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Stingless bees and their adaptations to extreme environments.

Michael Hrncir1, Camila Maia-Silva2, Vinício Heidy da Silva Teixeira-Souza2

  • 1Departamento de Biociências, Universidade Federal Rural do Semi-Árido, Avenida Francisco Mota, 572, Mossoró, RN, 59625-900, Brazil. michael@ufersa.edu.br.

Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
|March 24, 2019
PubMed
Summary

Melipona subnitida, a stingless bee, thrives in Brazilian dry forests by maintaining perennial colonies through resourcefulness. This bee species efficiently recovers from drought by selectively foraging and increasing brood production when resources become available.

Keywords:
Brood productionCaatingaColony aestivationForagingMelipona subnitida

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Area of Science:

  • Ecology
  • Zoology
  • Entomology

Background:

  • Tropical dry forests cover nearly half of the Earth's terrestrial ecosystems.
  • These forests experience high temperatures and irregular, short rainy seasons, leading to prolonged water deficits.
  • Limited and unpredictable floral resources pose challenges for perennial colonies of highly eusocial bees.

Purpose of the Study:

  • To review current knowledge on adaptations of Melipona subnitida to extreme tropical dry forest environments.
  • To understand the resilience mechanisms of this stingless bee species during extended dearth periods.

Main Methods:

  • Review of existing literature on Melipona subnitida.
  • Analysis of adaptations related to colony maintenance and resource utilization in arid conditions.

Main Results:

  • Melipona subnitida exhibits remarkable resilience, maintaining perennial colonies despite extended drought periods.
  • Colonies can re-establish from small worker populations by quickly responding to precipitation-driven resource availability.
  • Selective foraging on high-profit resources and rapid up-regulation of brood production are key survival strategies.

Conclusions:

  • The success of Melipona subnitida in tropical dry forests is attributed to its adaptive strategies for colony maintenance during resource scarcity, not solely heat resistance.
  • This species demonstrates a unique ability to recover and thrive in challenging, resource-limited ecosystems.