ArticleScientific reports2020
Constant neuropilar ratio in the insect brain.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed.
- Sexual dimorphism and morphological integration in the orchid bee brain.Scientific reports · 2025Article
- Miniaturization does not change conserved spider anatomy, a case study on spider Rayforstia (Araneae: Anapidae).Scientific reports · 2023Article
- Extremely small wasps independently lost the nuclei in the brain neurons of at least two lineages.Scientific reports · 2023Article
- Micro-CT and deep learning: Modern techniques and applications in insect morphology and neuroscience.Frontiers in insect science · 2023Review
- Structure of the Brain of the Smallest Coleoptera.Doklady. Biochemistry and biophysics · 2022Article
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2 authors.
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Abstract
Revealing scaling rules is necessary for understanding the morphology, physiology and evolution of living systems. Studies of animal brains have revealed both general patterns, such as Haller's rule, and patterns specific for certain animal taxa. However, large-scale studies aimed at studying the ratio of the entire neuropil and the cell body rind in the insect brain have never been performed. Here we performed morphometric study of the adult brain in 37 insect species of 26 families and ten orders, ranging in volume from the smallest to the largest by a factor of more than 4,000,000, and show that all studied insects display a similar ratio of the volume of the neuropil to the cell body rind, 3:2. Allometric analysis for all insects shows that the ratio of the volume of the neuropil to the volume of the brain changes strictly isometrically. Analyses within particular taxa, size groups, and metamorphosis types also reveal no significant differences in the relative volume of the neuropil; isometry is observed in all cases. Thus, we establish a new scaling rule, according to which the relative volume of the entire neuropil in insect brain averages 60% and remains constant.
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