Evidence map›Paper›PMID 34433571›Full record

ArticleScience advances2021

Street lighting has detrimental impacts on local insect populations.

Douglas H Boyes, Darren M Evans, Richard Fox, Mark S Parsons, Michael J O Pocock

Abstract read
In one paragraph

Article in Science advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

41 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  9. The sensory ecology of caterpillars.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Douglas H BoyesUK Centre for Ecology & Hydrology, Wallingford OX10 8BB, UK. info@douglasboyes.co.uk.ORCID https://orcid.org/0000-0003-0191-3920
Darren M EvansSchool of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, UK.ORCID https://orcid.org/0000-0003-4061-6726
Richard FoxButterfly Conservation, Wareham, Dorset BH20 5QP, UK.ORCID https://orcid.org/0000-0001-6992-3522
Mark S ParsonsButterfly Conservation, Wareham, Dorset BH20 5QP, UK.ORCID https://orcid.org/0000-0002-5758-3011
Michael J O PocockUK Centre for Ecology & Hydrology, Wallingford OX10 8BB, UK.ORCID https://orcid.org/0000-0003-4375-0445

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Reported declines in insect populations have sparked global concern, with artificial light at night (ALAN) identified as a potential contributing factor. Despite strong evidence that lighting disrupts a range of insect behaviors, the empirical evidence that ALAN diminishes wild insect abundance is limited. Using a matched-pairs design, we found that street lighting strongly reduced moth caterpillar abundance compared with unlit sites (47% reduction in hedgerows and 33% reduction in grass margins) and affected caterpillar development. A separate experiment in habitats with no history of lighting revealed that ALAN disrupted the feeding behavior of nocturnal caterpillars. Negative impacts were more pronounced under white light-emitting diode (LED) street lights compared to conventional yellow sodium lamps. This indicates that ALAN and the ongoing shift toward white LEDs (i.e., narrow- to broad-spectrum lighting) will have substantial consequences for insect populations and ecosystem processes.

Identifiers

PMID34433571
PMCPMC8386932

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Read underepoch 390

Registered trials

None linked

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.