Wiktionary:Word of the day/2024/May 22

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summit disease n

(phytopathology) A disease (usually fungal, caused by the species complex Entomophaga grylli) that affects various species of insect, especially grasshoppers, whereby the infected individual typically climbs to the upper parts of a plant, attaches itself there and dies, at which point the infecting agent disperses itself, usually in the form of spores. Today is the International Day for Biological Diversity or World Biodiversity Day, which is recognized by the United Nations to promote awareness of the importance of biodiversity. The Convention on Biological Diversity was adopted on this day in 1992.

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