Combined effects of overwintering temperature and habitat degradation on the survival of boreal wood ant

Sorvari, Jouni; Haatanen, Marja-Katariina; Vesterlund, Salla-Riikka

doi:10.1007/s10841-010-9372-5

Cited by 44 publications

(52 citation statements)

References 31 publications

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“…For example, the overwintering survival and body fat resources of the forest-dwelling wood ant Formica aquilonia are lower when the temperature during winter is higher (Sorvari et al, 2011). Overwintering above ground could be because of limited numbers of suitable nesting sites, but its real costs have not previously been studied.…”

Section: Discussionmentioning

confidence: 99%

Cost to the cavity-nest ant Temnothorax crassispinus (Hymenoptera: Formicidae) of overwintering aboveground

Mitrus¹

2013

Eur. J. Entomol.

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Abstract. Most species of ants inhabiting the temperate zone overwinter underground, whereas those of the genus Temnothorax remain in nests aboveground. I studied the cost of aboveground overwintering. Workers of Temnothorax crassispinus survived in higher numbers (median = 88%) in artificial nests experimentally buried at a depth of 5 cm than those in nests on the surface (48%) of the soil. The results support the hypothesis that overwintering aboveground could be a consequence of a limited supply of nests and/or the advantage of being able to respond quickly to warm temperatures in spring.

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Section: Discussionmentioning

confidence: 99%

Cost to the cavity-nest ant Temnothorax crassispinus (Hymenoptera: Formicidae) of overwintering aboveground

Mitrus¹

2013

Eur. J. Entomol.

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“…Warmer temperatures during winter could increase the chances of survival of overwintering invertebrates (e.g., Bale & Hayward, 2010;Bradshaw & Holzapfel, 2010;Templer et al, 2012, but see also e.g., Sorvari et al, 2011, Haatanen et al, 2015. However, climate change will probably not only affect temperature during winter, but is also likely to result in a reduction in the depth and duration of snow cover (Christensen et al, 2013;Convey …”

Section: Introductionmentioning

confidence: 99%

Size-related mortality during overwintering in cavity-nesting ant colonies (Hymenoptera: Formicidae)

Mitrus¹

2016

Eur. J. Entomol.

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“…However, in creased winter temperatures can also decrease fitness of dormant ectotherms. Increased pre-or over-wintering temperatures lead to higher rates of re source consumption and a concurrent depletion of stored reserves, which negatively impact survival and fecundity as reduced resources are available for reproduction in the spring (Bosch & Kemp 2003, Irwin & Lee 2003, Williams et al 2003, Sorvari et al 2011, Mercader & Scriber 2008, Koštál et al 2011.…”

Section: Introductionmentioning

confidence: 99%

Lepidopteran species differ in susceptibility to winter warming

Williams¹,

Hellmann²,

Sinclair³

2012

Clim. Res.

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ABSTRACT:Predicting assemblage-level impacts of climate change requires knowledge of among-species variation in susceptibility to warming. Increased winter temperatures intuitively reduce cold stress for overwintering ectotherms, but can decrease fitness by increasing consumption of energy reserves. We kept overwintering stages of the butterflies Papilio glaucus, P. troilus (Papilionidae), and Erynnis propertius (Hesperiidae) under current temperatures and conditions simulating a 4°C increase in mean temperature, and compared mass, water, energy reserves (lipid, protein and carbohydrate content), and, in E. propertius and P. troilus, post-winter development time, adult size, and mortality. All 3 species lost mass over winter, more so during warm winters. Erynnis propertius lost more mass than either Papilio. Warm winters increased energy reserve depletion in E. propertius, but had no effect on energy reserves of either Papilio. Warming reduced development time, but did not affect mortality or adult size of P. troilus. Mortality in E. propertius was uniformly high preventing assessment of treatment effects on survival, development, or adult size. The observed overwinter mass loss by E. propertius and P. troilus was predominantly due to water loss; thus we conclude that mass loss is not an appropriate measurement of energy drain in insects, rather body composition should be measured directly. Thus, P. glaucus and P. troilus have low vulnerability to winter warming, while E. propertius shows some vulnerability. Measuring the impact of winter warming on many species will enable the identification of species traits that predict vulnerability, and facilitate identification of clades particularly susceptible to winter warming.

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Combined effects of overwintering temperature and habitat degradation on the survival of boreal wood ant

Cited by 44 publications

References 31 publications

Cost to the cavity-nest ant Temnothorax crassispinus (Hymenoptera: Formicidae) of overwintering aboveground

Cost to the cavity-nest ant Temnothorax crassispinus (Hymenoptera: Formicidae) of overwintering aboveground

Size-related mortality during overwintering in cavity-nesting ant colonies (Hymenoptera: Formicidae)

Lepidopteran species differ in susceptibility to winter warming

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