Temperature-Dependent Development in Capital-Breeding Lepidoptera

Miller, William E.

doi:10.18473/lepi.v65i4.a3

Cited by 9 publications

(7 citation statements)

References 134 publications

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“…However, this relationship may not be as straightforward as it seems, particularly in Lepidoptera. Tradeoffs between realized fecundity and egg mass for a given female can alter fecundity-maternal mass regression (Miller, 2005). Tradeoffs may differ temporally and spatially, but thus far there is little information in the literature on this subject for D. pini.…”

Section: Discussionmentioning

confidence: 99%

Strong decrease in egg mass on subsequent days of oviposition generates little variation in offspring performance in the pine‐tree lappet moth, Dendrolimus pini

Łukowski

Karolewski

2022

Entomologia Exp Applicata

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The pine‐tree lappet moth, Dendrolimus pini (L.) (Lepidoptera: Lasiocampidae), is a pest whose natural range mostly follows that of its host, Scots pine, Pinus sylvestris L. (Pinaceae). Under natural conditions, we observed differences in larval body size, pointing to different rates of their growth and development. This study aimed to check whether differences in egg mass can differentiate the growth and development rate of D. pini larvae. We assumed that decrease in egg mass on subsequent days of oviposition can have a large impact. Our results indicate that there is an unusually strong fecundity advantage of large female mass in D. pini, but with each day of laying, the mean mass of the eggs decreases. However, offspring phenotype and development in D. pini is not clearly correlated with egg mass. We also confirmed a strong decrease in the number and mass of eggs on subsequent days of oviposition. However, egg mass decline did not correspond with the performance of the offspring in a laboratory rearing because the specimens formed from ‘medium‐mass’ eggs were characterized by the highest fitness. Although we noted a significant impact of the day of oviposition on some offspring's fitness parameters (e.g., development stage duration, pupal mass, adult mass), the variation was not large. The offspring hatched from eggs on the 3rd day of oviposition were characterized by increased values of some parameters (e.g., higher mass, heavier cocoons, faster development). Variation in the development of the larvae could be a strategy to help offspring survive under short‐term unfavorable conditions, and also reduces intra‐species competition which is generally beneficial.

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Section: Discussionmentioning

confidence: 99%

Strong decrease in egg mass on subsequent days of oviposition generates little variation in offspring performance in the pine‐tree lappet moth, Dendrolimus pini

Łukowski

Karolewski

2022

Entomologia Exp Applicata

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“…Nearly all eggs classi ed as partially absorbed eggs were green or cloudy white indicating development had occurred. If Boisduval's blues are pro-ovigenic we would expect that a majority of eggs are developed at the time of eclosion (Hill and Pierce 1989;O'Brien et al 2004;Miller 2005;, and undersized colored eggs at death are more likely to be those that are being reabsorbed than never developed.…”

Section: Methodsmentioning

confidence: 99%

Fecundity without nectar is insufficient for persistence of a blue butterfly

King,

Schultz

2024

Preprint

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Organisms with complex life cycles undergo ecological transitions between life stages, often resulting in stage-specific resource use. The relative contribution of each stage-specific resource to vital rates influences population dynamics and subsequently whether habitats can support viable populations. In Lepidopterans, survival to reproduction requires sufficient resources for immature life stages, but the extent to which resources for adults are critical to population persistence is variable. We studied Boisduval's blue butterflies (Icaricia icarioides), in a greenhouse experiment, to quantify the effect of the adult diet, nectar, on vital rates. Butterflies fed ad libitum produced 3.4 times more eggs, on average, over their lifetime and lived 6 more days relative to those which only had access to water. We used these experimental data to parameterize a population model to test if vital rates with and without nectar result in viable population growth rates. We found that Boisduval’s blue butterfly populations will not persist without nectar resources (λ < 1). In this species, although host plant resources contributed to reproduction and allowed the butterfly to produce ~50 eggs without nectar, these resources consumed as larva did not compensate for adult malnutrition beyond a critical threshold. The relative abundance and quality of each stage-specific resource can therefore determine at what threshold other resource(s) are limiting the population. This study highlights the value of incorporating effects on vital rates across the life cycle to evaluate the effect on populations.

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“…Insects have smaller body size and higher minimum developmental thresholds (or called "lower developmental threshold" (LDT)) than most plants. The LDTs of most insects, mites, and spiders are on average, 10°C (Li and Jackson 1996;Bonato et al 2011;Kiritani 2011;Miller 2011), although aphids have lower LDTs, with a mean level of just 5°C (Bonato et al 2011). However, the LDTs of flowering plants are generally are lower, being near 0°C (e.g., Leopold 1964;Aono 1993;Diekmann 1996).…”

Section: Methodsmentioning

confidence: 99%

The seesaw effect of winter temperature change on the recruitment of cotton bollworms Helicoverpa armigera through mismatched phenology

Reddy

Shi

Hui

et al. 2015

Ecology and Evolution

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Knowing how climate change affects the population dynamics of insect pests is critical for the future of integrated pest management. Rising winter temperatures from global warming can drive increases in outbreaks of some agricultural pests. In contrast, here we propose an alternative hypothesis that both extremely cold and warm winters can mismatch the timing between the eclosion of overwintering pests and the flowering of key host plants. As host plants normally need higher effective cumulative temperatures for flowering than insects need for eclosion, changes in flowering time will be less dramatic than changes in eclosion time, leading to a mismatch of phenology on either side of the optimal winter temperature. We term this the “seesaw effect.” Using a long‐term dataset of the Old World cotton bollworm Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) in northern China, we tested this seesaw hypothesis by running a generalized additive model for the effects of the third generation moth in the preceding year, the winter air temperature, the number of winter days below a critical temperature and cumulative precipitation during winter on the demography of the overwintering moth. Results confirmed the existence of the seesaw effect of winter temperature change on overwintering populations. Pest management should therefore consider the indirect effect of changing crop phenology (whether due to greenhouse cultivation or to climate change) on pest outbreaks. As arthropods from mid‐ and high latitudes are actually living in a cooler thermal environment than their physiological optimum in contrast to species from lower latitudes, the effects of rising winter temperatures on the population dynamics of arthropods in the different latitudinal zones should be considered separately. The seesaw effect makes it more difficult to predict the average long‐term population dynamics of insect pests at high latitudes due to the potential sharp changes in annual growth rates from fluctuating minimum winter temperatures.

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Temperature-Dependent Development in Capital-Breeding Lepidoptera

Abstract: BioOne Complete (complete.BioOne.org) is a full-text database of 200 subscribed and open-access titles in the biological, ecological, and environmental sciences published by nonprofit societies, associations, museums, institutions, and presses.

Cited by 9 publications

References 134 publications

Strong decrease in egg mass on subsequent days of oviposition generates little variation in offspring performance in the pine‐tree lappet moth, Dendrolimus pini

Strong decrease in egg mass on subsequent days of oviposition generates little variation in offspring performance in the pine‐tree lappet moth, Dendrolimus pini

Fecundity without nectar is insufficient for persistence of a blue butterfly

The seesaw effect of winter temperature change on the recruitment of cotton bollworms Helicoverpa armigera through mismatched phenology

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