ArticlePloS one2021
Continuous monitoring of aerial density and circadian rhythms of flying insects in a semi-urban environment.
Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed, 16 citations in OpenAlex.
- Advancing insect monitoring: analysis of mel-frequency cepstral coefficients from optical signals for body orientation estimation.Applied physics. B, Lasers and optics · 2026Article
- Lidar reveals distinct insect daily activity and diversity between habitats.Scientific reports · 2025Article
- Stratification of insect diversity and daily activity patterns in the West African virgin forest Taï assessed by entomological Lidar.Scientific reports · 2025Article
- Method for UAV propeller characterization using frequency analysis of Lidar signals.Applied physics. B, Lasers and optics · 2025Article
- Article
- Continental-scale patterns in diel flight timing of high-altitude migratory insects.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Temperature Dependency of Insect's Wingbeat Frequencies: An Empirical Approach to Temperature Correction.Insects · 2024Article
- Discrimination of Hover Fly Species and Sexes by Wing Interference Signals.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Monitoring the abundance of flying insects and atmospheric conditions during a 9-month campaign using an entomological optical sensor.Scientific reports · 2023Article
- Remote Nanoscopy with Infrared Elastic Hyperspectral Lidar.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Insect biomass density: measurement of seasonal and daily variations using an entomological optical sensor.Applied physics. B, Lasers and optics · 2023Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Although small in size, insects are a quintessential part of terrestrial ecosystems due to their large number and diversity. While captured insects can be thoroughly studied in laboratory conditions, their population dynamics and abundance in the wild remain largely unknown due to the lack of accurate methodologies to count them. Here, we present the results of a field experiment where the activity of insects has been monitored continuously over 3 months using an entomological stand-off optical sensor (ESOS). Because its near-infrared laser is imperceptible to insects, the instrument provides an unbiased and absolute measurement of the aerial density (flying insect/m3) with a temporal resolution down to the minute. Multiple clusters of insects are differentiated based on their wingbeat frequency and ratios between wing and body optical cross-sections. The collected data allowed for the study of the circadian rhythm and daily activities as well as the aerial density dynamic over the whole campaign for each cluster individually. These measurements have been compared with traps for validation of this new methodology. We believe that this new type of data can unlock many of the current limitations in the collection of entomological data, especially when studying the population dynamics of insects with large impacts on our society, such as pollinators or vectors of infectious diseases.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.