Attraction of Adults and Nymphs by Male Adults of Eysarcoris lewisi (Distant) (Heteroptera: Pentatomidae) Reared with a Long Photoperiod.

Takita, Masami

doi:10.1303/jjaez.2007.231

Cited by 9 publications

(6 citation statements)

References 13 publications

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“…The present study clarified that diapausing males of R. pedestris with immature EFRs did not have pheromone components at all, while non-diapausing males with mature EFRs had pheromone components. A similar phenomenon in which diapausing males did not attract conspecific individuals and/or did not have pheromone components has been reported in P. hybneri (Endo et al, 2007) and E. lewisi (Takita, 2007), indicating that the profile of pheromone contents could be used as a criterion to define the status of male reproductive diapause in these bugs.…”

Section: Discussionsupporting

confidence: 67%

“…A similar phenomenon in which the photoperiod influences the emission of male pheromone has been reported in several true bug species. In Eysarcoris lewisi (Heteroptera: Pentatomidae), males reared in the short photoperiod (8L16D) did not attract conspecific adults and nymphs (Takita, 2007). In Piezodorus hybneri (Heteroptera: Pentatomidae), no pheromone components were detected in any diapause males reared in the short photoperiod (12L12D) (Endo et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

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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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Section: Discussionsupporting

confidence: 67%

Section: Discussionmentioning

confidence: 99%

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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“…In some species of true bugs (Heteroptera), males release pheromones that attract conspeciÞc individuals (Harris and Todd 1980, Moriya and Shiga 1984, Kochansky et al 1989, Yasuda 1990, Takita 2007. Whether these pheromones function as a cue indicating a food source or a mating cue has been a topic of some discussion (Brennan et al 1977, Shetty andHough-Goldstein 1998).…”

Section: Discussionmentioning

confidence: 99%

Adaptive Traits of Riptortus pedestris Nymphs (Heteroptera: Alydidae) for Locating Host Plants

Nakajima

Sakuma

Sasaki³

et al. 2010

Annals of the Entomological Society of America

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Riptortus pedestris (F.) (Heteroptera: Alydidae) females oviposit not only on host plants but also on nonhosts, which may impose high costs on nymphs in terms of locomotion energy and time searching for host plants. Therefore, we hypothesized that second-instar nymphs have developed adaptive traits that help them access host plants, because the first feeding stage occurs during the second instar in this bug. We compared responses to the aggregation pheromone, relative leg lengths, and locomotion performance using a servosphere locomotion compensator as tests of physiological, morphometric, and behavioral traits, respectively, among the instars. We also investigated the effects of delayed feeding in the second instar on subsequent survival and development. Our results indicated that second-instar nymphs might have responded more sensitively to synthetic aggregation pheromone than other instars. Morphological measurements showed that second-instar nymphs had the longest relative leg length compared with other instars. The experiment using the servosphere revealed that second-instar nymphs had higher locomotion performance than did older nymphs, which may allow second-instar nymphs to walk a distance comparable to older nymphs, although their body size is much smaller. However, we did find that more than a 48-h delay in feeding after the first-instar molt decreased subsequent survival rates and that a later first-feeding led to a longer developmental period during the second instar. We concluded that R. pedestris nymphs have evolved various adaptive traits to enhance the probability of accessing host plants in response to the costly oviposition habit of adult females that lay eggs on nonhosts.

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“…In the case of Eysarcoris lewisi (Distant) (Heteroptera: Pentatomidae), adult males and their volatiles collected can attract males, females, and nymphs of the same species, and the existence of an aggregation pheromone has been suggested (Takita et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Isolation and estimation of the aggregation pheromone from Eysarcoris lewisi (Distant) (Heteroptera: Pentatomidae)

Takita

Sugie

Tabata

et al. 2008

Appl. Entomol. Zool.

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A male-produced crude aggregation pheromone from Eysarcoris lewisi (Distant) (Heteroptera: Pentatomidae) was collected from volatiles emitted by adult males. It was purified with high performance liquid chromatography using a silica gel column, followed by preparative gas chromatography. The attraction activity of each fraction was field tested using water pan traps. The isolated compound of the aggregation pheromone component was analyzed by GC-MS and NMR, and the chemical structure was estimated to be (Z)-2-methyl-6-(4-methylenebicyclo[3.1.0]hex-1-yl)hept-2-en-1-ol.

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Attraction of Adults and Nymphs by Male Adults of Eysarcoris lewisi (Distant) (Heteroptera: Pentatomidae) Reared with a Long Photoperiod.

Cited by 9 publications

References 13 publications

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

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

Adaptive Traits of Riptortus pedestris Nymphs (Heteroptera: Alydidae) for Locating Host Plants

Isolation and estimation of the aggregation pheromone from Eysarcoris lewisi (Distant) (Heteroptera: Pentatomidae)

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