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The hypothesised anti-contamination role of the gratings against dust and pollen results from theoretical predictions on grating geometry and experiments on synthetic replicas of ommatidia surfaces but has not yet been proven in an animal. Whiteflies are biological test beds for anti-contamination surfaces because they deliberately distribute wax particles extruded from abdominal plates over their entire bodies. The numerous particles protect the animal against water evaporation and radiation, but may severely impair vision. Using scanning electron microscopy (SEM) and CryoSEM, we here show that the cornea of whiteflies exhibits\u2009~\u2009220\u00a0nm wide mesh-like structures forming hexagonal gratings with thin\u2009~\u200940\u00a0nm connecting walls. Quantitative measurements of wax particles on the eye show that the nanostructures reduce particle contamination by more than\u2009~\u200996% compared to other areas of the cuticle. Altogether, our study is the first description of a predicted optimized grating geometry for anti-contamination in an arthropod. The findings serve as evidence of the high effectiveness of nanostructured surfaces for reducing contact area and thus adhesion forces between biological surfaces and contaminating particles.<\/jats:p>","DOI":"10.1038\/s41598-024-69059-2","type":"journal-article","created":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T20:20:35Z","timestamp":1722975635000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Nanoscale mesh acts as anti-adhesive surface against particulate contamination in eyes of whiteflies"],"prefix":"10.1038","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9044-2977","authenticated-orcid":false,"given":"Tomer","family":"Urca","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9511-3651","authenticated-orcid":false,"given":"Fritz-Olaf","family":"Lehmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena V.","family":"Gorb","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9712-7953","authenticated-orcid":false,"given":"Stanislav N.","family":"Gorb","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,8,6]]},"reference":[{"key":"69059_CR1","doi-asserted-by":"publisher","first-page":"385","DOI":"10.1111\/j.1748-1716.1962.tb02515.x","volume":"52","author":"C Bernhard","year":"1962","unstructured":"Bernhard, C. 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