Regional heterothermy in Megasoma gyas is not related to active heat dissipation by the horns

Danilo Giacometti , Luiz Henrique Lima Silva , Guilherme Gomes , José Eduardo de Carvalho , Alexandre V. Palaoro

Insect Science ›› 2026, Vol. 33 ›› Issue (3) : 1206 -1210.

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Insect Science ›› 2026, Vol. 33 ›› Issue (3) :1206 -1210. DOI: 10.1111/1744-7917.70018
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Regional heterothermy in Megasoma gyas is not related to active heat dissipation by the horns
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Danilo Giacometti, Luiz Henrique Lima Silva, Guilherme Gomes, José Eduardo de Carvalho, Alexandre V. Palaoro. Regional heterothermy in Megasoma gyas is not related to active heat dissipation by the horns. Insect Science, 2026, 33 (3) : 1206-1210 DOI:10.1111/1744-7917.70018

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References

[1]

Bartholomew, G.A. and Heinrich, B. (1978) Endothermy in African dung beetles during flight, ball making, and ball rolling. Journal of Experimental Biology, 73, 65–83.

[2]

Casey, T.M. (1988) Thermoregulation and heat exchange. In: Advances in Insect Physiology, P.D. Evans and V.B. Wigglesworth. pp. 119–146. Elsevier.

[3]

Christiansen, P. (2006) Somatic proportions in genus Megasoma (Scarabaeidae: Dynastinae): Megasoma actaeon. Annals of the Entomological Society of America, 99, 342–351.

[4]

Cloudsley-Thompson, J.L. (1975) Adaptations of arthropoda to arid environments. Annual Review of Entomology, 20, 261–283.

[5]

Darnell, M.Z. and Munguia, P. (2011) Thermoregulation as an alternate function of the sexually dimorphic fiddler crab claw. The American Naturalist, 178, 419–428.

[6]

dos Reis Luzzi, J., Maciel, T.T. and Barbosa, B.C. (2016) Ocorrência de Megasoma gyas gyas (Herbst, 1785) (Coleoptera: Scarabaeidae) em perímetro urbano. Entomotropica, 31, 60–63.

[7]

Dzialowski, E.M. and O'Connor, M.P. (2001) Thermal time constant estimation in warming and cooling ectotherms. Journal of Thermal Biology, 26, 231–245.

[8]

Giacometti, D., Bars-Closel, M., Kohlsdorf, T., de Carvalho, J.E. and Cury de Barros, F. (2022) Environmental temperature predicts resting metabolic rates in tropidurinae lizards. Journal of Experimental Zoology Part A, 337(9–10), 1039–1052.

[9]

Giacometti, D., Yagi, K.T., Abney, C.R., Jung, M.P. and Tattersall, G.J. (2021) Staying warm is not always the norm: behavioural differences in thermoregulation of two snake species. Canadian Journal of Zoology, 99, 974–983.

[10]

Gomes, G., Köberle, R., Von Zuben, C.J. and Andrade, D.V. (2018) Droplet bubbling evaporatively cools a blowfly. Scientific Reports, 8, 5464.

[11]

Heinrich, B. (1993) The Hot-Blooded Insects: Strategies and Mechanisms of Thermoregulation. Harvard University Press.

[12]

Lahondère, C. and Lazzari, C.R. (2012) Mosquitoes cool down during blood feeding to avoid overheating. Current Biology, 22, 40–45.

[13]

May, M.L. (1979) Insect thermoregulation. Annual Review of Entomology, 24, 313–349.

[14]

Morgan, K.R. (1987) Temperature regulation, energy metabolism and mate-searching in rain beetles (Pleocoma spp.), winter-active, endothermic scarabs (Coleoptera). Journal of Experimental Biology, 128, 107–122.

[15]

Palaoro, A.V. and Peixoto, P.E.C. (2022) The hidden links between animal weapons, fighting style, and their effect on contest success: a meta-analysis. Biological Reviews, 97, 1948–1966.

[16]

Pincebourde, S., Sanford, E. and Helmuth, B. (2013) Survival and arm abscission are linked to regional heterothermy in an intertidal sea star. Journal of Experimental Biology, 216, 2183–2191.

[17]

Prange, H.D. (1996) Evaporative cooling in insects. Journal of Insect Physiology, 42, 493–499.

[18]

Rico-Guevara, A. and Hurme, K.J. (2019) Intrasexually selected weapons. Biological Reviews, 94, 60–101.

[19]

Rummel, A.D., Swartz, S.M. and Marsh, R.L. (2019) Warm bodies, cool wings: regional heterothermy in flying bats. Biology Letters, 15, 20190530.

[20]

Shepherd, B.L., Prange, H.D. and Moczek, A.P. (2008) Some like it hot: body and weapon size affect thermoregulation in horned beetles. Journal of Insect Physiology, 54, 604–611.

[21]

Tattersall, G.J., Andrade, D.V. and Abe, A.S. (2009) Heat exchange from the toucan bill reveals a controllable vascular thermal radiator. Science, 325, 468–470.

[22]

Tattersall, G.J., Sinclair, B.J., Withers, P.C., Fields, P.A., Seebacher, F., Cooper, C.E., et al. (2012) Coping with thermal challenges: physiological adaptations to environmental temperatures. In: Comprehensive Physiology (ed. R. Terjung), pp. 2151–2202. Wiley.

[23]

Tsuji, J.S., Kingsolver, J.G. and Watt, W.B. (1986) Thermal physiological ecology of Colias butterflies in flight. Oecologia, 69, 161–170.

[24]

Verdú, J.R., Díaz, A. and Galante, E. (2004) Thermoregulatory strategies in two closely related sympatric Scarabaeus species (Coleoptera: Scarabaeinae). Physiological Entomology, 29, 32–38.

[25]

Vorhees, A.S. and Bradley, T.J. (2012) Differences in critical thermal maxima and mortality across life stages of the mealworm beetle Tenebrio molitor. Journal of Experimental Biology, 215, 2319–2326.

[26]

Wang, L.-Y., Franklin, A.M., Black, J.R. and Stuart-Fox, D. (2021) Heating rates are more strongly influenced by near-infrared than visible reflectance in beetles. Journal of Experimental Biology, 224, jeb242898.

[27]

Windsor, A., Crowe, M. and Bishop, J. (2005) Determination of temperature preference and the role of the enlarged cheliped in thermoregulation in male sand fiddler crabs, Uca pugilator. Journal of Thermal Biology, 30, 37–41.

[28]

Zhang, J., Tan, G., Zhang, M., Jiao, D., Zhu, Y., Wang, S., et al. (2019) Multiscale designs of the chitinous nanocomposite of beetle horn towards an enhanced biomechanical functionality. Journal of the Mechanical Behavior of Biomedical Materials, 91, 278–286.

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2025 The Author(s). Insect Science published by John Wiley & Sons Australia, Ltd on behalf of Institute of Zoology, Chinese Academy of Sciences.

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