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Moradinour Z, Wiklund C, Miettinen A, Gérard M, Baird E. Exposure to elevated temperature during development affects eclosion and morphology in the temperate Pieris napi butterfly (Lepidoptera: Pieridae). J Therm Biol 2023; 118:103721. [PMID: 38016229 DOI: 10.1016/j.jtherbio.2023.103721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 09/29/2023] [Accepted: 09/29/2023] [Indexed: 11/30/2023]
Abstract
Global warming has been identified as one of the main drivers of population decline in insect pollinators. One aspect of the insect life cycle that would be particularly sensitive to elevated temperatures is the developmental transition from larva to adult. Temperature-induced modifications to the development of body parts and sensory organs likely have functional consequences for adult behaviour. To date, we have little knowledge about the effect of sub-optimal temperature on the development and functional morphology of different body parts, particularly sensory organs, in ectothermic solitary pollinators such as butterflies. To address this knowledge gap, we exposed the pupae of the butterfly Pieris napi to either 23 °C or 32 °C and measured the subsequent effects on eclosion, body size and the development of the wings, proboscis, eyes and antennae. In comparison to individuals that developed at 23 °C, we found that exposure to 32 °C during the pupal stage increased mortality and decreased time to eclose. Furthermore, both female and male butterflies that developed at 32 °C were smaller and had shorter proboscides, while males had shorter antennae. In contrast, we found no significant effect of rearing temperature on wing and eye size or wing deformity. Our findings suggest that increasing global temperatures and its corresponding co-stressors, such as humidity, will impact the survival of butterflies by impairing eclosion and the proper development of body and sensory organs.
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Affiliation(s)
| | | | - Arttu Miettinen
- Institute for Biomedical Engineering, University and ETH Zurich, 8092, Zurich, Switzerland; Swiss Light Source, Paul Scherrer Institute, 5234, Villigen, Switzerland; Department of Physics, University of Jyvaskyla, 40014, Jyvaskyla, Finland
| | - Maxence Gérard
- Department of Zoology, Stockholm University, Stockholm, Sweden
| | - Emily Baird
- Department of Zoology, Stockholm University, Stockholm, Sweden
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Teder T, Taits K, Kaasik A, Tammaru T. Limited sex differences in plastic responses suggest evolutionary conservatism of thermal reaction norms: A meta-analysis in insects. Evol Lett 2022; 6:394-411. [PMID: 36579171 PMCID: PMC9783480 DOI: 10.1002/evl3.299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 09/09/2022] [Accepted: 10/05/2022] [Indexed: 11/05/2022] Open
Abstract
Temperature has a profound effect on the growth and development of ectothermic animals. However, the extent to which ecologically driven selection pressures can adjust thermal plastic responses in growth schedules is not well understood. Comparing temperature-induced plastic responses between sexes provides a promising but underexploited approach to evaluating the evolvability of thermal reaction norms: males and females share largely the same genes and immature environments but typically experience different ecological selection pressures. We proceed from the idea that substantial sex differences in plastic responses could be interpreted as resulting from sex-specific life-history optimization, whereas similarity among the sexes should rather be seen as evidence of an essential role of physiological constraints. In this study, we performed a meta-analysis of sex-specific thermal responses in insect development times, using data on 161 species with comprehensive phylogenetic and ecological coverage. As a reference for judging the magnitude of sex specificity in thermal plasticity, we compared the magnitude of sex differences in plastic responses to temperature with those in response to diet. We show that sex-specific responses of development times to temperature variation are broadly similar. We also found no strong evidence for sex specificity in thermal responses to depend on the magnitude or direction of sex differences in development time. Sex differences in temperature-induced plastic responses were systematically less pronounced than sex differences in responses induced by variations in larval diet. Our results point to the existence of substantial constraints on the evolvability of thermal reaction norms in insects as the most likely explanation. If confirmed, the low evolvability of thermal response is an essential aspect to consider in predicting evolutionary responses to climate warming.
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Affiliation(s)
- Tiit Teder
- Department of Zoology, Institute of Ecology and Earth SciencesUniversity of TartuTartuEE‐50409Estonia
- Department of Ecology, Faculty of Environmental SciencesCzech University of Life Sciences PraguePrague165 21Czech Republic
| | - Kristiina Taits
- Department of Zoology, Institute of Ecology and Earth SciencesUniversity of TartuTartuEE‐50409Estonia
| | - Ants Kaasik
- Department of Zoology, Institute of Ecology and Earth SciencesUniversity of TartuTartuEE‐50409Estonia
| | - Toomas Tammaru
- Department of Zoology, Institute of Ecology and Earth SciencesUniversity of TartuTartuEE‐50409Estonia
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Wu P, Head ML, Liu C, Haseeb M, Zhang R. The high invasion success of fall armyworm is related to life-history strategies across a range of stressful temperatures. PEST MANAGEMENT SCIENCE 2022; 78:2398-2404. [PMID: 35277917 DOI: 10.1002/ps.6867] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/03/2022] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Insects living in unfavorably high or low temperatures are predicted to display a fast or slow life-history strategy. Here, we examined life histories of fall armyworm (FAW), a globally important invasive species with a broad ecological niche, at five constant temperatures of 13, 19, 25, 31 and 37°C, to study life-history responses to different temperatures. RESULTS In our experiment, FAW had lower lifetime fecundity at unfavorable temperatures, a finding that is consistent with the idea that FAW can shift resources from reproduction to other functions under stressful conditions-such as heat or cold tolerance. Given the adverse effects of stressful temperatures, life-history strategies arise from individuals having limited remaining resources to allocate towards vital functions like survival or reproduction. Here we show plasticity in life-history strategies adopted at different temperatures. Rather than simply varying along a fast-slow continuum, FAW at unfavorably high temperatures exhibited lower daily fecundity and longer reproductive lifespans, and at unfavorably low temperatures showed a shorter peak in reproduction later in life, compared with FAW at 25°C. Such patterns, if adaptive, could suggest a strategy mitigating reproductive and mortality risk in unfavorable environments, however, this remains to be tested. CONCLUSION Our analysis suggests that the high invasion success of FAW may result from their ability to adjust life-history strategies, across a range of stressful temperatures, in a way that reduces not only mortality, but also fecundity loss. The adoption of such strategies may be instrumental for the global invasion success of FAW. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Pengxiang Wu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Megan L Head
- Division of Ecology and Evolution, Australian National University, Canberra, Australia
| | - Chang Liu
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
| | - Muhammad Haseeb
- Center for Biological Control, Florida A&M University, Tallahassee, FL, USA
| | - Runzhi Zhang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
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Morimoto J, Than AT, Nguyen B, Lundbäck I, Dinh H, Ponton F. Density-by-diet interactions during larval development shape adult life-history trait expression and fitness in a polyphagous fly. Am Nat 2022; 199:E170-E185. [DOI: 10.1086/718910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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5
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Montejo-Kovacevich G, Martin SH, Meier JI, Bacquet CN, Monllor M, Jiggins CD, Nadeau NJ. Microclimate buffering and thermal tolerance across elevations in a tropical butterfly. J Exp Biol 2020; 223:jeb220426. [PMID: 32165433 PMCID: PMC7174841 DOI: 10.1242/jeb.220426] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/02/2020] [Indexed: 12/14/2022]
Abstract
Microclimatic variability in tropical forests plays a key role in shaping species distributions and their ability to cope with environmental change, especially for ectotherms. Nonetheless, currently available climatic datasets lack data from the forest interior and, furthermore, our knowledge of thermal tolerance among tropical ectotherms is limited. We therefore studied natural variation in the microclimate experienced by tropical butterflies in the genus Heliconius across their Andean range in a single year. We found that the forest strongly buffers temperature and humidity in the understorey, especially in the lowlands, where temperatures are more extreme. There were systematic differences between our yearly records and macroclimate databases (WorldClim2), with lower interpolated minimum temperatures and maximum temperatures higher than expected. We then assessed thermal tolerance of 10 Heliconius butterfly species in the wild and found that populations at high elevations had significantly lower heat tolerance than those at lower elevations. However, when we reared populations of the widespread H. erato from high and low elevations in a common-garden environment, the difference in heat tolerance across elevations was reduced, indicating plasticity in this trait. Microclimate buffering is not currently captured in publicly available datasets, but could be crucial for enabling upland shifting of species sensitive to heat such as highland Heliconius Plasticity in thermal tolerance may alleviate the effects of global warming on some widespread ectotherm species, but more research is needed to understand the long-term consequences of plasticity on populations and species.
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Affiliation(s)
| | - Simon H Martin
- Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK
- Institute of Evolutionary Biology, The University of Edinburgh, Edinburgh EH9 3FL, UK
| | - Joana I Meier
- Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK
- St John's College, University of Cambridge, Cambridge CB2 3EJ, UK
| | | | - Monica Monllor
- Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK
| | - Chris D Jiggins
- Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK
| | - Nicola J Nadeau
- Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
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Medina RG, Paxton RJ, De Luna E, Fleites-Ayil FA, Medina Medina LA, Quezada-Euán JJG. Developmental stability, age at onset of foraging and longevity of Africanized honey bees (Apis mellifera L.) under heat stress (Hymenoptera: Apidae). J Therm Biol 2018; 74:214-225. [PMID: 29801630 DOI: 10.1016/j.jtherbio.2018.04.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 03/29/2018] [Accepted: 04/04/2018] [Indexed: 12/17/2022]
Abstract
Beekeeping with the western honey bee (Apis mellifera) is important in tropical regions but scant information is available on the possible consequences of global warming for tropical beekeeping. We evaluated the effect of heat stress on developmental stability, the age at onset of foraging (AOF) and longevity in Africanized honey bees (AHBs) in the Yucatan Peninsula of Mexico, one of the main honey producing areas in the Neotropics, where high temperatures occur in spring and summer. To do so, we reared worker AHB pupae under a fluctuating temperature regime, simulating current tropical heatwaves, with a high temperature peak of 40.0 °C for 1 h daily across six days, and compared them to control pupae reared at stable temperatures of 34.0-35.5 °C. Heat stress did not markedly affect overall body size, though the forewing of heat-stressed bees was slightly shorter than controls. However, bees reared under heat stress showed significantly greater fluctuating asymmetry (FA) in forewing shape. Heat stress also decreased AOF and reduced longevity. Our results show that changes occur in the phenotype and behavior of honey bees under heat stress, with potential consequences for colony fitness.
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Affiliation(s)
- Rubén G Medina
- Departamento de Apicultura, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Apdo. Postal 97100, Mérida, Yucatán, Mexico.
| | - Robert J Paxton
- Institute for Biology, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Efraín De Luna
- Biodiversidad y Sistemática, Instituto de Ecología, A.C. Xalapa, Mexico
| | - Fernando A Fleites-Ayil
- Departamento de Apicultura, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Apdo. Postal 97100, Mérida, Yucatán, Mexico
| | - Luis A Medina Medina
- Departamento de Apicultura, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Apdo. Postal 97100, Mérida, Yucatán, Mexico
| | - José Javier G Quezada-Euán
- Departamento de Apicultura, Campus de Ciencias Biológicas y Agropecuarias, Universidad Autónoma de Yucatán, Apdo. Postal 97100, Mérida, Yucatán, Mexico
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Colder is better: The differential effects of thermal acclimation on life history parameters in a parasitoid fly. J Therm Biol 2017; 68:1-4. [DOI: 10.1016/j.jtherbio.2017.03.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 03/23/2017] [Accepted: 03/23/2017] [Indexed: 11/20/2022]
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8
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Delava E, Fleury F, Gibert P. Effects of daily fluctuating temperatures on the Drosophila-Leptopilina boulardi parasitoid association. J Therm Biol 2016; 60:95-102. [PMID: 27503721 DOI: 10.1016/j.jtherbio.2016.06.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 06/16/2016] [Indexed: 01/06/2023]
Abstract
Koinobiont parasitoid insects, which maintain intimate and long-term relationships with their arthropod hosts, constitute an association of ectothermic organisms that is particularly sensitive to temperature variations. Because temperature shows pronounced natural daily fluctuations, we examined if experiments based on a constant temperature range can mask the real effects of the thermal regime on host-parasitoid interactions. The effects of two fluctuating thermal regimes on several developmental parameters of the Drosophila larval parasitoid Leptopilina boulardi were analyzed in this study. Regime 1 included a range of 16-23-16°C and regime 2 included a range of 16-21-26-21-16°C (mean temperature 20.1°C) compared to a 20.1°C constant temperature. Under an average temperature of 20.1°C, which corresponds to a cold condition of L. boulardi development, we showed that the success of parasitism is significantly higher under a fluctuating temperature regime than at constant temperature. A fluctuating regime also correlated with a reduced development time of the parasitoids. In contrast, the thermal regime did not affect the ability of Drosophila to resist parasitoid infestation. Finally, we demonstrated that daily temperature fluctuation prevented the entry into diapause for this species, which is normally observed at a constant temperature of 21°C. Overall, the results reveal that constant temperature experiments can produce misleading results, highlighting the need to study the thermal biology of organisms under fluctuating regimes that reflect natural conditions as closely as possible. This is particularly a major issue in host-parasitoid associations, which constitute a good model to understand the effect of climate warming on interacting species.
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Affiliation(s)
- Emilie Delava
- Université de Lyon, Université Lyon1, Laboratoire de Biométrie et Biologie Evolutive, UMR CNRS 5558, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France.
| | - Frédéric Fleury
- Université de Lyon, Université Lyon1, Laboratoire de Biométrie et Biologie Evolutive, UMR CNRS 5558, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France.
| | - Patricia Gibert
- Université de Lyon, Université Lyon1, Laboratoire de Biométrie et Biologie Evolutive, UMR CNRS 5558, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France.
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Impact of fluctuating temperatures on development of the koinobiont endoparasitoid Venturia canescens. J Therm Biol 2015; 51:83-8. [PMID: 25965020 DOI: 10.1016/j.jtherbio.2015.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Revised: 03/25/2015] [Accepted: 03/26/2015] [Indexed: 11/20/2022]
Abstract
The effect of temperature on the biology of Venturia canescens (Gravenhorst) (Hymenoptera: Ichneumonidae) is well understood under constant temperature conditions, but less so under more natural, fluctuating conditions. Herein we studied the influence of fluctuating temperatures on biological parameters of V. canescens. Parasitized fifth-instar larvae of Ephestia kuehniella Zeller (Lepidoptera: Pyralidae) were reared individually in incubators at six fluctuating temperature regimes (15-19.5°C with a mean of 17.6°C, 17.5-22.5°C with a mean of 19.8°C, 20-30°C with a mean of 22.7°C, 22.5-27.5°C with a mean of 25°C, 25.5-32.5°C with a mean of 28.3°C and 28.5-33°C with a mean of 30°C) until emergence and death of V. canescens adults. Developmental time from parasitism to adult eclosion, adult longevity and survival were recorded at each fluctuating temperature regime. In principle, developmental time decreased with an increase of the mean temperature of the fluctuating temperature regime. Upper and lower threshold temperatures for total development were estimated at 34.9 and 6.7°C, respectively. Optimum temperature for development and thermal constant were 28.6°C and 526.3 degree days, respectively. Adult longevity was also affected by fluctuating temperature, as it was significantly reduced at the highest mean temperature (7.0 days at 30°C) compared to the lowest one (29.4 days at 17.6°C). Survival was low at all tested fluctuating temperatures, apart from mean fluctuating temperature of 25°C (37%). Understanding the thermal biology of V. canescens under more natural conditions is of critical importance in applied contexts. Thus, predictions of biological responses to fluctuating temperatures may be used in population forecasting models which potentially influence decision-making in IPM programs.
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Knapp M, Nedvěd O. Gender and timing during ontogeny matter: effects of a temporary high temperature on survival, body size and colouration in Harmonia axyridis. PLoS One 2013; 8:e74984. [PMID: 24086415 PMCID: PMC3783448 DOI: 10.1371/journal.pone.0074984] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Accepted: 08/06/2013] [Indexed: 11/19/2022] Open
Abstract
The ambient temperature experienced during development is a crucial factor affecting survival and adult phenotype in ectotherms. Moreover, the exact response of individuals to different temperature regimes is frequently sex-specific. This sex-specific response can result in varying levels of sexual dimorphism according to the experienced conditions. The majority of studies have investigated the effects of temperature on individuals reared under a constant temperature regime throughout their whole preimaginal development, whereas information on stage-dependent variation in temperature effects is scarce. Here we investigate how the stage at which elevated temperature is experienced influences survival, adult body size and colouration in the harlequin ladybird Harmonia axyridis form succinea. The effects of timing of exposure to elevated temperature on the adult phenotype are assessed separately for males and females. Control individuals were reared at a constant temperature of 20 °C. Beetles in other treatments were additionally exposed to 33 °C for 48 hours during the following developmental stages: egg, 1(st) to 2(nd) larval instar, 3(rd) larval instar, 4(th) larval instar and pupa. Exposure to an elevated temperature during the early developmental stages resulted in lower survival, but the adult phenotype of survivors was almost unaffected. Exposure to an elevated temperature during the later developmental stages (4(th) larval instar or pupa) resulted in the decreased melanisation of elytra, decreased structural body size and increased dry mass. Furthermore, the timing of high temperature exposure affected the degree of sexual dimorphism in elytral melanisation and dry mass. We demonstrate that the effects of elevated temperature can vary according to the developmental stage at exposure. Detailed information on how ambient temperature affects the developmental biology of ectotherms is crucial for modeling population growth and predicting the spread of invasive species such as Harmonia axyridis.
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Affiliation(s)
- Michal Knapp
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Oldřich Nedvěd
- Department of Zoology, Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic
- Department of Biochemistry and Physiology, Institute of Entomology, Biology Centre AS CR, České Budějovice, Czech Republic
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Potter KA, Davidowitz G, Arthur Woods H. Cross-stage consequences of egg temperature in the insect Manduca sexta. Funct Ecol 2010. [DOI: 10.1111/j.1365-2435.2010.01807.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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COOPER BS, CZARNOLESKI M, ANGILLETTA MJ. Acclimation of thermal physiology in natural populations of Drosophila melanogaster : a test of an optimality model. J Evol Biol 2010; 23:2346-55. [DOI: 10.1111/j.1420-9101.2010.02095.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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14
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Direct and correlated responses to artificial selection for high and low knockdown resistance to high temperature in Drosophila buzzatii. J Therm Biol 2010. [DOI: 10.1016/j.jtherbio.2010.05.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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15
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Warner DA, Jorgensen CF, Janzen FJ. Maternal and abiotic effects on egg mortality and hatchling size of turtles: temporal variation in selection over seven years. Funct Ecol 2010. [DOI: 10.1111/j.1365-2435.2010.01714.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Bauerfeind SS, Perlick JE, Fischer K. Disentangling environmental effects on adult life span in a butterfly across the metamorphic boundary. Exp Gerontol 2009; 44:805-11. [DOI: 10.1016/j.exger.2009.10.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2009] [Revised: 09/24/2009] [Accepted: 10/08/2009] [Indexed: 10/20/2022]
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