Egg Periods in Several Populations of Yellow-Spotted Longicorn Beetle, Psacothea hilaris PASCOE (Coleoptera: Cerambycidae).

Sakakibara, Mitsutaka

doi:10.1303/jjaez.39.59

Cited by 9 publications

(4 citation statements)

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“…a The stadium destined to pupate or enter diapause (M i ϭpupation/diapause) has different K and T 0 . b Data obtained fromSakakibara (1995). c Parameters could not be accurately estimated from the present laboratory experiments due to the small sample size, but the sample data fit well to the regression line for the 6th stadium under the normal mode.…”

mentioning

confidence: 85%

“…Except for the egg stage, K and T 0 were estimated from the information obtained from the above rearing experiments using a linear regression of 1/D against T (see Results). K and T 0 for the egg stage were obtained from Sakakibara (1995), who determined these values for P. hilaris from various locations in Japan. The values for the Kochi City population (west Japan type) were used in the present simulations.…”

Section: Parameter Estimationmentioning

confidence: 99%

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Prediction of the life cycle of the west Japan type yellow-spotted longicorn beetle, Psacothea hilaris (Coleoptera: Cerambycidae) by numerical simulations.

Watari

Yamanaka

Asano

et al. 2002

Appl. Entomol. Zool.

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A temporally structured model that enables simulation of the development of the west Japan type yellow-spotted longicorn beetle, Psacothea hilaris (Pascoe), at different locations was developed. Life history parameter values incorporated into the model were estimated by laboratory rearing experiments. To validate the present model, the development of eggs laid monthly from June 1 through November 1 was simulated under dynamic temperature and photoperiod conditions at Ayabe City. The individuals laid on June 1 did not enter diapause but emerged in early August of the same year. On the other hand, about 2/3 of the individuals laid on July 1, and all those laid on August 1 and September 1 entered diapause (or quiescence), and started to emerge in late May of the following year. Individuals laid on October 1 and November 1 overwintered as young larvae (1st-3rd stadia) and eggs, respectively, and the majority of these emerged in late July-early August. Interestingly, the remaining individuals entered diapause in the 2nd year and emerged in June of the 3rd year. Analyses of these simulation results suggested that concentrated emergence of P. hilaris can occur twice in one year (in late May-early June and in late July-early August) at Ayabe, and this is fairly concordant with known adult prevalence at this location considering the long lifespan of adults. It was also suggested that although P. hilaris at Ayabe has basically a univoltine life cycle with a facultative diapause, varying proportions of the population appear to have a bivoltine life cycle or a semivoltine life cycle depending on the meteorological conditions of that year. The life cycle of P. hilaris is suggested to be very flexible and adaptive to environmental fluctuations.

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confidence: 85%

Section: Parameter Estimationmentioning

confidence: 99%

Prediction of the life cycle of the west Japan type yellow-spotted longicorn beetle, Psacothea hilaris (Coleoptera: Cerambycidae) by numerical simulations.

Watari

Yamanaka

Asano

et al. 2002

Appl. Entomol. Zool.

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“…Larvae of this type show a clear long-day photoperiodic response in their development at 25 C and enter diapause at the final instar (Emori, 1979;Shintani et al, 1996a, b). However, the reproductive period of adults is very long in this species (Iba, 1982), and they do not enter diapause in the egg stage (Sakakibara, 1995). However, the reproductive period of adults is very long in this species (Iba, 1982), and they do not enter diapause in the egg stage (Sakakibara, 1995).…”

Section: Introductionmentioning

confidence: 93%

“…This photoperiodic response is considered to play an important role in the establishment of a univoltine life cycle. However, the reproductive period of adults is very long in this species (Iba, 1982), and they do not enter diapause in the egg stage (Sakakibara, 1995). Thus, the ages of overwintering larvae vary considerably.…”

Section: Introductionmentioning

confidence: 99%

Diapause avoidance induced by low temperature in the yellow‐spotted longicorn beetle, Psacothea hilaris

Shintani

Ishikawa

1997

Entomologia Exp Applicata

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The diapause-averting effect of low temperature on pre-diapause larvae was examined in the yellow-spotted longicorn beetle, Psacothea hilaris. Larvae that had been reared under diapause-inducing conditions (25 C, L12:D12) were temporarily exposed to 10 C for various periods, and returned to the initial condition. Diapause was not averted by chilling for 15 days irrespective of the age of the larvae at chilling. After a 30-day chilling treatment, all of the 40-and 60-day-old larvae averted diapause, while diapause was averted in only one-third of the 10-and 20-day-old larvae. None of the pre-diapause larvae chilled for 60 days entered diapause irrespective of the age at chilling. With diapause avoidance, larvae that overwintered in earlier instars can start growing in earliest spring without any arrest; this phenomenon probably subserves the synchronization of larval development in a population.

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Large variation in length of egg period in Psacothea hilaris (Coleoptera: Cerambycidae)

Yumino

Togashi

2014

Appl Entomol Zool

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Egg Periods in Several Populations of Yellow-Spotted Longicorn Beetle, Psacothea hilaris PASCOE (Coleoptera: Cerambycidae).

Cited by 9 publications

References 0 publications

Prediction of the life cycle of the west Japan type yellow-spotted longicorn beetle, Psacothea hilaris (Coleoptera: Cerambycidae) by numerical simulations.

Prediction of the life cycle of the west Japan type yellow-spotted longicorn beetle, Psacothea hilaris (Coleoptera: Cerambycidae) by numerical simulations.

Diapause avoidance induced by low temperature in the yellow‐spotted longicorn beetle, Psacothea hilaris

Large variation in length of egg period in Psacothea hilaris (Coleoptera: Cerambycidae)

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