Around 100 trillion insects fly in the skies above the USA on a summer's day, according to estimates by researchers from the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) and ...

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Around 100 trillion insects fly in the skies above the USA on a summer's day, according to estimates by researchers from the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) and ...

"Text references and a list of the more important papers on the mechanism of insect flight": p. 420-421. Extract from: Annual report of the Board of Regents of the ...