Insect thermal limits in warm and perturbed habitats: Dragonflies and damselflies as study cases

Castillo-Pérez, E. Ulises; Suárez-Tovar, Catalina M.; González‐Tokman, Daniel; Schondube, Jorge E.; Córdoba‐Aguilar, Alex

doi:10.1016/j.jtherbio.2021.103164

Cited by 17 publications

(15 citation statements)

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“…In contrast to the phylogeny, the relationships between species traits and ranges shifts were complex, largely depending on the traits, response variables, and the global circulation models under consideration. This variability somehow agrees with the contrasting responses predicted across species and populations in previous studies 23 . Body size and flight period explained the changes in the range shift across the entire Odonata but not consistently across all climatic scenarios, neither when only the species in the suborder Zygoptera or Anisoptera were analysed.…”

Section: The Challenge Of Predicting Collective Responses From Indivi...supporting

confidence: 92%

“…In our case, the current climate change imposes a very quick migration for most species, which seems to respond with independence to the phylogeny. This seems to be congruent with Castillo-Pérez et al 23 , who documented a differential response of odonates to temperature with strong variations at species and population levels in changing environments.…”

Section: The Challenge Of Predicting Collective Responses From Indivi...supporting

confidence: 91%

“…Third, we used the predicted range shift to assess whether the response to climate change of Odonata (including both the sub orders Anisoptera and Zygoptera) is driven mainly by the evolutionary history or by distinctive biological and ecological traits. We chose dragonflies and damselflies because they are well-established model organisms to address general macroecological questions in global change biology 20,21 and thermal physiology 22,23 , being even regarded as "barometers" for climate change 20 . Furthermore, odonates play a key ecological role in most food webs since they are both predators and prey, delivering important ecological services 24 .…”

Section: Introductionmentioning

confidence: 99%

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Climate change will redefine taxonomic, functional, and phylogenetic diversity of Odonata in space and time

et al. 2022

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Climate change is rearranging the mosaic of biodiversity worldwide. These broad-scale species re-distributions affect the structure and composition of communities with a ripple effect on multiple biodiversity facets. Using European Odonata, we asked: i) how climate change will redefine taxonomic, phylogenetic, and functional diversity at European scales; ii) which traits will mediate species’ response to global change; iii) whether this response will be phylogenetically conserved. Using stacked species distribution models, we forecast widespread latitudinal and altitudinal rearrangements in Odonata community composition determining broad turnovers in traits and evolutionary lineages. According to our phylogenetic regression models, only body size and flight period can be partly correlated with observed range shifts. In considering all primary facets of biodiversity, our results support the design of inclusive conservation strategies able to account for the diversity of species, the ecosystem services they provide, and the phylogenetic heritage they carry in a target ecosystem.

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Section: The Challenge Of Predicting Collective Responses From Indivi...supporting

confidence: 92%

Section: The Challenge Of Predicting Collective Responses From Indivi...supporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

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Climate change will redefine taxonomic, functional, and phylogenetic diversity of Odonata in space and time

et al. 2022

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“…This combination of behavioural and physiological thermoregulation allows dragonflies to lose heat by convection, and efficiently control their body temperatures (Heinrich & Casey, 1978;Marden et al, 1996;May, 1976May, , 1995. In contrast, damselflies are thermoconformers (Castillo-Pérez et al, 2022). Probably, these physiological and behavioural adaptations allow dragonflies to have larger bodies than damselflies in hotter habitats.…”

Section: Discussionmentioning

confidence: 99%

“…Also, because metabolic rates increase exponentially with temperature and body size (Angilletta, 2009;Atkinson, 1994), we expect that small species will tolerate higher temperatures than larger species when present at similar environments. Finally, since odonates in the suborder Anisoptera (dragonflies) are known to regulate body temperatures by controlling haemolymph circulation and body position (Heinrich & Casey, 1978;Marden et al, 1996;May, 1976) and odonates in the suborder Zygoptera (damselflies) are considered thermoconformers (Castillo-Pérez et al, 2022;May, 1976), our final prediction is that dragonflies can tolerate higher temperatures than damselflies.…”

Section: Introductionmentioning

confidence: 99%

Environment, taxonomy and morphology constrain insect thermal physiology along tropical mountains

2022

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1. Tropical mountains display limited variation in monthly temperatures, but high spatial climatic variability. It is assumed this stability promotes ecological and physiological adaptations to local temperatures, which may preclude dispersal up or downslope. Determining how environmental, taxonomic and morphological factors affect thermal limits is fundamental to understand biotic responses to global warming. 2. We selected 54 species of dragonflies and damselflies (Order Odonata) distributed from 300 to 2,550 m along one of the most biodiverse regions on the planet, the Tatamá elevational gradient in the Andean-Choco region transition.We estimated for 846 individuals three thermal tolerance parameters: CT max , the highest temperature preceding the loss of motor control, T vol , the temperature at which individuals avoid heat, and CT min , the minimum temperature required for wing movement.3. For each thermal tolerance parameter, we evaluated associations between physiological and behavioural responses, species elevational distribution and specialization to forests or open areas. We also evaluated the effect of autecological characteristics such as body mass, sex and taxonomy on temperature regulation. 4. Temperatures prevalent at different elevations and habitats are associated with odonate upper thermal limits. However, tolerance to low temperatures is not associated with habitat use or elevation. Forest species display lower thermal tolerances. Small species are more tolerant to high temperatures than larger species.Dragonflies are more tolerant to high temperatures than damselflies with similar body mass. Females are more tolerant to high temperatures than males. 5. Our results highlight the importance of considering differences in morphology, life history and behaviour when comparing thermal tolerances of organisms along elevational gradients. Only by incorporating such factors, it would be possible to generate accurate predictions on the impact of climate change on tropical organisms.

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Amazonian Odonata Trait Bank

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et al. 2023

Ecology and Evolution

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Discussion regarding the gaps of knowledge on Odonata is common in the literature.Such gaps are even greater when dealing with basic biological data for biodiverse environments like the Amazon Rainforest. Therefore, studies that address, classify, and standardize functional traits allow the elaboration of a wide range of ecological and evolutionary hypotheses. Moreover, such endeavors aid conservation and management planning by providing a better understanding of which functional traits are filtered or favored under environmental changes. Here, our main goal was to produce a database with 68 functional traits of 218 Odonata species that occur in the Brazilian Amazon. We extracted data on behavior, habit/habitat (larvae and adults), thermoregulation, and geographic distribution from 419 literature sources classified into different research areas. Moreover, we measured 22 morphological traits of approximately 2500 adults and categorized species distributions based on approximately 40,000 geographic records for the Americas. As a result, we provided a functional matrix and identified different functional patterns for the Odonata suborders, as well as a strong relationship between the different trait categories. For this reason, we recommend the selection of key traits that represent a set of functional variables, reducing the sampling effort. In conclusion, we detect and discuss gaps in the literature and suggest research to be developed with the present Amazonian Odonata Trait Bank

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Insect thermal limits in warm and perturbed habitats: Dragonflies and damselflies as study cases

Cited by 17 publications

References 70 publications

Climate change will redefine taxonomic, functional, and phylogenetic diversity of Odonata in space and time

Climate change will redefine taxonomic, functional, and phylogenetic diversity of Odonata in space and time

Environment, taxonomy and morphology constrain insect thermal physiology along tropical mountains

Amazonian Odonata Trait Bank

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