Body temperature regulation is associated with climatic and geographical variables but not wing pigmentation in two rubyspot damselflies (Odonata: Calopterygidae)

Rivas, Miguel; Martínez‐Meyer, Enrique; Muñoz, Jesús; Córdoba‐Aguilar, Alex

doi:10.1111/phen.12137

Cited by 13 publications

(10 citation statements)

References 44 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Similarly, it is expected that insect species with widespread geographic distributions have evolved higher levels of plasticity in thermal tolerance than those with more restricted distributions (Calosi et al ., ; Rivas et al ., ). However, when comparing Drosophila species with widespread and restricted distributions in the tropics, there are no observed differences in phenotypic plasticity for thermal tolerance (Overgaard et al ., ).…”

Section: Coping With High Temperatures: Plastic and Evolutionary Respmentioning

confidence: 97%

Insect responses to heat: physiological mechanisms, evolution and ecological implications in a warming world

et al. 2020

View full text Add to dashboard Cite

Surviving changing climate conditions is particularly difficult for organisms such as insects that depend on environmental temperature to regulate their physiological functions. Insects are extremely threatened by global warming, since many do not have enough physiological tolerance even to survive continuous exposure to the current maximum temperatures experienced in their habitats. Here, we review literature on the physiological mechanisms that regulate responses to heat and provide heat tolerance in insects: (i) neuronal mechanisms to detect and respond to heat; (ii) metabolic responses to heat; (iii) thermoregulation; (iv) stress responses to tolerate heat; and (v) hormones that coordinate developmental and behavioural responses at warm temperatures. Our review shows that, apart from the stress response mediated by heat shock proteins, the physiological mechanisms of heat tolerance in insects remain poorly studied. Based on life-history theory, we discuss the costs of heat tolerance and the potential evolutionary mechanisms driving insect adaptations to high temperatures. Some insects may deal with ongoing global warming by the joint action of phenotypic plasticity and genetic adaptation. Plastic responses are limited and may not be by themselves enough to withstand ongoing warming trends. Although the evidence is still scarce and deserves further research in different insect taxa, genetic adaptation to high temperatures may result from rapid evolution. Finally, we emphasize the importance of incorporating physiological information for modelling species distributions and ecological interactions under global warming scenarios. This review identifies several open questions to improve our understanding of how insects respond physiologically to heat and the evolutionary and ecological consequences of those responses. Further lines of research are suggested at the species, order and class levels, with experimental and analytical approaches such as artificial selection, quantitative genetics and comparative analyses.

show abstract

Section: Coping With High Temperatures: Plastic and Evolutionary Respmentioning

confidence: 97%

Insect responses to heat: physiological mechanisms, evolution and ecological implications in a warming world

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Hetaerina americana (F.) is a damselfly common in dry regions of the United States and Mexico (Rivas et al 2016). Larvae inhabit riverine areas where they complete development in 3–5 mo (A.C.-A., unpublished data).…”

mentioning

confidence: 99%

“…Adults utilize most of their time feeding and building up the physiological traits (e.g., muscle mass and fat) necessary to engage in reproductive activities (i.e., egg production for females and territory ownership for males; Córdoba-Aguilar and González-Tokman 2014). Such a wide distribution may be interpreted as a fairly high ecological tolerance by this species (Rivas et al 2016). As had been detected in other animals (Lubertazzi and Ginsberg 2010), this wide species-level distribution may mask population vulnerability at the local level and during the breeding season.…”

mentioning

confidence: 99%

Damselfly (Odonata: Calopterygidae) Population Decline in an Urbanizing Watershed

Córdoba‐Aguilar

Rocha‐Ortega

2019

Journal of Insect Science

Self Cite

View full text Add to dashboard Cite

Reduction of terrestrial vegetation and degradation of water quality are among the factors driving insect population decline in growing cities. In this study, we investigated the extent of habitat deterioration, behavioral and physiological responses, and fitness of a damselfly [Hetaerina americana (F.)] population in a semitropical region in central Mexico. The study population was located in a riverine area that crosses a small urban area (Tehuixtla city). We related two habitat variables (tree/shrub covered area and numbers of wastewater outlets) to presumable damselfly responses (larval and adult abundance, duration of adults exposed directly to sunlight, lipid content and muscle mass, and egg survival) over the years 2002 and 2016. We detected a reduction in terrestrial vegetation cover, an increase in wastewater outlets, and a decrease in larval and adult abundance. Adults were more exposed to sunlight in 2016 than in 2002 and showed a reduced lipid content and muscle mass in 2016. Egg survival also decreased. Although correlative, these results suggest impairment of damselfly condition (via lipid and muscle reduction) and fitness as urbanization increases.

show abstract

“…Melanization expression could also be modulated by thermoregulation (Svensson & Waller, ). However, this occurs especially in damselfly species of temperate regions with cooler climates (Outomuro & Ocharan, ); this is not the case for the population in the present study, which is located in a rainforest tropical region (for a similar case in other semi‐tropical Hetaerina and a rejection of the thermoregulation hypothesis for pigmentation, see Rivas et al ., ).…”

Section: Discussionmentioning

confidence: 97%

Physiological condition and wing pigmentation expression in a damselfly with seasonal polyphenism

2017

Self Cite

View full text Add to dashboard Cite

Secondary sexual traits can be indicators of individual condition that may present seasonal polyphenism as a result of the differential costs of expression along the season. Wing spots in male damselflies of the Calopterygidae family are secondary sexual traits associated with intrasexual competition and mate choice. Hetaerina titia Drury is a calopterygid damselfly where males show red and black wing spots, contrasting with other species of the genus whose males only express a red wing spot. In the present study, we evaluate the seasonal variation of the expression of male's red and black wing spots and their allometric patterns. Additionally, we measure male condition in the form of proteins, lipids, soluble carbohydrates and glycogen in early and late seasons. Black wing spots present higher variation than red wing spots and males of the late season are more pigmented. Allometry is positive for wing red spot in the early season and for black spot in the late season. Males of the late season present a higher concentration of proteins, soluble carbohydrates and glycogen, although there is no variation in the lipid content. The results of the present study suggest that, in H. titia males, black pigmentation replaces the function of the red pigmentation to signal condition. Both traits, however, may be heavily affected by environmental situations (e.g. food availability).

show abstract

Body temperature regulation is associated with climatic and geographical variables but not wing pigmentation in two rubyspot damselflies (Odonata: Calopterygidae)

Cited by 13 publications

References 44 publications

Insect responses to heat: physiological mechanisms, evolution and ecological implications in a warming world

Insect responses to heat: physiological mechanisms, evolution and ecological implications in a warming world

Damselfly (Odonata: Calopterygidae) Population Decline in an Urbanizing Watershed

Physiological condition and wing pigmentation expression in a damselfly with seasonal polyphenism

Contact Info

Product

Resources

About