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April 19, 2026The Journal of Comparative Neurology0 citationsOpen Access

Sex and Morph Variation in Brain Mass and Cell Numbers in Centris pallida Bees

Sex‐ and Male‐Morph‐Specific Variation in Brain Mass and Cell Number Scaling in Solitary Centris pallida (Hymenoptera: Apidae) Bees

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Authors

MBM BarrettRGR. Keating Godfrey

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Overview

Investigates brain size and cell number differences in male and female Centris pallida bees, suggesting varied cognitive abilities.

Key Points

  • This research aims to explore how sex and male morph affect brain mass and cell numbers in Centris pallida bees.
  • Used isotropic fractionation to analyze brain cell numbers.
  • Compared optic lobe and central brain cell numbers between sexes and male morphs.
  • Examined the relationship between brain size and cell density.
  • Female bees had larger brains with more cells and higher cell densities than males.
  • Total brain cell numbers increased with brain size in both sexes.
  • Small-morph males had larger optic lobes but fewer total cells and reduced cell density compared to large-morph males.

Cite This Study

Barrett et al. (2026) studied this question.

synapsesocial.com/papers/69e47282010ef96374d8e81dhttps://doi.org/10.1002/cne.70163
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