Influence of altitude, habitat and microhabitat on thermal adaptation of cicadas from Southwest Texas (Hemiptera: Cicadidae)

Sanborn, Allen; Phillips, Polly K.; Heath, James E.; Heath, Maxine S.

doi:10.1016/j.jtherbio.2011.07.001

Cited by 9 publications

(7 citation statements)

References 22 publications

(28 reference statements)

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“…The thermal responses of species inhabiting the remaining habitats are similar to those determined for species in temperate habitats in North America, Africa, Europe and Australia (e.g. [25] , [27] , [32] , [33] ). This is not surprising as the influence of habitat on the thermal responses of cicadas has been used as a model to illustrate convergent evolutionary patterns in cicadas from Argentina and the United States [27] as well as within Mediterranean habitats on four continents [32] .…”

Section: Discussionsupporting

confidence: 59%

“…= 59, p<0.001) heat torpor temperature than the similarly sized Derotettix mendosensis Berg (48.62°C) that inhabits desert salt flats [27] . Habitat and elevation have significant influence on the evolution of thermal tolerances [25] – [28] , [32] , [33] and species of the Argentine cicada fauna exhibit many of the same trends.…”

Section: Discussionmentioning

confidence: 99%

“…The thermal responses of cicadas are adaptations to particular environmental conditions (e.g. [26] – [27] , [32] – [33] ) that are independent of phylogeny (e.g. [32] ), collection site or year determined (e.g.…”

Section: Discussionmentioning

confidence: 99%

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Thermal Adaptation and Diversity in Tropical Ecosystems: Evidence from Cicadas (Hemiptera, Cicadidae)

Sanborn

Heath²,

Phillips

et al. 2011

PLoS ONE

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The latitudinal gradient in species diversity is a central problem in ecology. Expeditions covering approximately 16°54′ of longitude and 21°4′ of latitude and eight Argentine phytogeographic regions provided thermal adaptation data for 64 species of cicadas. We test whether species diversity relates to the diversity of thermal environments within a habitat. There are general patterns of the thermal response values decreasing in cooler floristic provinces and decreasing maximum potential temperature within a habitat except in tropical forest ecosystems. Vertical stratification of the plant communities leads to stratification in species using specific layers of the habitat. There is a decrease in thermal tolerances in species from the understory communities in comparison to middle level or canopy fauna. The understory Herrera umbraphila Sanborn & Heath is the first diurnally active cicada identified as a thermoconforming species. The body temperature for activity in H. umbraphila is less than and significantly different from active body temperatures of all other studied species regardless of habitat affiliation. These data suggest that variability in thermal niches within the heterogeneous plant community of the tropical forest environments permits species diversification as species adapt their physiology to function more efficiently at temperatures different from their potential competitors.

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Section: Discussionsupporting

confidence: 59%

Section: Discussionmentioning

confidence: 99%

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Thermal Adaptation and Diversity in Tropical Ecosystems: Evidence from Cicadas (Hemiptera, Cicadidae)

Sanborn

Heath²,

Phillips

et al. 2011

PLoS ONE

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“…As a result, adaptation to individual thermal regimes has led to variation in thermal responses between these species, a pattern that is well-discerned in other cicadas inhabiting tropical habitats 52 . In line with other studies on thermal responses of cicadas, we found HTT depends strongly on the maximum environmental thermal regime 43,44,53 . This positive relationship was observed in H. fuscata, but not in C. atrata, regardless of habitat conditions.…”

Section: Discussionsupporting

confidence: 93%

“…HTT is the upper limit beyond which cicadas sink into a state of torpor. MVT increases as a habitat becomes warmer in some cases, whereas HTT is strictly related to the thermal condition of a habitat 4,[41][42][43][44] . The MFT-to-HTT range indicates the fully active thermal breadth (T b Range) of each species in relation to a certain habitat condition.…”

Section: Methodsmentioning

confidence: 99%

Not all cicadas increase thermal tolerance in response to a temperature gradient in metropolitan Seoul

Nguyen

Serret

Bae

et al. 2020

Sci Rep

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Rapid anthropogenic alterations caused by urbanization are increasing temperatures in urban cores, a phenomenon known as the urban heat island (UHI) effect. Two cicada species, Cryptotympana atrata and Hyalessa fuscata (Hemiptera: cicadidae), are abundant in metropolitan Seoul where their population densities correlate strongly with UHI intensities. Such a positive correlation between cicada density and UHI intensity may be possible if cicada abundance is linked to a certain thermal tolerance. We tested this hypothesis by investigating variation in morphology and thermal responses of two cicada species along a thermal gradient in Seoul and surrounding areas. The morphological responses were measured by metrics such as length, thorax width and depth, and mass. The thermal responses were measured in terms of minimum flight temperature, maximum voluntary temperature and heat torpor temperature. First, we observed a species-specific variation in thermal responses, in which C. atrata displayed a higher thermal threshold for maximum voluntary and heat torpor temperatures than H. fuscata. Second, a positive association between temperature conditions and body sizes were displayed in females H. fuscata, but not in either conspecific males or C. atrata individuals. Third, C. atrata exhibited similar thermal responses regardless of habitat temperature, while H. fuscata in warmer areas showed an increase in heat tolerance. In addition, H. fuscata individuals with bigger thorax sizes were more heat-tolerant than those with smaller thoraxes. Overall, our research is the first to detect a variation in thermal responses and body size of H. fuscata individuals at a local scale. More investigations would be needed to better understand the adaptation mechanisms of insects linked to UHI effects.Temperature is one of the most important abiotic factors affecting daily activities and the life history of cicadas 1-6 . As temperature directly dictates chemical rates and metabolic processes in vivo, a habitat with fluctuating temperatures could drive insects to manage the high energy costs of maintaining body temperature, T b , within a certain range to coordinate reproductive activity 4 . The surrounding conditions may also have an effect on reproductive success and mortality 7-10 . If so, cicadas should select favorable thermal conditions to obtain optimal body temperatures via behavioral-or physiological mechanisms 4,11 .The urban heat island (UHI) effect, in which increased temperatures are associated with urban areas, is a ubiquitous consequence of microclimatic perturbation 12 due to human activities and energy consumption, along with modification of landscapes and urban geometry [13][14][15][16][17] . Elevated temperatures in urban environments are regarded as detrimental as they reduce plant photosynthesis capability 18 and biological diversity 19,20 . Nevertheless, for urban herbivorous insects such as cicadas, such warm habitats may prove advantageous. First, post-morphogenesis development of cicada eggs require a large degree o...

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Thermal adaptation in North American cicadas (Hemiptera: Cicadidae)

Sanborn

Heath

et al. 2017

Journal of Thermal Biology

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Influence of altitude, habitat and microhabitat on thermal adaptation of cicadas from Southwest Texas (Hemiptera: Cicadidae)

Cited by 9 publications

References 22 publications

Thermal Adaptation and Diversity in Tropical Ecosystems: Evidence from Cicadas (Hemiptera, Cicadidae)

Thermal Adaptation and Diversity in Tropical Ecosystems: Evidence from Cicadas (Hemiptera, Cicadidae)

Not all cicadas increase thermal tolerance in response to a temperature gradient in metropolitan Seoul

Thermal adaptation in North American cicadas (Hemiptera: Cicadidae)

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