Male mealworm beetles increase resting metabolic rate under terminal investment

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Male mealworm beetles increase resting metabolic rate under terminal investment.

Harmful parasite infestation can cause energetically costly behavioural and immunological responses, with the potential to reduce host fitness and survival. It has been hypothesized that the energetic costs of infection cause resting metabolic rate (RMR) to increase. Furthermore, under terminal investment theory, individuals exposed to pathogens should allocate resources to current reproduction...

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Modulation of sexual signalling by immune challenged male mealworm beetles (Tenebrio molitor, L.): evidence for terminal investment and dishonesty.

Organisms partition resources into life-history traits in order to maximise fitness over their expected lifespan. For the males of many species fitness is determined by qualitative and quantitative aspects of costly sexual signals: The notion that epigamic traits are costly forms the cornerstone of those theories that propose parasites drive sexual selection. Consequently studies examining this...

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ژورنال

عنوان ژورنال: Journal of Evolutionary Biology

سال: 2014

ISSN: 1010-061X

DOI: 10.1111/jeb.12318