ArticleProceedings. Biological sciences2022
Allometric scaling of a superposition eye optimizes sensitivity and acuity in large and small hawkmoths.
Article in Proceedings. Biological sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 citing papers in PubMed, 8 citations in OpenAlex.
- Pupil dynamics reveal the tuning of tortricid moths to diel activity.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2026Article
- Article
- Allometric scaling of a superposition eye optimizes sensitivity and acuity in large and small hawkmoths.Proceedings. Biological sciences · 2022Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
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Abstract
Animals vary widely in body size within and across species. This has consequences for the function of organs and body parts in both large and small individuals. How these scale, in relation to body size, reveals evolutionary investment strategies, often resulting in trade-offs between functions. Eyes exemplify these trade-offs, as they are limited by their absolute size in two key performance features: sensitivity and spatial acuity. Due to their size polymorphism, insect compound eyes are ideal models for studying the allometric scaling of eye performance. Previous work on apposition compound eyes revealed that allometric scaling led to poorer spatial resolution and visual sensitivity in small individuals, across a range of insect species. Here, we used X-ray microtomography to investigate allometric scaling in superposition compound eyes-the second most common eye type in insects-for the first time. Our results reveal a novel strategy to cope with the trade-off between sensitivity and spatial acuity, as we show that the eyes of the hummingbird hawkmoth retain an optimal balance between these performance measures across all body sizes.
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