Seasonal Adaptations of Insects

Taylor, L. R.; Tauber, Maurice J.; Tauber, Catherine A.; Shimizu, Masaki

doi:10.2307/4831

Cited by 71 publications

(109 citation statements)

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“…It has been reported that when parasitoids are stored under optimum temperature, for example, between 0° and 7°C (e.g. Hofsvang & Hågvar 1977;Singh and Srivastava 1988;Colinet et al 2006), insects may enter a quiescent state where their metabolic activities are decelerated in response to the adverse environmental conditions (Tauber et al 1986;Lins 2013). However, when removed from storage they develop and behave normally (Leopold 1998).…”

Section: Discussionmentioning

confidence: 99%

“…It is well known that diapause-terminated individuals are most likely to experience cold temperature of various durations during early spring (aseasonal short-term events that can not be predicted) which may influence their development, survival and reproduction, but receiving less attention (see Tauber et al 1986). Only a few studies follow the reproductive fitness of resultant females after insects have passed several live stages under the cold conditions (e.g., Jones & Kunz 1998;Chen et al 2008Chen et al , 2011Mockett & Matsumoto 2014).…”

Section: Discussionmentioning

confidence: 99%

“…Third, compared to that tested in this study, eggs laid by the overwintering adults will survive better and can survive at least for four days or longer when temperature is ≈ 5 °C in spring, as eggs matured in mother's ovaries have experienced and thus adopted to the adverse environmental conditions. Prolonged chilling required for terminating winter diapause is often reported (i.e., Tauber & Tauber 1976;Tauber et al 1986;Xiao et al 2013). To our best knowledge, chilling is more frequently reported to arrest rather than accelerate the development of immature stages, and most studies are relevant to mass production, storage, shipment and release of natural enemies in biological control programs (van Lenteren & Tommasini 2003;Lins 2013;Ismail et al 2014).…”

Section: Discussionmentioning

confidence: 99%

“…Studies of low temperature affecting the development, survival and reproduction of arthropod species usually focus on the mechanisms of diapause induction and termination (seasonal long-term cycles, which can be predicted) (Tauber & Tauber 1976;Tauber et al 1986). It is well known that diapause-terminated individuals are most likely to experience cold temperature of various durations during early spring (aseasonal short-term events that can not be predicted) which may influence their development, survival and reproduction, but receiving less attention (see Tauber et al 1986).…”

Section: Discussionmentioning

confidence: 99%

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Prolonged coldness on eggs reduces immature survival and reproductive fitness in Tetranychus urticae (Acari: Tetranychidae)

Jiao

et al. 2016

saa

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Tetranychus urticae Koch (Arachnida: Acari: Tetranychidae) is an economically important agricultural and horticultural pest around the world. The present study investigated the prolonged exposure of eggs (i.e., 0, 24, 48, 72, and 96 hours) to low temperature (i.e., 5 ºC) affecting the egg hatching, and subsequent immature development and survival as well as the reproductive fitness of resultant females. Our results show that chilling had no significant effect on egg hatching rate, but significantly shortened egg development. It was found that prolonged chilling significantly decreased the survival of immature stages. Prolonged chilling also significantly delayed the development of males and thus adult emergence, but had not significantly effect on female development and survival. Results further indicate that the negative effect of lengthy chilling extended to the resultant females resulting in the significantly shorter longevity and lower fecundity. It is interesting that the resultant females might benefit from parental egg chilling, i.e., they started oviposition significantly early and produced significantly higher female-biased sex ratio. The implications from the results of this study in forecasting spring populations and outbreak of this pest in the growing season were discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Prolonged coldness on eggs reduces immature survival and reproductive fitness in Tetranychus urticae (Acari: Tetranychidae)

Jiao

et al. 2016

saa

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“…Studies have shown that diapause is a developmental arrest that is induced by photoperiod and temperature signals before the unfavorable environmental arrival ( Tauber et al, 1986 ). Insects enter diapause to avoid adverse environments and ensure population continuity ( Denlinger 2002 ).…”

Section: Introductionmentioning

confidence: 99%

Juvenile Hormone Is an Important Factor in Regulating Aspongopus chinensis Dallas Diapause

Zhou

Yin

et al. 2022

Front. Physiol.

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Aspongopuschinensis is a Chinese traditional edible and medicinal insect, which is in great demand in the society. This insect reproduces once a year which is caused by reproductive diapause resulting in insufficient production in wild resources. However, the mechanism of diapause in A. chinensis is still unclear. In this study, we focus on the relationship between juvenile hormones (JHs) and A. chinensis diapause. The results showed that JHIII concentration in diapause adult individuals was significantly lower than that in diapause termination adult individuals. When exogenous JHⅢ was injected into diapause adults, the rate of mating was increased significantly, development of the reproductive systems was accelerated, consumption of fat intensified, the expression of juvenile hormone acid o-methyl-transferase (JHAMT) was upregulated, and juvenile hormone epoxide hydrolase (JHEH) and fatty acid synthase (FAS) gene expressions were downregulated. In addition, RNAi of JHAMT decreased JH concentration, delayed the development of reproductive systems, slowed down fat consumption, and delayed the mean mating occurrence time significantly. Conversely, RNAi of JHEH resulted in an increased concentration of JH, development of reproductive systems was accelerated, consumption of fat was intensified, and mean mating occurrence time advanced significantly. Taken together, these findings uncovered that JH plays an important role in regulating reproductive diapause in A. chinensis and, thus, could provide a theoretical basis for further research on the diapause of A. chinensis.

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Combining photoperiod and thermal responses to predict phenological mismatch for introduced insects

Grevstad

Wepprich

Barker

et al. 2022

Ecological Applications

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A wide variety of organisms use the regular seasonal changes in photoperiod as a cue to align their life cycles with favorable conditions. Yet the phenological consequences of photoperiodism for organisms exposed to new climates are often overlooked. We present a conceptual approach and phenology model that maps voltinism (generations per year) and the degree of phenological mismatch that can arise when organisms with a short-day diapause response are introduced to new regions or are otherwise exposed to new climates. Our degree-day-based model combines continent-wide spatialized daily climate data, calculated date-specific and latitude-specific day lengths, and experimentally determined developmental responses to both photoperiod and temperature. Using the case of the knotweed psyllid Aphalara itadori, a new biological

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Seasonal Adaptations of Insects

Cited by 71 publications

References 0 publications

Prolonged coldness on eggs reduces immature survival and reproductive fitness in Tetranychus urticae (Acari: Tetranychidae)

Prolonged coldness on eggs reduces immature survival and reproductive fitness in Tetranychus urticae (Acari: Tetranychidae)

Juvenile Hormone Is an Important Factor in Regulating Aspongopus chinensis Dallas Diapause

Combining photoperiod and thermal responses to predict phenological mismatch for introduced insects

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