PUPARIAL DURATION IN <i>GLOSSINA MORSITANS ORIENTALIS</i> UNDER CONDITIONS OF CONSTANT TEMPERATURE

Phelps, R. J.; Burrows, P. M.

doi:10.1111/j.1570-7458.1969.tb02494.x

Cited by 50 publications

(68 citation statements)

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“…Despite these difficulties, we are still faced with the need to model development that occurs at low varying temperatures below that which permits complete development under constant conditions or below the notional development threshold (table 7; Luo & Li, 1993). Under varying temperature regimes, a substantial proportion of development may occur and accumulate at these low temperatures, as has been shown in M. persicae by the 60 Shu-sheng Liu and Xue-duo Meng present study and in many other insects such as Oncopeltus fasciatus (Dallas) (Hemiptera: Lygaeidae) (Lin et al, 1954), Glossina morsitans orientalis Machado (Diptera: Glossinidae) (Phelps & Burrows, 1969), Lucilia cuprina (Wiedemann) (Diptera: Calliphoridae) (Dallwitz, 1984), A. sonchi (Liu & Hughes, 1984), and Encarsia tricolor Foerster (Hymenoptera: Aphelinidae) (Avilla & Copland, 1988). Many studies of modelling insect development in the field have shown that nonlinear models are necessary for predicting development at low temperatures, while linear models usually underestimate development at these low temperatures (Butler et al, 1976;Lysyk, 1989;Judd & McBrien, 1994).…”

Section: Modelling Insect Development At Low Temperatures In the Fieldmentioning

confidence: 70%

Modelling development time of Myzus persicae (Hemiptera: Aphididae) at constant and natural temperatures

Liu

Meng²

1999

Bull. Entomol. Res.

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The development period from birth to adult of alate and apterous virginoparae of the green peach aphid, Myzus persicae (Sulzer), reared on Brassica campestris ssp. chinensis, was measured at 13 constant and five natural temperature regimes. The day-degree model, the logistic equation, and the Wang model were used to describe the relationships between temperature and development rate at constant conditions. The constant temperature-development curves derived from the three models were used with a Weibull function describing the distribution of development times, to simulate the development of individuals of cohorts reared at natural temperature regimes. Comparison of the observed with simulated distributions of adult emergence indicates that all three models can simulate the development of M. persicae very well when the temperature does not go below 4°C, the notional low temperature threshold of the day-degree model. When accumulation of temperatures below 4°C becomes substantial, only the logistic curve with a low temperature threshold of 0°C can offer accurate simulations; the other two models give falsely longer durations of development. Methods for accurately simulating the development of M. persicae in the field are suggested. The significance of modelling insect development at low temperatures by nonlinear models is discussed.

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Section: Modelling Insect Development At Low Temperatures In the Fieldmentioning

confidence: 70%

Modelling development time of Myzus persicae (Hemiptera: Aphididae) at constant and natural temperatures

Liu

Meng²

1999

Bull. Entomol. Res.

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“…Thus, for constant temperatures >20 and <31 • C pupal survival was >92% in the laboratory (Phelps & Burrows, 1969). Thus, for constant temperatures >20 and <31 • C pupal survival was >92% in the laboratory (Phelps & Burrows, 1969).…”

Section: Discussionmentioning

confidence: 86%

Factors affecting density‐independent survival of an island population of tsetse flies in Zimbabwe

Hargrove

2001

Entomologia Exp Applicata

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Analysis is presented of the factors affecting survival probability in populations of tsetse flies Glossina morsitans morsitans Westwood and G. pallidipes Austen (Diptera: Glossinidae) on Antelope Island, Lake Kariba, Zimbabwe. For mature male and female adult G. m. morsitans mean temperature (T bar ) accounted for 70 and 50%, respectively, of the variance in mark-recapture estimates of survival when the flies were not subjected to trapping. Saturation deficit (SD) only accounted for 36 and 33%, respectively. Maximum temperature (T max ) and SD accounted for 36-42% of the variance in male and female G. pallidipes. For the corresponding Moran curve estimates of the survival over all developmental stages, SD lagged by three weeks accounted for 61 and 41% of the variance for male and female G. m. morsitans, respectively, and 64 and 56% for G. pallidipes. The corresponding figures for plots against T max were 44, 23, 23, and 21%, respectively. The same patterns were seen in the whole data set once allowance was made for the effect of trapping on survival and for an effect of season, correlated with an index of photosynthetic activity. For male G. m. morsitans there was a significant effect of saturation deficit, but not temperature, on immature survival. Decreased adult survival at high temperatures results from the need to feed more frequently and hence to take more risks per unit time. High saturation deficits result directly in reduced emergence of healthy flies from pupae.

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“…Temperatures that cause the embryo to die when held constant throughout incubation can nevertheless support development provided that exposure is for a limited period each day (Headlee 1941;Harries 1943;Lin et al 1954;Fitch and Fitch 1967;Phelps and Burrows 1969;Luo and Li 1993;Morales-Ramos and Cate 1993). Constant temperature experiments alone may therefore not yield the necessary data at high or low temperatures to permit good estimates of the parameters T H , H H , T L , or H L of the Sharpe-DeMichele model or parameters b 4 and b 5 of the Dallwitz-Higgins model.…”

Section: Fitting the Nonlinear Modelsmentioning

confidence: 99%

Modelling Development of Reptile Embryos under Fluctuating Temperature Regimes

Georges

Beggs

Young

et al. 2005

Physiological and Biochemical Zoology

146

192

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An increase in temperature, within bounds, will accelerate development of reptile embryos, and morphogenesis can be normal over a range of temperatures despite those varying rates of development. Less well understood is the form of the relationship that best describes variation in developmental rate with temperature. In this article, we apply a linear degree.hour model, an empirical curvilinear model, a biophysical model, and a polynomial model to data on rates of embryonic development and temperature in the pig-nosed turtle Carettochelys insculpta from northern Australia. The curvilinear models, which have been applied with success to development of insects, describe the embryonic development of turtles well. When fluctuating temperatures extend beyond the constant temperatures that support successful incubation, the curvilinear models continue to perform well, whereas the linear model predictions fail. Sensitivity analysis indicates that under some circumstances, incubation duration may be increased by diel temperature fluctuations, independent of an influence of mean temperature. In other circumstances, incubation duration may be decreased, and in still other circumstances, diel temperature fluctuations will have no impact on incubation duration. This adds an additional dimension to our understanding of how thermal regimes can be selected or manipulated by reptiles to optimise incubation duration and the timing of offspring emergence.

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PUPARIAL DURATION IN GLOSSINA MORSITANS ORIENTALIS UNDER CONDITIONS OF CONSTANT TEMPERATURE

Cited by 50 publications

References 8 publications

Modelling development time of Myzus persicae (Hemiptera: Aphididae) at constant and natural temperatures

Modelling development time of Myzus persicae (Hemiptera: Aphididae) at constant and natural temperatures

Factors affecting density‐independent survival of an island population of tsetse flies in Zimbabwe

Modelling Development of Reptile Embryos under Fluctuating Temperature Regimes

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