: any of a suborder (Anisoptera) of odonate insects that are larger and stouter than damselflies, hold the wings horizontal in repose, and have rectal gills during the naiad stage
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The sudden arrival of a massive swarm of dragonflies caused chaos on a Rhode Island beach.—Kelli Bender, Peoplemag, 29 July 2024 The somersaults seem to be a byproduct of the dragonfly flicking its tail to get rid of excess water.—Byelizabeth Pennisi, science.org, 13 Jan. 2025 Participants will be given a glimpse inside the state’s first facility dedicated to raising freshwater mussels, federally endangered Hine’s emerald dragonflies and other aquatic species, district officials said in a news release.—Michelle Mullins, Chicago Tribune, 9 Jan. 2025 Researchers found that 24 percent of ––including dragonflies, fish, and crustaceans––are vulnerable, endangered, or critically endangered due to multiple environmental threats.—Shannon McDonagh, Newsweek, 8 Jan. 2025 See All Example Sentences for dragonfly
: any of a group of large harmless insects that have four long wings held horizontal and sticking out instead of folded to the side next to the body when at rest and that feed especially on flies, gnats, and mosquitoes compare damselfly
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