between pheromone trap catches of the bean bug, Riptortus pedestris (Heteroptera: Alydidae) and the timing of invasion of soybean fields

Seasonal synchrony between pheromone trap catches of the bean bug, Riptortus pedestris (Heteroptera: Alydidae) and the timing of invasion of soybean fields

Measurement of flight speed and estimation of flight distance of the bean bug, Riptortus pedestris (Fabricius) (Heteroptera: Alydidae) and the rice bug, Leptocorisa chinensis Dallas (Heteroptera: Alydidae) with a speed sensor and flight mills

Influence of photoperiod on attractiveness and pheromone contents of the bean bug, Riptortus pedestris (Heteroptera: Alydidae)

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